Building Contractor License
Contractor means any person who undertakes with or for another person within the city to build, construct, alter, repair, add to, move, or wreck any building or structure, or any portion thereof. Contractor shall also include persons licensed by the city manager to inspect residential buildings per BRC 10-3.
General Building Contractor includes any person, company or agency holding a current A, B or C building contractor license with the City of Boulder and does not include the following:
- Subcontractors working for and under the supervision of a general contractor;
- Plumbers, electricians, mechanical and fire or other specialized trades people for whom another license is required by the city; and
- A homeowner who builds, constructs, alters, repairs, adds to, moves, or wrecks any building or structure, or any portion thereof that constitutes the owner’s residence or a building or structure accessory thereto, that is intended for the owner’s personal use. This exception is available only as to one such building or structure during a calendar year.
Other than a homeowner performing work on their own home, no person shall perform any work as a contractor in the city without first obtaining a city contractor’s license to perform such work.
No permit shall be issued for work to be done by a person who does not have a valid, current license as required by the city for the type of work to be performed, except a homeowner performing work on their own home.
No person other than a Class A or Class B licensed contractor shall perform work requiring the supervision of an architect or structural engineer.
All New and Renewal License Applicants Shall:
- Complete a City of Boulder Contractor Licensing Application
- Provide a copy of A, B or C Contractors certificate issued by the International Code Council (ICC).
Provide a current copy of a Certificate of Insurance as required by BRC 4-1-8 (except Class F, G and D-9).
Pay the annual licensing fees as required by BRC 4-20-4.
Class A: entitles the licensee to contract for the construction, alteration, wrecking, or repair of any type or size of building or structure permitted in the City of Boulder.
Class B: entitles the licensee to contract for the construction, alteration, wrecking, or repair of all commercial and residential buildings or structures in the City of Boulder having the following construction types: Type V, Type IV, Type III-B and Type II-B.
Class C: entitles the licensee to contract for:
- The construction, alteration, wrecking, or repair of any detached One-and-Two Family Dwelling or Town home and their accessory structures not more than two stories in height and of Type V construction.
- The repair of non-residential buildings not involving primary structural elements or a public building or place of public assembly or where the total value of the labor and materials does not exceed $5,000.00.
Class D: entitles the licensee to contract for labor or for labor and materials involving one or more of the following trades:
- D-1. Moving and wrecking of structures
- D-2. Roofing
- D-3. Siding
- D-4. Landscaping, irrigation and site work
- D-5. Detached one-story garage and sheds accessory to single-family dwellings
- D-6. Mobile home installer (requires state license)
- D-7. Elevator and escalator installer
- D-8. Class not identified but requiring a building permit and inspection
- D-9. Rental housing inspector (requires certification)
Class E: entitles the licensee to contract for the building or construction of:
- All fences of any size or value, and
- Minor structures not more than 200 square feet in area; or for the alteration or repair of other buildings or structures, if total value of the labor and materials for each such project does not exceed $2,000.00, the total square foot area of each such project does not exceed 200 square feet, and such work does not involve any load-bearing element.
Class F: entitles the licensee to construct, alter, or repair the licensee’s own building or structure, if the total value of the labor and material for each such project does not exceed $500.00 and if the project does not involve alteration of a load-bearing element or work governed by the city’s electrical, mechanical, or plumbing codes.
Class G: entitles the licensee to inspect rental properties within the City of Boulder for energy efficiency prescriptive requirements as detailed in the Boulder Property Maintenance Code, B.R.C. 1981, 10-2, Appendix C. These requirements are part of the SmartRegs project adopted by City Council in the fall of 2010.
New License applicants: Any person, agency or company wishing to become a City of Boulder licensed A, B or C general contractor must provide a professional criterion that demonstrates competency in, or knowledge of, the International Building Codes. Proof of professional criteria includes:
- A, B or C Contractors certificate issued by the International Code Council (ICC).
New Class A or Class B license applicants shall also provide information indicating their level of education or level of training or years of experience in the construction of non-residential buildings. Where the education or training or experience is not applicable to the A or B type work, the City Manager reserves the right to refuse the license to a particular applicant.
License applicants: Any person, agency or company wishing to become a City of Boulder licensed Class D, E, F or G contractor need only submit a completed application along with the certificate of insurance and the applicable fees with the following exceptions:
- D-1 contractors wishing to move or implode/explode a structure within the city limits shall provide information demonstrating competence, knowledge and experience in such methods.
- D-2 contractors providing service to non-residential structures shall provide information related to their experience with Class A and Class B roof covering materials or ICC Roofing Contractor Certificate.
- D-3 contractors applying proprietary exterior stucco products shall include installer certification information.
- D-6 contractors must have a current State of Colorado Manufactured Housing Installation Program certificate.
- D-7 contractors installing elevators or escalators must provide information related to their experience and/or participation in the ASME Professional Development Elevator and Escalator Education Programs.
- D-9 contractors must provide one of the following: ICC or ICBO certification, ASHI registration, A, B or C city contractor license, Architect or Engineer registration.
- G contractors must provide one of the following: ICC Energy Inspector certification; ASHI/NAHI certification; A, B or C city contractor license; Architect or Engineer registration; RESNET certification as senior certified rater; Certified Home Energy Rater or Rating Field inspector certification. In addition, all contractor must must attend and pass a certification program sponsored by the City of Boulder to make compliance inspections.
The city manager may suspend or revoke a license issued under this chapter for the grounds and under the procedures prescribed by section 4-1-10, "Revocation of Licenses," B.R.C. 1981. Grounds for suspension or revocation include, without limitation, failure to maintain required insurance.