Is My Contractor Licensed in Colorado?
Quick answer
Colorado licenses plumbers and electricians at the state level through boards in the Department of Regulatory Agencies (DORA), and pesticide applicator businesses through the Department of Agriculture. DORA notes that not all home repair occupations are state licensed, such as roofers and general contractors, and advises checking with your city. Plumbers: Colorado State Plumbing Board (DORA Division of Professions and Occupations). Electricians: Colorado State Electrical Board (DORA Division of Professions and Occupations). HVAC (heating and air): Local city or county. Roofers: No statewide license.
Checked September 30, 2026. Every rule below links to the official source; licensing rules change, so confirm with the board before you hire.
Plumbers in Colorado
Licensed by: Colorado State Plumbing Board (DORA Division of Professions and Occupations)
The State Plumbing Board licenses residential plumbers, journeyworker plumbers and master plumbers. Search the plumber's name or license number in DORA's Verify a Colorado Professional or Business License tool before work starts.
Look up a license · Source: Colorado Division of Professions and Occupations: Plumbing Homepage · 31 plumbing companies in Colorado on 1-800Deals
Electricians in Colorado
Licensed by: Colorado State Electrical Board (DORA Division of Professions and Occupations)
The State Electrical Board licenses residential wiremen, journeyman electricians and master electricians. Search the electrician's name or license number in DORA's Verify a Colorado Professional or Business License tool before work starts.
Look up a license · Source: Colorado Division of Professions and Occupations: Electrical Homepage · 7 electricians companies in Colorado on 1-800Deals
HVAC (heating and air) in Colorado
Licensed by: Local city or county
DORA's state boards cover plumbing and electrical work, and DORA advises checking with your city because not all home repair occupations are state licensed. Some local governments license heating and cooling work themselves; Denver, for example, issues its own mechanical certificates. Ask your city or county building department what an HVAC contractor needs there.
Source: City and County of Denver: Mechanical Certificates · 11 hvac companies in Colorado on 1-800Deals
Roofers in Colorado
Licensed by: No statewide license
DORA states that roofers are not licensed at the state level. Local laws may still apply, so check with your city or county before hiring a roofer.
Source: Colorado DORA: Home and Repair consumer protection · 5 roofing companies in Colorado on 1-800Deals
Pest control in Colorado
Licensed by: Colorado Department of Agriculture
Anyone who applies pesticides for hire in Colorado must hold a commercial pesticide applicator business license from the Department of Agriculture, with a licensed qualified supervisor. Verify the business in the department's Pesticide Applicator Search; it shows only current licenses.
Look up a license · Source: Colorado Department of Agriculture: Commercial Applicator License FAQs · 16 pest control companies in Colorado on 1-800Deals
Garage door companies in Colorado
Licensed by: Local city or county
DORA states that general contractors are not licensed at the state level and advises checking with your city, where local laws may apply. Ask your city or county building department whether a garage door installer needs a local license or permit.
Source: Colorado DORA: Home and Repair consumer protection · 5 garage doors companies in Colorado on 1-800Deals
Water damage restoration in Colorado
Licensed by: Local city or county
DORA states that general contractors are not licensed at the state level, and it advises checking with your city because local laws may apply. If the repair includes plumbing or electrical work, you can check those tradespeople in DORA's license lookup. Ask your city or county about local contractor licenses and permits for rebuild work.
Look up a license · Source: Colorado DORA: Home and Repair consumer protection · 66 water damage restoration companies in Colorado on 1-800Deals
Frequently asked questions
Do roofers need a state license in Colorado?
No. DORA states that roofers and general contractors are not licensed at the state level, but local laws may apply, so check with your city or county.
How do I check a plumber's or electrician's license in Colorado?
Use DORA's Verify a Colorado Professional or Business License tool. The State Plumbing Board and State Electrical Board licenses both appear there.
Who licenses pest control companies in Colorado?
The Colorado Department of Agriculture licenses businesses that apply pesticides for hire. You can verify a business in its Pesticide Applicator Search.
This page is general information, not legal advice. 1-800Deals does not license, verify or endorse contractors. See all states: contractor licensing by state.