ADU Builder in Denver, Colorado
Verified adu builder businesses in Denver, CO
Showing 1–21 of 21 listings
AD's Construction
ADU4U
ADU4U can build an accessory dwelling unit to meet your individual needs. We can assist you in finding the perfect property to build your new Accessory Dwelling Unit.
Advocate Construction, Inc
Arise Constructions & Remodels
Break Through Builders, Inc
Custom ADU Builders, LLC
Custom ADU Builders, LLC specializes in expert construction and remodeling in Denver, CO, focusing on ADUs, kitchens, bathrooms, and full-home renovations. As Denver’s trusted general contractor, we specialize in custom ADU construction, home additions, and remodeling services, delivering top-quality craftsmanship with a seamless experience.
Defined by Design
Denver Custom ADU
Factor Design Build
Faros Construction Services
GarageExperts of Foothills
Kindred Tiny Homes
Every Accessory Dwelling Unit (ADU) we build is crafted with a commitment to quality and value. Custom and standard ADU plans crafted for your needs. From design and permitting to construction, we manage every step seamlessly.
Level Design Build
Mountain State Construction
Prenvalley Builders
Prenvalley Builders is a Denver-based design–build company specializing in high-performance custom homes, ADUs, additions, pop-tops, and large-scale renovations. We combine architectural insight, engineering expertise, and hands-on craftsmanship to create homes that stand the test of time, built responsibly, beautifully, and with your family’s future in mind.
Revo Renovations
Revo Renovations specializes in basement, kitchen, and bathroom updates, open-floor-plans, and full custom builds. 5280ADU, a division of Revo Renovations, specializes in Accessory Dwelling Units (ADUs) in Denver County.
Revo Renovations LLC
Specializing in accessory dwelling unit construction throughout Denver, we help homeowners add rental income or multi-generational living space to their properties with expert design and skilled craftsmanship. Our ADU builders manage every phase from permits to final inspection, ensuring your new residential unit meets local codes and exceeds quality standards.
Sustainable Design Build
Our local company in Denver can help expand your livable square footage with an entirely brand new construction placed right on your property. With a superior customer service experience backed with high-quality craftmanship Sustainable Design Build is the ADU Builder for you.
URBAN RENOVATORS
Verified Builders
Westec Builders
Frequently Asked Questions — ADU Builders in Denver
How much does it cost to hire an ADU builder in Denver?
ADU construction costs in Denver, Colorado vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Denver to get accurate quotes for your specific project.
How long does it take to build an ADU in Denver?
In Denver, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Colorado local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Denver?
Yes, a building permit is required for ADU construction in Denver, Colorado. Your ADU builder will typically handle the permit application as part of their service. Colorado has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Denver?
Common ADU types in Denver include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Denver ADU builder can advise on what's allowed on your specific parcel.