General Contractors, Home Remodeling & Skylight Installations
Home Additions In Martinez, CA
Custom Additions Built To Fit Your Life & Style Since 1983
Add More Living Space Without Leaving The Home You Love
Is your Martinez home starting to feel a little too tight? Whether your family is growing, your needs have shifted, or you’re simply ready for more space to relax and enjoy, Mares & Dow Construction & Skylights is here to help. Since 1983, we’ve been a trusted name in the Bay Area for designing and building custom home additions that blend seamlessly with your existing space and reflect your lifestyle.
Our expert design-build team creates functional, stylish expansions that enhance your home’s comfort, value, and character—all while preserving the charm of your Martinez neighborhood.
Types Of Home Additions We Build In Martinez
Every home has its personality, and every homeowner has unique goals. That’s why we design custom additions that align with your home’s layout and your vision for the future.
We specialize in:
Primary Suite Additions – Transform your home with a private retreat featuring a spacious bedroom, walk-in closet, and spa-like bathroom.
Accessory Dwelling Units (ADUs) – Whether for extended family, guests, or rental income, our ADUs are built to meet both your needs and California’s current building codes.
Second-Story Expansions – Maximize your home’s potential without losing yard space—perfect for growing families or homes with hillside views.
Garage Additions & Conversions – Add a new garage or convert existing space into a home office, gym, or self-contained living unit.
Why Martinez Homeowners Choose Mares & Dow Construction & Skylights
We’ve helped families across Martinez, from historic downtown neighborhoods to newer development, expand their living spaces with high-quality, long-lasting results.
Here’s what sets us apart:
Over 40 Years of Experience – Serving homeowners across the East Bay since 1983
Full-Service Design/Build – A single, dedicated team from concept through construction
Exceptional Craftsmanship – High-quality materials and efficient timelines
Eco-Friendly Options – Energy-efficient insulation, windows, and framing materials
Complete Project Management – We handle permitting, inspections, and scheduling so you don’t have to
Visit our Residential Project Portfolio to see the thoughtful designs and beautiful results we’ve delivered to Bay Area homeowners.
Seamless Design, Flawless Execution
Whether you’re adding a second story, building out, or constructing an ADU, we make the process smooth from start to finish. Our team manages every step—from design and material selection to permits and final walkthrough—so you can focus on enjoying your improved home.
Want to learn more about our team’s approach and experience? Visit our About Us page for more details.
Ready To Expand Your Home In Martinez?
Stop searching for a “home addition contractor near me” and partner with the team trusted across the East Bay for more than four decades. Contact Mares & Dow Construction & Skylights today to schedule your free consultation and get started on your Martinez home addition. Get in touch today!
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