Our Credentials & Reviews
Connected Yet Independent
Peak Builders constructs attached ADUs throughout Denver. An attached ADU is built as an addition to your existing home, sharing at least one wall. This approach often costs less than detached construction while still providing independent living quarters.
Peak Builders & Roofers of Denver provides professional attached adu services throughout Denver. Our experienced team delivers quality workmanship and reliable results for every project. We understand the specific needs of Colorado homes and tailor our approach accordingly.
We stand behind our work with clear communication, fair pricing, and attention to detail. Every project receives the same level of care, from initial consultation through final walkthrough. Your satisfaction is backed by our warranties and responsive service team.
Quality Craftsmanship You Can Trust
With over 15 years of experience serving Denver homeowners, we bring expertise, quality materials, and exceptional craftsmanship to every project. Our team is fully licensed, bonded, and insured for your peace of mind.
Your project, our proven process.
Free Consultation
We visit your home, discuss your vision, and provide a detailed estimate with no obligation.
Design & Planning
Our team creates custom plans and handles all permits with the city of Denver.
Expert Construction
Licensed craftsmen bring your project to life with quality materials and workmanship.
Final Walkthrough
Inspection, quality assurance, and warranty coverage ensure your complete satisfaction.
Attached ADU Pricing
Studio (300-400 sf)
$115,000 - $160,000
Basic unit
One-Bedroom (400-550 sf)
$150,000 - $200,000
Full living
Two-Bedroom (550-700 sf)
$200,000 - $275,000
Larger unit
Real projects. Real results. say.
Peak Builders transformed our outdated kitchen into a stunning modern space. Their attention to detail and craftsmanship exceeded our expectations.
Sarah M.
Kitchen Remodel, Denver
Star Rating
Attached ADU FAQs
Usually 20-30% less expensive. Shared walls reduce materials and labor, and utility connections are simpler since you're already tied into existing systems.
Yes! Many owners want internal access for aging parents but also provide an external entrance for potential future rental use.
For rental purposes, yes. Denver will assign a separate address (typically a 1/2 or unit number) for the ADU.
Our structural engineers ensure proper load transfer and foundation integration. When done correctly, an attached ADU strengthens rather than weakens your home.
Get in touch today.
Ready to start your attached adu construction in denver project?
Call +1-720-605-7785