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Colorado

Licensed Septic Companies in Colorado

The Septic Guide lists 30 septic companies and licensed septic professionals in Colorado (data as of October 2026).

30listed in Colorado
0matched to a state license or certification
30with a phone number
2county and town pages

Septic companies by county

Septic services in Colorado

Counts of Colorado listings by service, from each business's own website or the type of state license it holds.

  • 18 septic tank pumping · guide
  • 16 septic system installation · guide
  • 17 septic inspection · guide
  • 11 septic repair · guide
  • 12 drain field repair · guide
  • 1 aerobic septic systems · guide
  • 4 risers and lids
  • 7 perc testing and site evaluation
  • 10 grease trap pumping

Who licenses septic work in Colorado?

Colorado has no statewide septic installer license; each county licenses installers under the state's Regulation 43 standards.

Credentials: County systems installer or contractor license.

Agency: County health departments (rules set by CDPHE Regulation 43).

Colorado septic licensing guide →

Other Colorado listings

Septic companies and licensed professionals in areas without their own page yet. Listings in the counties and towns above are on those pages.

Adams County 2

Arapahoe County 1

Boulder County 2

Douglas County 2

Teller County 1

Weld County 2

Septic companies in Colorado: common questions

How many licensed septic companies are in Colorado?

The Septic Guide lists 30 septic companies and licensed septic professionals in Colorado (data as of October 2026).

Do septic contractors need a license in Colorado?

Not at the state level. Colorado has no statewide septic installer license; each county licenses installers under the state's Regulation 43 standards.

How do I check a septic license in Colorado?

Colorado has no public statewide list. Colorado has no statewide septic installer license; each county licenses installers under the state's Regulation 43 standards.