20+ Years of Excellence
Nederland-Based General Contractors Serving the Colorado Front Range
Specializing in residential construction, commercial build-outs, tenant finishes, and high-performance homes across Boulder County and the Colorado Front Range.
What We Do
Our Core Services
Explore our range of services designed for both commercial and residential projects. We focus on high-quality construction that meets your unique needs. Let us guide you in turning your ideas into reality.
Commercial Construction
Harris Dewart delivers ground-up commercial construction, tenant finishes, and commercial remodels for offices, retail, restaurants, and mixed-use spaces across Boulder County and the Colorado Front Range—managing every project with clear communication, schedule control, and quality craftsmanship from pre-construction through completion.
Learn More ⟶Residential Construction
Custom mountain homes, renovations, and high-performance residences built with precision and care. Harris Dewart is an experienced, trades-focused general contractor specializing in Passive House–certified and ENERGY STAR®–rated builds, ignition-resistant construction, and wildfire mitigation—delivering energy-efficient, wildfire-resilient residential construction across Boulder County and the Colorado Front Range.
Learn More ⟶
Our Range of Services
Mountain & High-Performance Construction
- Design/Build
Additions - Wildfire Mitigation
- Window and Door Replacements
Custom Residential
- General Contracting
- Bathroom and Kitchen Remodels
- Accessory Dwelling Units (ADUs)
- Deck Installations and Repairs
- Interior Design Collaboration
Commercial & Tenant Finish
- Commercial Remodels
- Project Management
- Facilities Maintenance
Why Choose Harris Dewart LLC?
Licensed and Insured with 20+ Years of experience
Front Range & Mountain Construction Expertise
High-Performance & Energy-Efficient Building Experience
Clear Communication & Organized Project Management
Clients We've Built For
Building Tomorrow’s Spaces Today
At the heart of our mission lies a commitment to quality and sustainability. We specialize in high-end construction that prioritizes eco-friendly practices. From commercial to residential projects, our team brings unmatched expertise and a keen eye for detail, ensuring that each space we create reflects our client’s vision and values.