General Contractors, Home Remodeling & Skylight Installations
Home Additions In Danville, CA
Custom Additions Built To Fit Your Life & Style Since 1983
Add More Living Space Without Leaving The Home You Love
Is your Danville home starting to feel a little crowded? Whether you need more room for a growing family, a new home office, or just want extra space to relax and entertain, Mares & Dow Construction & Skylights is here to help. Since 1983, we’ve been the trusted choice for residential home additions across the Bay Area, offering beautifully designed expansions that blend effortlessly with your existing home.
Our expert design-build team delivers customized solutions that enhance comfort, boost functionality, and increase long-term property value, while preserving your home’s curb appeal and character.
Types Of Home Additions We Build In Danville
No two homes—or families—are alike, which is why every addition we build is tailored to your lifestyle and architectural style.
We specialize in:
Primary Suite Additions – Create a private, luxurious retreat with spa-inspired bathrooms, walk-in closets, and custom finishes.
Accessory Dwelling Units (ADUs) – Whether for extended family, guests, or rental income, our ADUs are thoughtfully designed and built to meet California’s current ADU laws.
Second-Story Expansions – Add significant living space without losing your yard—ideal for maximizing views and lot potential in Danville neighborhoods.
Garage Additions & Conversions – Build a new garage or convert an existing one into a gym, office, guest suite, or rental-ready space.
Why Danville Homeowners Choose Mares & Dow Construction & Skylights
We’ve helped families across Danville and the San Ramon Valley unlock more space without the hassle of moving. Here’s what sets us apart:
Over 40 Years of Local Experience – Proudly serving Danville and the East Bay since 1983
Integrated Design/Build Approach – One experienced team from start to finish
Timely, High-Quality Results – Efficient timelines and premium craftsmanship
Energy-Efficient Materials – Sustainable insulation, framing, and window options
We Handle It All – From permits to inspections, we make the process simple and stress-free
Browse our Residential Project Portfolio to see the quality of our work and the creativity we bring to every build.
Seamless Design, Flawless Execution
Whether you’re building up, out, or adding a separate ADU, our team handles everything—design, engineering, permitting, construction, and final walkthrough. You can count on a smooth process and results you’ll love for years to come.
Want to know more about our team and values? Visit our About Us page for insights into how we work and what drives us.
Ready To Expand Your Home In Danville?
Stop searching for a “home addition contractor near me” and work with the team that’s been building in Danville and the East Bay for over four decades. Contact Mares & Dow Construction & Skylights today to schedule your free consultation and get started on your Danville home addition. Get in touch today!
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