Licensed ADU builder in Denver, CO. AD's Construction builds detached and attached accessory dwelling units for rental income or multigenerational living. Class C licensed, BBB accredited. Call 720-541-3584.
GET FREE ESTIMATE 📞 Call 720-541-3584Denver's 2023 ADU zoning expansion opened up accessory dwelling unit construction to most single-family neighborhoods in the city — creating one of the biggest opportunities Denver homeowners have ever had for rental income and multigenerational housing. At AD's Construction, we build detached ADUs, garage conversions, and basement ADUs across every Denver neighborhood. Class C licensed, fully insured, and experienced with Denver's ADU permit process from design through final inspection.
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Detached ADU construction in Denver typically costs $180–$300 per square foot depending on size, design, and finishes. A typical 600-800 sq ft ADU runs $150,000–$250,000.
Denver ADU projects typically take 8–14 months from permit approval to completion. Denver's ADU permit review itself can take 3–6 months.
Denver's 2023 zoning update allows ADUs on most single-family and two-family zoned properties. There are size limits, setback requirements, and design standards — we navigate all of them as part of our service.
Denver requires STR licensing for short-term rentals and the primary residence requirement still applies. Most ADU owners rent long-term. Check current Denver STR regulations before planning.
Yes — we handle design consultation, permits, foundation, framing, mechanical systems, interior finishes, and final inspections. You have one point of contact from start to finish.
Get a free, no-obligation estimate from Denver's most trusted Class C licensed remodeling contractor. We'll walk your space, listen to your vision, and give you an honest line-item estimate — no pressure.
📞 Call 720-541-3584