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ADU Permit ServicesDenver, CO

Best ADU permit services in Denver, Colorado

Looking for the best ADU permit services in Denver, Colorado? Our directory features 11 vetted adu permit services serving the Denver area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

11 adu permit services found
Average rating: 4.4

Top ADU permit services in Denver

Featured
5.0(42)
ADU ConstructionCustom ADURemodeling

Prenvalley Builders is a Denver-based design–build company specializing in high-performance custom homes, ADUs, additions, pop-tops, and large-scale renovations.

4.9(33)
ADU ConstructionHome AdditionPrefab ADU

We are a general contracting construction company that specializes in estimating, scheduling, managing, and running on time and in budget residential and commercial remodeling projects.

ADU5280

Denver, CO
4.1(9)
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.

Featured

ADU4U

Denver, CO
4.0(42)
ADU ConstructionCustom ADUDesign-Build ADU

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

Why Choose ADU Permit Services 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 permit services in Denver helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.

What to Look for in ADU permit services

  • 1
    Licensed and insured adu permit services 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 permit services 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.