General Contractors, Home Remodeling & Skylight Installations
Home Additions In Concord, CA
Custom Additions Built To Fit Your Life & Style Since 1983
Add More Living Space Without Leaving The Home You Love
Is your Concord home starting to feel a little cramped? Whether your family is expanding, your lifestyle is shifting, or you simply want more space to relax, work, or 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—delivering seamless, stylish expansions that feel like they’ve always been part of your home.
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Our expert design-build team creates custom solutions that enhance space, functionality, and long-term value, without compromising on comfort or curb appeal.
Types Of Home Additions We Build In Concord
Every Concord home has its story, and every addition we build is uniquely designed to match your needs and your home’s architecture.
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We specialize in:
Primary Suite Additions – Transform your bedroom into a private sanctuary with spacious layouts, spa-like bathrooms, and walk-in closets.
Accessory Dwelling Units (ADUs) – Whether for extended family, guests, or rental income, our ADUs are thoughtfully designed and fully compliant with California’s latest ADU guidelines.
Second-Story Expansions – Add square footage without losing yard space. Ideal for growing families and maximizing smaller Concord lots.
Garage Additions & Conversions – Add a brand-new garage or reimagine existing space as a home office, studio, gym, or rental-ready unit.
Why Concord Homeowners Choose Mares & Dow Construction & Skylights
Homeowners throughout Concord and Central Contra Costa County turn to us for quality home additions that blend craftsmanship with efficiency. Here’s what makes us different:
40+ Years of Local Experience – Proudly serving the East Bay since 1983
Integrated Design/Build Process – One dedicated team from concept to completion
Streamlined Project Timelines – On-time delivery with exceptional attention to detail
Eco-Friendly Construction – We offer sustainable insulation, windows, and framing materials
End-to-End Project Management – We handle permits, inspections, and communication so you don’t have to
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Want to see our work in action? Browse our Residential Project Portfolio to explore the quality and care behind every project.
Seamless Design, Flawless Execution
Whether you’re adding an ADU, building a second story, or expanding your living space outward, we manage the entire process—architectural design, permitting, materials, construction, and final inspections. You can count on a smooth and stress-free experience from start to finish.
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Visit our About Us page to learn more about our team, values, and commitment to craftsmanship.
Ready To Expand Your Home In Concord?
Stop searching for a “home addition contractor near me” and trust the team that’s been serving Concord and the East Bay for over four decades. Contact Mares & Dow Construction & Skylights today to schedule a free consultation and get started on your Concord home addition. Get in touch today!
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