Home Additions In Moraga, CA

Custom Additions Built To Fit Your Life & Style Since 1983

Add More Living Space Without Leaving The Home You Love

Is your Moraga home starting to feel a bit limited? Whether your family is expanding, your lifestyle has evolved, or you simply want more room to enjoy, Mares & Dow Construction & Skylights is here to help. Since 1983, we’ve been a trusted name throughout the Bay Area for delivering thoughtfully designed, high-quality home additions that blend seamlessly into existing homes.

 

Our experienced design-build team works closely with you to create smart, functional expansions that enhance comfort, improve flow, and preserve the charm that makes Moraga living so special.

Types Of Home Additions We Build In Moraga

Your home and your needs are unique, so we offer fully customized solutions that align with your lifestyle and long-term goals. From hillside properties to cul-de-sacs near Moraga Commons Park, we build additions that feel like a natural extension of your home.

 

We specialize in:

  • Primary Suite Additions – Add a luxurious private retreat with spacious layouts, custom bathrooms, and walk-in closets.

  • Accessory Dwelling Units (ADUs) – Perfect for extended family, guest stays, or rental income. Our ADUs meet California regulations and blend beautifully with your main residence.

  • Second-Story Expansions – Increase your living space without giving up your yard. A great choice for growing families and those wanting to stay in their current neighborhood.

  • Garage Additions & Conversions – Add a new garage or turn existing garage space into an office, gym, guest suite, or income-generating rental unit.

Why Moraga Homeowners Choose Mares & Dow Construction & Skylights

We’ve helped homeowners across Moraga—from Campolindo to Rheem Valley—maximize their space without compromising the natural beauty or architectural integrity of their homes.

 

Here’s why local families trust us:

  • Over 40 Years of Local Experience – Proudly building in the East Bay since 1983

  • Full-Service Design/Build Team – One dedicated team from planning through final inspection

  • Superior Craftsmanship – High-end finishes and durable materials

  • Eco-Conscious Building – Energy-efficient options that align with Moraga’s environmental values

  • Complete Project Management – We take care of permits, timelines, and inspections so you don’t have to

 

Visit our Residential Project Portfolio to see examples of our work and gather inspiration for your project.

Seamless Design, Flawless Execution

Whether you’re building up, out, or adding an ADU, we guide you through every step—from architectural design and material selection to final walkthrough. Our process ensures your project runs smoothly and results in a space your family will love for years to come.

 

Want to learn more about who we are and how we work? Visit our About Us page to meet the team.

Ready To Expand Your Home In Moraga?

Stop searching for a “home addition contractor near me” and choose the experienced team trusted by homeowners across Moraga and the East Bay. Contact Mares & Dow Construction & Skylights today to schedule your free consultation and get started on your Moraga home addition.  Get in touch today!

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