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ADU BuildersDenver, CO

Best ADU builders in Denver, Colorado

Looking for the best ADU builders in Denver, Colorado? Our directory features 22 vetted adu builders serving the Denver area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

22 adu builders found
Average rating: 4.5

Top ADU builders in Denver

ADU5280 ADU project

ADU5280

Denver, CO
4.14.1(9 reviews)
ADU ConstructionRemodeling

5280ADU, a division of Revo Renovations, specializes in Accessory Dwelling Units (ADUs) in Denver County. We handle zoning, permits, and construction to bring your vision to life, with expertly built living spaces tailored to your needs.

(720) 443-2406Website
ADU4U ADU project
Featured

ADU4U

Denver, CO
4.04.0(42 reviews)
ADU ConstructionCustom ADUDesign-Build ADU

Specializing in ADU construction and related services in Denver, CO.

Website

Why Choose ADU Builders in Denver?

Denver is one of the top markets for accessory dwelling units in Colorado. With growing demand for affordable housing, ADU construction in Denver offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of adu builders in Denver helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.

What to Look for in ADU builders

  • 1
    Licensed and insured adu builders with experience in Denver
  • 2
    Knowledge of Denver zoning laws and ADU permit requirements
  • 3
    Portfolio of completed ADU projects in the Denver area
  • 4
    Transparent pricing and detailed project timelines
  • 5
    Strong reviews and ratings from local homeowners
  • 6
    Warranty coverage on construction and materials

Frequently Asked Questions

How much does it cost to build an ADU in Denver?

ADU construction costs in Denver 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 builders to compare prices.

Do I need a permit to build an ADU in Denver, Colorado?

Yes, ADU construction in Denver 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.

How long does it take to build an ADU in Denver?

ADU construction timelines in Denver 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.

Other Services in Denver

Garage Conversion
Prefab ADU
Custom ADU
Backyard Cottage
In-Law Suite
ADU Design-Build
Tiny Home Builders
ADU Contractors

ADU Builders Nearby

Lakewood, CO
5
Commerce City, CO
2
Arvada, CO
5
Westminster, CO
6
Aurora, CO
6

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Browse Denver ADU Services

ADU Builders
Garage Conversion
Prefab ADU
Custom ADU
Backyard Cottage
In-Law Suite
ADU Design-Build
Tiny Home Builders
ADU Contractors
ADU Permit Services