Denver ADU & Construction Contractors | Custom Builds & Conversions

Licensed & Insured | BBB A+ Rated | 25+ Years Experience · Expert ADU Construction & Residential Building Services

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LICENSED, INSURED & BBB A+ ACCREDITED

Denver's Most Trusted Construction Company

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Owens Corning
Preferred Contractor

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Accredited Business
A+ Rating

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★★★★★

5-Star Business

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National Roofing
Contractor Association

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★★★★★

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★★★★★

5.0 Rating

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Owens Corning
Preferred Contractor

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Accredited Business
A+ Rating

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★★★★★

5-Star Business

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National Roofing
Contractor Association

Licensed CO #1008986
BBB A+ Accredited
25+ Years Experience
0% Financing Available

THE PEAK DIFFERENCE

Why Denver Homeowners Choose Peak Builders

25+ years of construction excellence serving Denver Metro. Licensed, insured, and committed to quality.

Licensed & Insured CO #1008986 - Fully bonded with $2M liability and workers' comp coverage
BBB A+ Rated Business - Proven track record with 500+ successful Denver projects
Transparent Fixed Pricing - Detailed estimates with no hidden fees or surprises
Expert Design-Build Team - One dedicated team from concept to completion
On-Time Guaranteed Completion - Detailed timelines with guaranteed dates in every contract
Lifetime Workmanship Warranty - Quality materials and expert craftsmanship guaranteed

Our Proven Construction Process

1

Free Consultation

We visit your property to discuss your project, assess feasibility, and understand your budget. Receive a detailed proposal with transparent pricing.

2

Design & Planning

Work with our designers to create detailed plans and 3D renderings. We handle all permits, zoning approvals, and utility coordination for you.

3

Expert Construction

Our licensed contractors bring your project to life with quality materials and expert craftsmanship. Daily updates and clean job sites throughout.

4

Final Walkthrough

Thorough inspection with you, address any details, and provide comprehensive warranty coverage for your complete peace of mind.

Detached ADU Construction Denver - Custom Living Spaces

Detached ADU Construction Denver - Custom Living Spaces

Build a premium detached ADU on your Denver property with our complete construction services. Perfect for generating rental income, housing aging parents, creating home offices, or providing guest accommodations. Our detached ADUs offer complete privacy, custom designs, and full amenities. Services include foundation excavation and installation, complete structural framing, roofing installation, electrical system installation, plumbing and utility hookups, HVAC installation and integration, insulation and weatherproofing, interior finishing and fixtures, kitchen and bathroom installation, and exterior siding to match your main home. We handle all Denver permits, HOA approvals, and zoning requirements. Detached ADUs typically cost $150,000-$300,000 depending on size and finishes. Average rental income: $1,800-$2,800/month. ROI typically 5-8 years. 0% financing available for qualified buyers. Get Free ADU Estimate

Garage to ADU Conversion Denver - Maximize Property Value

Garage to ADU Conversion Denver - Maximize Property Value

Convert your underused garage into a fully functional ADU with our expert conversion services. Most cost-effective way to add living space without expanding your home's footprint. Perfect for rental income units, home offices, art studios, or guest suites. Services include foundation leveling and reinforcement, wall insulation and framing, complete electrical wiring and panel upgrades, plumbing installation for kitchen/bathroom, HVAC system installation, drywall installation and finishing, flooring installation (hardwood, tile, LVP), window and door installation, kitchen and bathroom build-outs, and egress windows for safety and natural light. We handle all Denver ADU permits and zoning compliance. Garage conversions typically cost $80,000-$150,000 depending on size and finishes. Average rental income: $1,500-$2,500/month. ROI typically 4-6 years. Add a kitchenette and bathroom for full ADU functionality. Get Free Conversion Estimate

ADU Design & Planning Services Denver - From Vision to Reality

ADU Design & Planning Services Denver - From Vision to Reality

Successful ADU projects start with expert design and comprehensive planning. Our experienced designers create functional, beautiful spaces that maximize your property's potential while navigating Denver's complex zoning requirements. Services include site assessment and feasibility analysis, 3D renderings and floor plans, zoning and setback analysis, permit application and processing, utility connection planning, HOA approval coordination, material selection guidance, budget planning and cost estimates, timeline development, and contractor coordination. We ensure your ADU design complies with all Denver building codes, HOA requirements, and zoning regulations. Design services typically $5,000-$15,000 depending on project complexity. Most ADUs range 400-1,200 square feet. We handle everything from concept to construction-ready plans. Get Free Design Consultation

Turnkey ADU Solutions Denver - Complete Stress-Free Service

Turnkey ADU Solutions Denver - Complete Stress-Free Service

Our turnkey ADU services provide a complete end-to-end solution from initial consultation through final certificate of occupancy. One point of contact handles every aspect of your ADU project, eliminating stress and ensuring seamless coordination. Services include initial feasibility assessment, complete design and 3D renderings, all permit applications and approvals, zoning variance handling if needed, full construction management, subcontractor coordination, quality control inspections, timeline management, budget oversight, and final inspection coordination. We handle every detail so you don't have to worry about anything. Turnkey ADU projects typically $120,000-$280,000 depending on size and specifications. Timeline: 6-12 months from design to completion. Financing options available. Perfect for busy homeowners who want a hassle-free ADU experience. Get Free Turnkey Estimate

New Home Construction Denver - Custom Residential Builds

New Home Construction Denver - Custom Residential Builds

Build your dream custom home with our expert residential construction services. From lot selection through final walkthrough, we manage every aspect of your new home construction project. Whether modern, traditional, or contemporary design, we bring your vision to life with quality craftsmanship. Services include lot evaluation and site preparation, architectural design coordination, foundation and structural engineering, complete framing and roofing, electrical and plumbing systems, HVAC installation, insulation and weatherproofing, drywall and interior finishing, kitchen and bathroom installation, flooring throughout, exterior finishing and landscaping, and energy-efficient upgrades. We build throughout Denver Metro with full permit handling and code compliance. New home construction costs vary widely based on size, finishes, and lot: typically $200-$400 per square foot. Timeline: 8-16 months depending on size and complexity. We offer design-build services for seamless coordination. Get Free New Build Estimate

Room Additions Denver - Expand Your Living Space

Room Additions Denver - Expand Your Living Space

Need more space but don't want to move? Our expert room addition services seamlessly expand your home with additions that look like they've always been there. Perfect for growing families, home offices, or additional bedrooms. Services include foundation work and excavation, structural framing and engineering, roofing that matches existing, electrical system integration, plumbing installation if needed, HVAC extension or new zones, professional insulation, drywall installation and finishing, flooring to match or upgrade, trim work and paint, and exterior siding/finishes to match. We ensure additions blend architecturally with your existing home. Room additions typically cost $80,000-$200,000 depending on size and complexity. Second-story additions available. We handle all Denver permits and inspections. Timeline: 2-6 months depending on scope. Add bedrooms, offices, family rooms, or sunrooms. Get Free Addition Estimate

⭐⭐⭐⭐⭐ Outstanding ADU Construction

Peak Builders built our detached ADU from the ground up. Professional team, handled all permits seamlessly, finished on time and on budget. Now generating $2,200/month in rental income! - Michael T., Denver

⭐⭐⭐⭐⭐ Excellent Garage Conversion

Converted our garage into a beautiful ADU for my mother-in-law. Quality workmanship, great communication, and they handled everything including permits. Highly recommend! - Sandra M., Lakewood

⭐⭐⭐⭐⭐ Beautiful Custom Home

Peak Builders constructed our dream home in Highlands Ranch. From design to completion, they exceeded expectations at every step. True craftsmanship! - David & Jennifer R.

⭐⭐⭐⭐⭐ Perfect Room Addition

Added a second story with two bedrooms and a bathroom. Seamless process, quality work, and the addition looks like it was always there. Worth every penny! - Tom H., Littleton

⭐⭐⭐⭐⭐ Professional ADU Build

From permits to final inspection, Peak Builders made our ADU project stress-free. Now we have a beautiful guest house and rental income. Excellent investment! - Lisa K., Aurora

⭐⭐⭐⭐⭐ Best Construction Company

Interviewed five contractors for our new home build. Peak Builders stood out immediately with professionalism and experience. Our home is stunning! - Amanda S., Centennial

Flexible Financing Options Available

0% APR PROMOTIONAL FINANCING

Flexible Financing Options Available

We understand construction and ADU projects are significant investments. That's why we offer flexible financing options to make our services accessible. 0% APR promotional financing available for qualified buyers. Multiple payment plans to fit your budget. Quick approval process with same-day decisions. No impact on your credit score to check rates.

GOT QUESTIONS? WE HAVE ANSWERS

Denver ADU & Construction FAQs

Common questions about ADU construction and building services in Denver

Get Your Free Construction Estimate

Connect with Denver's top-rated general contractors. We provide free consultations, detailed quotes, and expert guidance for all your remodeling, construction, and ADU needs.

Office Location

2727 Bryant St Suite 230, Denver, CO 80211

Serving all of Denver County and surrounding areas

Call for Free Estimate

(720) 605-7785

Available Mon-Sat 7AM-7PM

Certified & Trusted

  • • BBB A+ Accredited
  • • Licensed CO #1008986
  • • 500+ Projects Completed
  • • 25+ Years Experience
  • • Lifetime Warranty
  • • 0% Financing Available
(720) 605-7785