F9 Productions Inc.
Boulder, CO
5.0(0)
ADU ConstructionArchitecture & Design
F9 Productions Inc.. Architect. 825 Crisman Dr #100, Longmont, CO 80501
Looking for the best ADU design-build firms in Boulder, Colorado? Our directory features 7 vetted adu design-build firms serving the Boulder area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
F9 Productions Inc.. Architect. 825 Crisman Dr #100, Longmont, CO 80501
Skycastle Construction. Custom home builder. 929 Pearl St #250, Boulder, CO 80302
TRAD Design Build. Contractor. 2529 49th St, Boulder, CO 80301, United States
ACI Design Build. Architect. 2805 Wilderness Pl #500, Boulder, CO 80301, United States
Melton Design Build. Contractor. 3082 Sterling Cir, Boulder, CO 80301, United States
Specializing in ADU construction and related services in Boulder, CO.
Structurae LLC. Structural engineer. 30 Whispering Pines, Boulder, CO 80302
Boulder is one of the top markets for accessory dwelling units in Colorado. With growing demand for affordable housing, ADU construction in Boulder offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of adu design-build firms in Boulder helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Boulder typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed adu design-build firms to compare prices.
Yes, ADU construction in Boulder requires building permits. Colorado has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Boulder typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.