Basement / Junior ADU in Denver, Colorado
Verified basement / junior adu businesses in Denver, CO
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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.
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.
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.