General Contractors, Home Remodeling & Skylight Installations
Home Additions In Orinda, CA
Custom Additions Built To Fit Your Life & Style Since 1983
Add More Living Space Without Leaving The Home You Love
Is your Orinda home starting to feel a bit tight? Whether your family is growing, your lifestyle has changed, or you’re simply ready for more space to relax and entertain, Mares & Dow Construction & Skylights is here to help. Since 1983, we’ve served Orinda and the surrounding Lamorinda communities with thoughtfully designed home additions that elevate comfort and preserve architectural charm.
Our experienced design-build team creates seamless, customized expansions that match your home’s character, increase functionality, and add lasting value, while staying true to Orinda’s scenic and residential feel.
Types Of Home Additions We Build In Orinda
From hillside properties to classic ranch homes, every Orinda home has its story, and every addition we build is tailored to complement it beautifully. We collaborate with you from start to finish to ensure your new space enhances both your home and lifestyle.
We specialize in:
Primary Suite Additions – Transform part of your home into a private oasis with spacious layouts, custom baths, and walk-in closets.
Accessory Dwelling Units (ADUs) – Perfect for extended family, guest accommodations, or added income. Our ADUs meet California regulations and are designed to blend seamlessly with your property.
Second-Story Expansions – Ideal for preserving yard space while adding extra square footage. Great for growing families and properties with stunning views of the Orinda hills.
Garage Additions & Conversions – Whether you need new covered parking or want to convert a garage into a home office, gym, or in-law suite, we’ve got you covered.
Why Orinda Homeowners Choose Mares & Dow Construction & Skylights
We’ve helped homeowners throughout Orinda—from Sleepy Hollow to the Glorietta neighborhood—expand their living space while respecting the natural beauty and architecture of the area.
Here’s why we’re a trusted name:
Over 40 Years of Experience – Serving the Bay Area since 1983
Full-Service Design/Build Team – One expert group from concept through completion
Exceptional Craftsmanship – Timeless finishes and high-quality construction
Energy-Efficient Building – Sustainable materials and smart design solutions
Streamlined Process – We manage permits, inspections, and timelines so you don’t have to
Check out our Residential Project Portfolio to see how we bring thoughtful design and craftsmanship to every project.
Seamless Design, Flawless Execution
Whether you’re building up, expanding outward, or adding a self-contained ADU, our team handles every detail—from architectural plans and permits to final finishes. We ensure your project is stress-free and built to the highest standard.
Visit our About Us page to learn more about our team, values, and what drives our commitment to excellence.
Ready To Expand Your Home In Orinda?
Don’t keep searching for a “home addition contractor near me.” Choose the team with over four decades of experience in Orinda and the East Bay. Contact Mares & Dow Construction & Skylights today to schedule your free consultation and get started on your custom home addition. Get in touch today!
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