Licensed Septic Companies in Clackamas County, OR
122 septic companies serve Clackamas County, Oregon, and 116 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026).
Septic services in Clackamas County
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Installation cost · Pumping cost
122 septic companies in Clackamas County
Oregon City 17
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Advanced Home Services LLC
316 Barker Ave, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3865 (Oregon Department of Environmental Quality, verify)
From their website: Installation · Drain field
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Alpha & Omega Landscaping Inc
15248 S Carus Rd, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3490 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
B & R Precision Excavation LLC
21163 S Fischers Mill Rd., Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1268 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Brett Fay
19312 Towercrest Dr., Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4036 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Coffman Excavation
13014 Clackamas River Dr, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3909 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Coffman Excavation Inc.
13014 Clackamas River Dr, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #119 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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CR Excavating LLC
17709 S Palmer Rd., Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3949 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Dark Horse Construction LLC
PO Box 1923, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #507 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Honest Drain Solutions LLC
23325 S Ward Ct, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #848 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Drain field · Risers & lids Per state license: Installation
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Huskey Excavating Inc.
19397 S. South End Rd, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3816 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Lovaz Excavating LLC
14650 S. Quail Grove Circle, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3478 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Lses
19631 Kolar Dr., Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1145 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #901 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3402 (Oregon Department of Environmental Quality, verify)
- +1 more credential
Per state license: Installation
-
Mayer Construction Inc
101 Barker Rd, Oregon City, OR 97035
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3624 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
NW Home Services
13871 Caufield Rd., Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1079 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Oregon Waste Water Services Inc
PO Box 65, Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #505 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Timco Excavation & Construction
13438 S Carus Rd., Oregon City, OR 97045
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3575 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Pinkies Septic
19312 S Towercrest Dr, Oregon City, OR 97045
From their website: Pumping · Installation · Inspection · Repair · Drain field · Risers & lids
Sandy 16
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Ben Brill
20688 SE Greenleaf Dr, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3885 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Dirt Services
37790 SE Olsen St, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1249 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Elkhorn Construction LLC
41727 SE Pagh Rd, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #904 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Infinity Excavating Inc.
PO Box 248, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3832 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Mark Evens Construction Inc.
PO Box 1569, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3976 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Mt Hood Septic
45315 SE Wildcat Mountain Dr, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #777 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Mt. Hood Septic
35761 SE Hauglum Rd, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #892 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #585 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Pinnacle Excavation
19401 SE Chambers Rd, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3955 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
PMEE International, LLC.
18800 SE Langensand Rd, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3930 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Sandy Septic
45315 SE Wildcat Mtn Dr., Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1194 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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Scott Family Holdings
38954 Proctor Blvd #110, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3878 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Scott Peterson Excavating LLC
PO Box 1647, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #378 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Titan Excavation & Construction LLC
50555 SE Baty Rd., Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3417 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Trimble Commercial Contractors Inc.
PO Box 10, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3761 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Trimble Commercial Contractors Inc.
PO Box 10, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3775 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Turin Earthworks
41387 SE Bacon Creek Lane, Sandy, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3914 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Boring 14
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Alex Cage
36320 SE Dee Zee Ct., Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3888 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Andy Collman
14601 SE 312th Dr., Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3680 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Bruce Johnson Construction LLC
14330 SE Orient Dr, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #396 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Cascade Septic Tank
15150 SE 262nd Ave, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #709 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Cascade Septic Tank Service
15150 SE 262nd Ave, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #612 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
G & G Building LLC
17402 SE Decker Rd, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3780 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
KRC Construction, Inc.
PO Box 273, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #50 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Leroy Wallace
38101 SE Lusted Rd, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1101 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
PDX Excavating LLC
11970 SE Revenue Rd, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3985 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Rod Collman Construction
13515 SE Richey Rd, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #634 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Scout Septic Grease & Drain
15535 SE 287th Ave, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3356 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Scout Septic, Grease & Drain
15535 SE 287th Ave, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1152 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #995 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
TJS Construction Co.
37071 SE Kelso Rd, Boring, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1154 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Scout Septic, Grease & Drain
15535 SE 287th Ave, Boring, OR 97009
From their website: Pumping · Installation · Inspection · Repair · Drain field · Grease traps
Molalla 14
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All United Plumbing & Construction LLC
11462 S Hwy 211, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3916 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Amalgam Industries LLC
PO Box 434, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3903 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
American On Site
31881 S Hwy 213, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #940 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #56 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #887 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
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American On-site
31881 S Hwy 213, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3347 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1234 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Anglers Septic & Excavation Services
36329 S Sawtell, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4032 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3513 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Bennett Septic Service LLC
PO Box 551, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1219 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1218 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Circle H Excavating, Inc.
32849 S Mathias Rd., Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3992 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Dilworth & Sons LLC
19493 S Ramsby Rd, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3536 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Erin Sharp Inc.
PO Box 453, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #910 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Legacy Valley LLC
131 Shirley St., Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1138 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Pacific Northwest Construction
19780 S Redhouse Rd, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #972 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #973 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Pacific NW Development & Construction
PO Box 1127, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #937 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Site Pro LLC
30392 S. Molalla Ave, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #966 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
TLC Excavating
PO Box 962, Molalla, OR 97038
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #657 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Canby 9
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A-Affordable Septic Service
PO Box 818, Canby, OR 97013
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #194 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Aasen Excavating LLC
PO Box 489, Canby, OR 97013
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3657 (Oregon Department of Environmental Quality, verify)
From their website: Installation · Repair
-
Canby Excavating
PO Box 848, Canby, OR 97013
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3601 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3602 (Oregon Department of Environmental Quality, verify)
From their website: Installation · Repair
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Chris Cory Excavating LLC
7925 S Zimmerman Rd, Canby, OR 90713
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3857 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #921 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3850 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
DLG Construction LLC
PO Box 973, Canby, OR 97013
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #978 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
KL Excavation
7972 S. Three Gait Ln., Canby, OR 97013
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3980 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Lodoen Excavating LLC
643 N Locust St., Canby, OR 97013
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4095 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Roth Zachry Heating Inc.
PO Box 1265, Canby, OR 97013
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3454 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Lil' Stinky Septic Service
1793 SE 1st Ave, Canby, OR 97013
From their website: Pumping · Installation · Inspection · Drain field
Estacada 8
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Bever Homes
21882 S Clear Creek Rd, Estacada, OR 97023
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1064 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Hayes Excavation
PO Box 327, Estacada, OR 97023
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1103 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
JRD Excavation LLC
34007 SE Regan Hill Rd, Estacada, OR 97023
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3353 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Kelly Kowalski
35892 SE Coupland Rd, Estacada, OR 97023
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #655 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Killary Construction LLC
205 SW 2nd Ave #1758, Estacada, OR 97023
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3357 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Marc Excavation Company
33900 SE Coupland Rd, Estacada, OR 97023
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4074 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Platt Excavation, Inc
PO Box 2216, Estacada, OR 97023
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #832 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Rob Davidson Excavating
PO Box 2232, Estacada, OR 97023
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #773 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Eagle Creek 7
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Goodman Sanitation
PO Box 209, Eagle Creek, OR 97022
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1178 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Goodman Sanitation
PO Box 209, Eagle Creek, OR 97022
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1192 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Speedy Septic
PO Box 297, Eagle Creek, OR 97022
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3658 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Speedy Septic
PO Box 297, Eagle Creek, OR 97022
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3703 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3696 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3698 (Oregon Department of Environmental Quality, verify)
- +1 more credential
Per state license: Installation
-
Speedy Septic
23020 Se Eagle Creek Rd, Eagle Creek, OR 97022
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3990 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Speedy Septic
PO Box 297, Eagle Creek, OR 97022
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3675 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Speedy Septic
23020 SE Eagle Creek Rd, Eagle Creek, OR 97022
From their website: Pumping · Installation · Inspection · Repair · Drain field · Risers & lids · Grease traps
Colton 5
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Andrew Nolan
24286 S. Wilcken Rd, Colton, OR 97017
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3828 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Crestwell Construction
PO Box 517, Colton, OR 97017
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #632 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
JR Kimsey Excavation LLC
PO Box 369, Colton, OR 97017
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1036 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Lexi Gunter
31671 S Walton Rd, Colton, OR 97017
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3593 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Ralston Excavating Inc
PO Box 518, Colton, OR 97017
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #695 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Damascus 5
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B & G Excavation & Plumbing
17835 SE Foster Rd, Damascus, OR 97089
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #798 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
E & A Systems LLC
26775 SE Hwy 212, Damascus, OR 97009
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1220 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #747 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Lioncrest Excavation LLC
20740 SE Curtis Rd, Damascus, OR 97089
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3376 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
PNW Carpentry
23101 SW Hwy 212, Damascus, OR 97089
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3928 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Stolz Construction Corp
25248 SE Sunshine Valley Rd., Damascus, OR 97089
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1230 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Milwaukie 4
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Ben Grubb
14333 SE Haze Ct., Milwaukie, OR 97267
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3991 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
CB Construction LLC
10512 SE Stanley Ave, Milwaukie, OR 97222
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3349 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Colin Burns
5142 SE Oetkin Way, Milwaukie, OR 97267
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3348 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Ryan Meyer
5020 SE Aldercrest Rd, Milwaukie, OR 97222
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3646 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Mulino 4
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Green Mountain Excavation
29274 S. Salo Rd, Mulino, OR 97042
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3822 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Jim Hicks Excavating, Inc
PO Box 697, Mulino, OR 97013
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #590 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation · Repair · Drain field
-
Jw6 LLC
14550 S Griffith Ln., Mulino, OR 97042
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4020 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Price Excavation and Rentals LLC
13106 S Glenn Dr, Mulino, OR 97042
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3811 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Wilsonville 4
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Cushing Concepts LLC
10837 SW Carinthia Circle, Wilsonville, OR 97070
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3567 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Flying H Construction Co
PO Box 2533, Wilsonville, OR 97070
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #171 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Kizer Excavating Co.
PO Box 1097, Wilsonville, OR 97070
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3366 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Pacific NW Excavating LLC
PO Box 61, Wilsonville, OR 97070
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #946 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Welches 3
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Blaesing Excavation LLC
68845 E Fairway, Welches, OR 97067
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3635 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
David Linn Trucking and Excavation
PO Box 316, Welches, OR 97011
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #717 (Oregon Department of Environmental Quality, verify)
From their website: Installation
-
Emerald Creek Homes Inc
PO Box 291, Welches, OR 97067
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #769 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Beavercreek 2
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Andrew Maughan
17660 S Steiner Rd, Beavercreek, OR 97004
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3539 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Robert Guido DiNino
21796 S Lower Highland Rd, Beavercreek, OR 97004
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #906 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Clackamas 2
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Oregon Underground
PO Box 777, Clackamas, OR 97015
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3812 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Lil' Stinky Environmental Service
Clackamas, OR 97015, Clackamas, OR 97015
From their website: Pumping · Installation · Inspection · Drain field · Perc testing
Lake Oswego 2
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Bella Italia
6236 SW Wayzata Ct, Lake Oswego, OR 97035
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4080 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Joseph King
16365 Boones Ferry Rd, Lake Oswego, OR 97035
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3872 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Brightwood 1
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All-Ways Excavating
PO Box 450, Brightwood, OR 97011
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #527 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Government Camp 1
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Alpine Industries
PO Box 10, Government Camp, OR 97028
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #783 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Portland 1
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EMS - Environmental Consultants
4080 SE International Way b112, Portland, OR 97222
From their website: Repair · Drain field
Rhododendron 1
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Steven Leben
67171 E Barlow Trail Rd, Rhododendron, OR 97049
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3360 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Sand 1
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Tri County Construction
PO Box 1266, Sand, OR 97055
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #884 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
West Linn 1
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Petras Homes LLC
3673 SW Homesteader Rd., West Linn, OR 97068
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1149 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
No listings match those filters.
Septic licensing in Oregon
Oregon licenses sewage disposal businesses and certifies the installers who work for them. The Oregon DEQ, Sewage Disposal Service licensing issues these credentials: Sewage disposal service license (installer, pumper); DEQ installer certification.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Clackamas County and whether the permit fee is in their quote.
Oregon septic licensing: agencies, license types and how to check a license →
Septic companies in Clackamas County: common questions
How many licensed septic companies are in Clackamas County, OR?
122 septic companies serve Clackamas County, Oregon, and 116 of them hold a Oregon septic license or certification matched to the Oregon Department of Environmental Quality list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in Oregon?
Oregon licenses sewage disposal businesses and certifies the installers who work for them. The licensing body is the Oregon DEQ, Sewage Disposal Service licensing.
Which companies pump septic tanks in Clackamas County?
7 of the 122 listings in Clackamas County offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.
Which companies install septic systems in Clackamas County?
121 listings in Clackamas County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Oregon license.
How do I check a septic contractor's license in Oregon?
Use the Oregon DEQ, Sewage Disposal Service licensing's lookup (https://www.oregon.gov/deq/permits/Pages/YDO-Public-Records.aspx) and search the contractor's name or license number. Our guide to checking a septic license walks through it.