General Contractors, Home Remodeling & Skylight Installations
Home Additions In El Cerrito, CA
Custom Additions Built To Fit Your Life & Style Since 1983
Add More Living Space Without Leaving The Home You Love
Is your El Cerrito home starting to feel a bit cramped? Whether you need extra room for a growing family, a more functional home office, or space to simply spread out and relax, Mares & Dow Construction & Skylights is here to help. Since 1983, we’ve delivered expertly crafted home additions across the Bay Area—designed to blend seamlessly with your home and lifestyle.
Our design-build team works with you every step of the way to create personalized additions that improve functionality, boost your home’s value, and preserve the charm that makes El Cerrito homes so unique.
Types Of Home Additions We Build In El Cerrito
Every project is custom-tailored to fit your home’s style, your family’s needs, and El Cerrito’s local building regulations.
We specialize in:
Primary Suite Additions – Build your dream retreat with a custom floor plan, spa-like bathroom, and spacious walk-in closet.
Accessory Dwelling Units (ADUs) – Great for aging parents, visitors, or rental income—are designed to meet California’s ADU laws and El Cerrito zoning requirements.
Second-Story Expansions – Add significant square footage without sacrificing yard space. Ideal for hillside lots and maximizing your views.
Garage Additions & Conversions – Add a new garage or repurpose an existing one into a studio, office, or rental-ready space.
Why El Cerrito Homeowners Choose Mares & Dow Construction & Skylights
We’ve been helping East Bay families—especially in unique hillside and mid-century neighborhoods like El Cerrito—add space without sacrificing style or structure. Here’s what sets us apart:
Over 40 Years of Experience – Proudly serving El Cerrito and surrounding areas since 1983
Full-Service Design/Build – One experienced team from concept to completion
Timely, High-Quality Craftsmanship – Efficient timelines with premium materials
Eco-Conscious Approach – We offer energy-efficient framing, windows, and insulation
Stress-Free Process – We handle permits, inspections, and construction so you don’t have to
Explore our Residential Project Portfolio to see how we’ve transformed homes across the Bay Area with thoughtful, high-quality additions.
Seamless Design, Flawless Execution
Whether you’re building out, adding up, or creating a detached ADU, we take care of the entire process—from initial design and permitting to final inspection. Our goal is to make expanding your home as smooth and stress-free as possible.
Want to know more about who we are and how we work? Visit our About Us page to meet the team behind your next project.
Ready To Expand Your Home In El Cerrito?
Stop searching for a “home addition contractor near me.” Partner with the team that’s been building in El Cerrito and the East Bay for over four decades. Contact Mares & Dow Construction & Skylights today to schedule your free consultation and get started on your El Cerrito home addition. Get in touch today!
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