Do I need a septic system contractor license in Colorado?

Colorado requires septic system contractor contractors to hold a Colorado Septic System Contractor license from the Colorado DORA — State Plumbing Board. Apply through https://dpo.colorado.gov/Plumbing with a typical $1,300 total fee (range $175-$8,000) and a 1-3 year renewal cycle. Verify the exact classification with the board before submitting.

Which board handles septic system contractor licensing in Colorado?

Colorado DORA — State Plumbing Board is the relevant authority shown in the Colorado licensing seed for this page. The verification or application URL in the loader is https://dpo.colorado.gov/Plumbing.

How much does a septic system contractor license cost in Colorado?

The recorded licensing cost range is $175-$8,000, with a typical total around $1,300. That range comes from the page loader and covers application, exam, bond, insurance, or registration costs where they apply.

Do Colorado plumbers need a state license?

Yes. The Colorado State Plumbing Board (DORA) issues plumbing licenses statewide.

Do I need a license to work as a septic system contractor in Colorado?

Colorado requires septic system contractor contractors to hold a Colorado Septic System Contractor license from the Colorado DORA State Plumbing Board. Apply through https://dpo.colorado.gov/Plumbing with a typical $1,300 total fee and a 1 to 3 year renewal cycle.

¿Necesito licencia para trabajar como septic system contractor en Colorado?

Colorado requiere contratista de sistemas sépticos contratistas tener una Colorado Contratista de sistemas sépticos licencia de la Colorado DORA Estado Plumbing Board. Solicite a través de https://dpo.colorado.gov/Plumbing con un costo.

Septic System Contractor license in Colorado

Colorado requires a state-level septic system contractor license.

State license requiredTypical cost $1,3002026 prices

Colorado does not publish a state-level licensing board specific to septic system contractor work. Most septic system contractor jobs in Colorado fall under the plumber board's scope. The board, fees, and renewal cycle shown below are the closest related state authority — always verify the specific scope of your job with the board before applying.

Required license type

Colorado does not license general contractors at the state level — GC licensing is handled by individual municipalities. The Department of Regulatory Agencies (DORA) licenses electricians and plumbers statewide.

Application requirements

Working as a septic system contractor in Colorado typically requires submitting an application packet to the Colorado DORA — State Plumbing Board — including proof of experience, exam scores, and insurance.

Proof of relevant trade experience or apprenticeship hours
Passing score on the state trade exam(s)
General liability insurance + workers' comp
Surety bond filed with the board (when required)
Business entity registration with the Secretary of State
Background check + license fee submitted with packet

This is the standard packet most U.S. state boards require. Verify the exact list with the Colorado DORA — State Plumbing Board before applying — requirements change by trade classification.

Fees and renewal cycle

Total cost to become a licensed septic system contractor in Colorado ranges from $175 to $8,000 (typical $1,300). The range covers application + exam fees, bond + insurance premiums, and the first year of business registration.

Floor

$175

Typical

$1,300

Ceiling

$8,000

Most state boards renew on a 1-3 year cycle and require continuing education credits. Verify the exact renewal window and CE requirement with the Colorado DORA — State Plumbing Board — late renewal typically triggers a reinstatement fee.

Reciprocity with neighboring states

Colorado borders 7 other launched states ProFix Directory tracks. Reciprocity is set by each state board individually — check the destination state for the current rule before relying on it.

Where to apply

Colorado DORA — State Plumbing Board

Open the board lookup →

Board phone: +1-303-894-7800

Why ProFix verifies every septic system contractor

Every pro we list in Colorado is matched against the Colorado DORA — State Plumbing Board record, the Secretary of State business registry, and OSHA inspection data. We surface license status, revocation history, and bond filings on every profile so homeowners can shortlist verified pros without trusting a single review-platform score.

See the full verification methodology →

Common questions

Do I need a septic system contractor license in Colorado?: Colorado requires septic system contractor contractors to hold a Colorado Septic System Contractor license from the Colorado DORA — State Plumbing Board. Apply through https://dpo.colorado.gov/Plumbing with a typical $1,300 total fee (range $175-$8,000) and a 1-3 year renewal cycle. Verify the exact classification with the board before submitting.
Which board handles septic system contractor licensing in Colorado?: Colorado DORA — State Plumbing Board is the relevant authority shown in the Colorado licensing seed for this page. The verification or application URL in the loader is https://dpo.colorado.gov/Plumbing.
How much does a septic system contractor license cost in Colorado?: The recorded licensing cost range is $175-$8,000, with a typical total around $1,300. That range comes from the page loader and covers application, exam, bond, insurance, or registration costs where they apply.
What requirements should Colorado septic system contractor applicants verify?: Colorado does not license general contractors at the state level — GC licensing is handled by individual municipalities. The Department of Regulatory Agencies (DORA) licenses electricians and plumbers statewide.
Do Colorado plumbers need a state license?: Yes. The Colorado State Plumbing Board (DORA) issues plumbing licenses statewide.

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Licensing facts shown for this trade are anchored to the closest related Colorado state board. Seed-backed numbers are used wherever a hand-curated entry exists.

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