General Contractors, Home Remodeling & Skylight Installations
Home Additions In Berkeley, CA
Custom Additions Built To Fit Your Life & Style Since 1983
Add More Living Space Without Leaving the Home You Love
Is your Berkeley home starting to feel a bit tight? Whether you need space for a growing family, a home office, or simply want to upgrade your daily comfort, Mares & Dow Construction & Skylights is here to help. Since 1983, we’ve been building seamless, stylish home additions that respect the character of each home and neighborhood, especially in unique communities like Berkeley.
Our design-build team delivers personalized solutions that enhance functionality, increase square footage, and add long-term value, while preserving the charm and individuality of your home.
Types Of Home Additions We Build In Berkeley
Every addition we create is custom-built to reflect the architectural style of your Berkeley home and the way you live.
We specialize in:
Primary Suite Additions – Expand your space with a peaceful retreat that includes spa-like bathrooms, large closets, and custom layouts that feel just right.
Accessory Dwelling Units (ADUs) – Whether you’re building for family, guests, or additional income, our ADUs are crafted to align with California’s evolving ADU requirements and Berkeley’s zoning standards.
Second-Story Expansions – Add space vertically without losing your garden or yard—a smart solution for many classic Berkeley lots.
Garage Additions & Conversions – Create a new garage or turn an existing one into a functional space like a home office, art studio, or private rental.
Why Berkeley Homeowners Choose Mares & Dow Construction & Skylights
We’ve helped homeowners throughout Berkeley and the East Bay reimagine their space through thoughtful, high-quality additions. Here’s why our clients choose us:
Over 40 Years of Experience – Locally trusted since 1983
Full-Service Design/Build – One team guiding your project from idea to completion
Smooth, On-Time Delivery – Streamlined schedules with no compromise on quality
Eco-Friendly Focus – Sustainable materials and energy-efficient solutions built in
We Handle It All – Permits, inspections, timelines—we manage the details so you don’t have to
Explore our Residential Project Portfolio to see how we blend form and function in every home we touch.
Seamless Design, Flawless Execution
Whether you’re expanding up, out, or adding a stand-alone ADU, our team takes care of everything—from architectural design and permits to material selection and construction. We’re here to make the process easy and the results exceptional.
Want to get to know our team better? Visit our About Us page to learn more about our experience and philosophy.
Ready To Expand Your Home In Berkeley?
Stop searching for a “home addition contractor near me.” Partner with the experienced team that’s been serving Berkeley and the surrounding East Bay communities for over four decades. Contact Mares & Dow Construction & Skylights today to schedule your free consultation and start planning your Berkeley home addition. Get in touch today!
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