Licensed Septic Companies in Caldwell, ID
29 septic companies serve Caldwell, Idaho, and 25 of them hold a Idaho septic license or certification matched to the Idaho Public Health Districts / Idaho DEQ list (data as of October 2026).
Septic services in Caldwell
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Aerobic septic systems · Installation cost · Pumping cost
29 septic companies in Caldwell
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Advanced Septic - Joshua Barks
18378 Sand Hollow Rd, Caldwell, ID 18378 · Canyon County
- Licensed: Idaho Permitted Septic Standard/Basic Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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American Rooter & Drain
1005 Commercial Way, Caldwell, ID 83605 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Basalt Blackwater & Excavation
704 E Albany St, Caldwell, ID 83605 · Canyon County
- Licensed: Idaho BioMicrobics certified ETPS service provider (advanced treatment / aerobic systems) (Idaho Public Health Districts / Idaho DEQ, verify)
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
- Licensed: Idaho Permitted Septic Septic Pumper (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Pumping · Installation · Aerobic systems
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Canyon Septic Services LLC
16152 Lonkey Ln, Caldwell, ID 83607 · Canyon County
- Licensed: Idaho BioMicrobics certified ETPS service provider (advanced treatment / aerobic systems) (Idaho Public Health Districts / Idaho DEQ, verify)
- Licensed: Idaho Lowridge certified ETPS service provider (advanced treatment / aerobic systems) (Idaho Public Health Districts / Idaho DEQ, verify)
- Licensed: Idaho Orenco certified ETPS service provider (advanced treatment / aerobic systems) (Idaho Public Health Districts / Idaho DEQ, verify)
- +2 more credentials
From their website: Pumping · Inspection · Drain field · Aerobic systems · Risers & lids Per state license: Installation
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Dan'S Construction
17597 Deer Flat Rd, Caldwell, ID 83607 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Dixie River Construction LLC
22278 Dixie River Road, Caldwell, ID 22278 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Empey Builders
1508 Fairview Ave, Caldwell, ID 83605 · Canyon County
- Licensed: Idaho Permitted Septic Standard/Basic Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Everlasting Concrete Products
224 Summer St, Caldwell, ID 83605 · Canyon County
- Licensed: Idaho Norweco certified ETPS service provider (advanced treatment / aerobic systems) (Idaho Public Health Districts / Idaho DEQ, verify)
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation · Aerobic systems
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H Leigh Excavating LLC
15280 Riverside Rd, Caldwell, ID 15280 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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High Valley Construction
13648 HIghway 44, Caldwell, ID 13648 · Canyon County
- Licensed: Idaho Permitted Septic Standard/Basic Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Jbo Homes LLC
25732 Hop Rd, Caldwell, ID 83607 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Jps Construction LLC
19195 Cathie Drive, Caldwell, ID 83607 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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King Concrete Construction, LLC
2424 Chicago St, Caldwell, ID 83605 · Canyon County
- Licensed: Idaho Permitted Septic Standard/Basic Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Km Construction LLC
14141 Channel Rd, Caldwell, ID 83607 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Landmark Of Idaho LLC
19735 Middleton Rd, Caldwell, ID 19735 · Canyon County
- Licensed: Idaho Permitted Septic Standard/Basic Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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LMC Laurenson Management & Construction LLC
18532 Tranquil Pl, Caldwell, ID 18532 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Mobile Home Locators, Inc.
5600 Cleveland Blv, Caldwell, ID 83607 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Paradise Excavation And Construction Inc.
920 Laurel St, Caldwell, ID 83605 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Prime Plumbing LLC
1020 E Homedale Rd, Caldwell, ID 83607 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
- Licensed: Idaho Permitted Septic Septic Pumper (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Pumping · Installation
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Spiers Construction
22340 Racetrack Drive, Caldwell, ID 83607 · Ada County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Steady Earthworks, LLC
19801 Wilderness Dr, Caldwell, ID 83605 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Ultimate Excavation LLC
12745 Ashfield Street, Caldwell, ID 12745 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Valley Compact Demolition Excavation LLC
804 Wash Street, Caldwell, ID 83605 · Canyon County
- Licensed: Idaho Permitted Septic Standard/Basic Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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Welch Excavating, Inc.
18750 Market Rd, Caldwell, ID 83607 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
- Licensed: Idaho Permitted Septic Septic Pumper (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Pumping · Installation
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Z & H Homes
25998 Iverson Rd, Caldwell, ID 25998 · Canyon County
- Licensed: Idaho Permitted Septic Complex Installer (Idaho Public Health Districts / Idaho DEQ, verify)
Per state license: Installation
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American Septic & Sewer
1005 Commercial Way Ste B, Caldwell, ID 83605 · Canyon County
From their website: Pumping · Installation · Inspection · Repair · Drain field · Risers & lids · Perc testing
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Express Septic & Drain Cleaning
24902 Vavold Way, Caldwell, ID 83607 · Canyon County
From their website: Pumping · Installation · Inspection · Repair · Drain field · Risers & lids
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Idaho Septic Solutions
1020 E Homedale Rd, Caldwell, ID 83607 · Canyon County
From their website: Pumping · Installation · Inspection · Repair
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Mike's Septic & Drain
5009 Aviation Way, Caldwell, ID 83605 · Canyon County
From their website: Pumping · Inspection · Repair · Drain field · Risers & lids
No listings match those filters.
Septic licensing in Idaho
Idaho installers and pumpers hold permits from the public health districts. Idaho Code 9-348 prohibits using the state's lists as a mailing or phone list. The Idaho's seven public health districts, under Idaho DEQ rules issues these credentials: Standard/basic installer registration permit; Complex installer registration permit; Septic pumper permit.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Caldwell and whether the permit fee is in their quote.
Idaho septic licensing: agencies, license types and how to check a license →
Septic companies in Caldwell: common questions
How many licensed septic companies are in Caldwell, ID?
29 septic companies serve Caldwell, Idaho, and 25 of them hold a Idaho septic license or certification matched to the Idaho Public Health Districts / Idaho DEQ 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 Idaho?
Idaho installers and pumpers hold permits from the public health districts. Idaho Code 9-348 prohibits using the state's lists as a mailing or phone list. The licensing body is the Idaho's seven public health districts, under Idaho DEQ rules.
Which companies pump septic tanks in Caldwell?
8 of the 29 listings in Caldwell 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 Caldwell?
28 listings in Caldwell install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Idaho license.
How do I check a septic contractor's license in Idaho?
Use the Idaho's seven public health districts, under Idaho DEQ rules's lookup (https://www.deq.idaho.gov/water-quality/wastewater/septic-and-septage/) and search the contractor's name or license number. Our guide to checking a septic license walks through it.