Licensed Septic Companies in Lane County, OR
91 septic companies serve Lane County, Oregon, and 88 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 Lane County
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Installation cost · Pumping cost
91 septic companies in Lane County
Eugene 25
-
B&T Excavation LLC
82616 Marlow Rd, Eugene, OR 97405
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4037 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Braun Excavating Inc
PO Box 967, Eugene, OR 97487
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #103 (Oregon Department of Environmental Quality, verify)
From their website: Installation · Repair · Drain field
-
Cameren Hencley
1826 Taney St., Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3494 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
CGH Enterprises LLC
34728 Seavey Loop Road, Eugene, OR 97405
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3869 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Delta Operations
4678 Isabelle St, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1033 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Edward Litten
PO Box 40995, Eugene, OR 97404
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3997 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Emerald Excavating
4250 W 5th Ave, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4004 (Oregon Department of Environmental Quality, verify)
From their website: Installation
-
Emerald Excavating Inc
4250 W 5th Ave, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4015 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Eric Eason
2558 Riverwalk Loop, Eugene, OR 97401
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3451 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Gentile Construction
PO Box 5815, Eugene, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3864 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
H & J Construction
29610 Awbrey lane, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4078 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Luke Rathburn
85970 Playway Rd, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4045 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4044 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
McKenzie Excavating, Inc
84920 Territorial Hwy, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3592 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3591 (Oregon Department of Environmental Quality, verify)
From their website: Installation · Perc testing
-
Miles Excavation LLC
1496 McCarty Way, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3873 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Nathaniel Litten
PO Box 40995, Eugene, OR 97404
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3998 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Riverbend Construction
466 Emily Ln, Eugene, OR 97404
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1180 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Royal Flush Environmental
4325 Commerce St. Ste. 111-406, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3442 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3648 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3445 (Oregon Department of Environmental Quality, verify)
- +3 more credentials
Per state license: Installation
-
Royal Flush Environmental Services
2640 State Hwy 99 N, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1252 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation · Inspection · Repair · Drain field
-
S & M Rock and Loam Inc
34052 Seavey Loop, Eugene, OR 97405
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3714 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Thompson Septic
90557 Link Rd, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4076 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Track Town Plumbing & Rooter
85155 Peaceful Valley Rd, Eugene, OR 97405
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3906 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Vaughn Construction LLC
PO Box 21636, Eugene, OR 97402
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3583 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Above All Sanitation, Inc
84572 Territorial Hwy, Eugene, OR 97405
From their website: Grease traps
-
Arrow Septic Services
33977 Hampton Rd, Eugene, OR 97405
From their website: Pumping · Installation · Inspection · Repair · Drain field
-
Bennett's Drain Savers - Septic & Rooter Service
2140 Primrose St, Eugene, OR 97402
From their website: Pumping · Installation
Springfield 15
-
ABBA Edge Enterprises
1515 West Quinalt St., Springfield, OR 97477
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3505 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Best Septic
3555 Marcola Rd, Springfield, OR 97477
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3977 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Best Septic Tank Pumping
3555 Marcola Rd, Springfield, OR 97477
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #917 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation · Inspection · Repair · Drain field · Risers & lids · Grease traps
-
C & R Plumbing
3780 Kathryn Ave, Springfield, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3739 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Colby Henton
86843 Mahogany Ln, Springfield, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3594 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
D & D Landworks
2741 33rd St, Springfield, OR 97477
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4058 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Greensun's Inc
37320 Parsons Creek Rd, Springfield, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #533 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Hedlund Construction
PO Box 71725, Springfield, OR 97475
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1150 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Innovative Underground
1863 Pioneer Pkwy #329, Springfield, OR 97477
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1056 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4057 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
JM Haugland Contracting LLC
1470 B St., Springfield, OR 97477
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3919 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Langeliers Studio
669 53rd St., Springfield, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3849 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Ridgeline Excavation LLC
92852 Regal Ln, Springfield, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4029 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Stapleton Timber & Excavation
3505 Commercial Ave, Springfield, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #915 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Suulutaaq Inc.
7273 Elderberry St, Springfield, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3377 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
T & M Plumbing Inc
87125 Cedar Flat Rd, Springfield, OR 97478
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3497 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Florence 9
-
Bob Shirley
4335 Spruce St, Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3951 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Brown Trout Pumping LLC
89510 Hwy 101 Space 5, Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3636 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Chuck's Plumbing, Inc
PO Box 2929, Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #120 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
John's Construction & Painting
6307 Skunk Hollow Rd, Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1054 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Leisure Excavating, LLC
4525 Hwy 101, Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #421 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Ray Wells, Inc
PO Box 3467, Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #90 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Tealx LLC
83338 S Cove Dr., Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3695 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Tip Top Enterprises, LLC
5516 N Fork Siuslaw Rd, Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3603 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Wally's Septic Service
PO Box 237, Florence, OR 97439
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4009 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation · Inspection · Risers & lids
Cottage Grove 7
-
Arliss Jensen
740 Eastview Dr., Cottage Grove, OR 97424
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3642 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
E.R. Pipeline Services, LLC
10 Van Buren Ave., Cottage Grove, OR 97424
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #938 (Oregon Department of Environmental Quality, verify)
From their website: Installation · Inspection · Repair · Drain field
-
Eugene Dirt Works
635 Taylor Ave, Cottage Grove, OR 97424
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4052 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Hendrickson Well Drilling, Inc
77483 S 6th St, Cottage Grove, OR 97424
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #32 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Hidden Gem Septic LLC
140 N 19th St, Cottage Grove, OR 97424
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1083 (Oregon Department of Environmental Quality, verify)
From their website: Risers & lids Per state license: Installation
-
South Valley Plumbing Inc
PO Box 1254, Cottage Grove, OR 97424
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3548 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Westco Contracting Services LLC
80321 Sears Rd, Cottage Grove, OR 97424
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3436 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3438 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Junction City 7
-
Dan Wilson Construction
91736 Greenhill Rd, Junction City, OR 97448
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #522 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Dan Wingard
94996 Oaklea Rd, Junction City, OR 97448
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #905 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Elevated Excavation
94996 Oaklea Dr., Junction City, OR 97448
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3692 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Hartsell Construction
91967 Greenhill Rd, Junction City, OR 97488
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1205 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Koon General Contracting LLC
29700 Wickwire Ln, Junction City, OR 97448
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #854 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Oregon Septic
PO Box 36, Junction City, OR 97448
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3939 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3948 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Valley Contracting, Inc
PO Box 324, Junction City, OR 97448
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1171 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #850 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Creswell 5
-
Bear Mountain Land Management LLC
82074 Bear Creek Rd, Creswell, OR 97426
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3484 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Boulder Creek Excavation LLC
PO Box 1076, Creswell, OR 97426
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #570 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Jeffrey Ganieany
33581 East River Dr., Creswell, OR 97426
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3959 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Nathan Marple Excavation
PO Box 1310, Creswell, OR 97426
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #609 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Russell's Excavation & Septic Pros LLC
PO Box 1060, Creswell, OR 97426
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #608 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Veneta 5
-
Above All Sanitation
PO Box 1209, Veneta, OR 97487
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3401 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4019 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
All Dirt, Inc.
25895 Garith Ln, Veneta, OR 97487
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #780 (Oregon Department of Environmental Quality, verify)
From their website: Pumping · Installation · Drain field · Perc testing
-
G2 Enterpises LLC
PO Box 1542, Veneta, OR 97487
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #741 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Norse Earthworks LLC
87788 8th St, Veneta, OR 97487
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3715 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Ryan Black Construction LLC
88385 Oak Knoll Rd, Veneta, OR 97487
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1081 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Pleasant Hill 4
-
Casey Jones Well Drilling Inc
PO Box 187, Pleasant Hill, OR 97455
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4063 (Oregon Department of Environmental Quality, verify)
From their website: Installation
-
Emmanuel Siteworks LLC
PO Box 553, Pleasant Hill, OR 97455
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #640 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Matthew Woodward Plumbing
37028 Hwy 58, Pleasant Hill, OR 97455
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3707 (Oregon Department of Environmental Quality, verify)
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3708 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Portable Rock Production
PO Box 465, Pleasant Hill, OR 97455
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #855 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Cheshire 2
-
Mojo Construction LLC
22717 Highway 36, Cheshire, OR 97419
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3846 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
Pipe Dreams
25900 Hwy 36, Cheshire, OR 97419
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3512 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Vida 2
-
Beauty and Beyond
PO Box 212, Vida, OR 97488
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4046 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
-
BioBuilders
51467 Blue River Dr, Vida, OR 97488
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3425 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Alvadore 1
-
Benjamin M Smith Construction LLC
PO Box 39, Alvadore, OR 97409
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1147 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Blachley 1
-
Little Lake Logging
18859 Little Lake Rd, Blachley, OR 97412
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3496 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Blue River 1
-
Sasquatch Services LLC
55215 McKenzie River Dr., Blue River, OR 97413
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3412 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Deadwood 1
-
Siuslaw Salvage & Sales
90594 Deadwood Crk Rd, Deadwood, OR 97430
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3588 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Dexter 1
-
Mt. Zion Excavation
82126 Mt. Zion Dr, Dexter, OR 97431
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #4091 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Elmira 1
-
Duval Land Management And Construction LLC
PO Box 429, Elmira, OR 97437
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3522 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Leaburg 1
-
Joel Zeni
45465 McKenzie Hwy, Leaburg, OR 97489
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #3400 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Mapleton 1
-
J.L. Walker & Sons, Inc
PO Box 306, Mapleton, OR 97453
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #390 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Marcola 1
-
DJ Miller Construction, Inc
PO Box 760, Marcola, OR 97454
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #852 (Oregon Department of Environmental Quality, verify)
Per state license: Installation
Oregon City 1
-
Lil Stinky Environmental Service
19631 Kolar Dr., Oregon City, OR 97405
- Licensed: Oregon DEQ Certified Onsite (Septic) Installer · #1245 (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 Lane 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 Lane County: common questions
How many licensed septic companies are in Lane County, OR?
91 septic companies serve Lane County, Oregon, and 88 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 Lane County?
6 of the 91 listings in Lane 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 Lane County?
90 listings in Lane 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.