General Contractors, Home Remodeling & Skylight Installations
Home Renovation Contractors in Alamo, CA
Serving San Francisco and East Bay Since 1983
Transforming Alamo Homes with Care, Craftsmanship & Vision Since 1983
Your home should reflect your lifestyle, support your routines, and grow with your family. If you’re a homeowner in Alamo, CA, looking to upgrade or expand your living space, Mares & Dow Construction & Skylights is your trusted partner for high-quality, stress-free renovations.
For over 40 years, we’ve helped East Bay homeowners reimagine kitchens, revitalize bathrooms, expand living areas, and improve home exteriors—always with a focus on precision, durability, and beauty.
Whole-Home Renovation Services in Alamo
From structural improvements to stunning design finishes, we handle every detail of your renovation with expert care. Whether modernizing a dated layout or expanding your home for a growing family, our team is here to make your vision a reality.
Our home renovation services in Alamo include:
Kitchens & Bathrooms – Beautiful, functional, and tailored to your lifestyle
Home Additions & Expansions – Seamless transitions that feel original to your home
Finished Basements & Attics – Turn underutilized spaces into comfortable, usable square footage
Windows, Doors & Siding – Boost energy efficiency and curb appeal
Decks, Patios & Porches – Create outdoor living spaces perfect for Alamo’s sunny weather
Skylight Installation – Let natural light flood your favorite rooms
Garage & Bonus Room Conversions – Add value without increasing your home’s footprint
We also offer structural services such as foundation repair, dry rot correction, and basement waterproofing to protect your investment from the ground up.
Why Alamo Homeowners Choose Mares & Dow Construction & Skylights
We’re not just contractors—we’re your long-term renovation partners. Our team of licensed carpenters, electricians, and lighting professionals is dedicated to creating spaces you’ll love to live in for years to come.
Here’s why our clients keep referring us:
Over 40 years of local experience in Alamo and surrounding communities
Top-tier certifications from manufacturers like Grip-Tite, James Hardie, and VELUX
Start-to-finish project management—including design guidance, permitting, and final inspection
Exceptional customer satisfaction, with referrals making up over half of our new clients
Whether you’re revitalizing a single room or rethinking your entire home layout, we bring vision, value, and craftsmanship to every renovation.
Ready to Renovate Your Alamo Home?
Let’s turn your current house into the home you’ve always wanted. Contact Mares & Dow Construction & Skylights today to schedule your free, no-obligation consultation in Alamo, CA.
Call our East Bay office at (925) 671-9500 or our San Francisco office at (415) 447-6136, or reach out online.
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Home Renovation Contractors Service Area
Frequently Asked Questions About Our Home Renovation Services in Alamo, CA
We offer complete renovation services, including kitchen and bathroom remodels, home additions, basement and attic conversions, window and door replacement, decks and patios, siding upgrades, skylight installation, and structural repairs.
Yes, Mares & Dow Construction & Skylights is fully licensed and insured in the state of California. All work is completed to code, with safety, quality, and compliance as top priorities.
Absolutely. We offer free, no-obligation consultations in Alamo, CA. We’ll visit your home, discuss your ideas, and provide a detailed proposal based on your goals and budget.
Yes. We take care of all necessary permitting with Contra Costa County and the Town of Danville/Alamo area to ensure your renovation is fully compliant with local building codes and regulations.
Yes, we specialize in designing and building home additions that seamlessly integrate with your existing home. Whether it’s a new bedroom, guest suite, or expanded kitchen, we ensure the addition feels original to your property.
With over 40 years of experience, we bring unmatched craftsmanship, attention to detail, and honest communication. Our full-service approach, high-quality materials, and local reputation for reliability make us a preferred choice in Alamo.
Timelines vary depending on the scope. A bathroom remodel may take a few weeks, while a full-home renovation or major addition could take several months. We provide realistic timelines and keep you informed throughout the process.
Yes. We prioritize sustainable upgrades such as energy-efficient windows, insulated siding, skylights, LED lighting, and smart home features that help reduce energy usage and utility costs.
Absolutely. We frequently convert garages, finish basements, and repurpose attics into livable spaces such as home offices, guest rooms, and entertainment areas—all while maintaining comfort, ventilation, and code compliance.
Yes. We are experienced in updating and modernizing older homes in Alamo while preserving their architectural character. Whether it’s structural reinforcement, layout redesign, or period-appropriate finishes, we’re equipped to handle it.
We use only high-quality, long-lasting materials sourced from trusted brands like James Hardie, VELUX, and Grip-Tite. Every material we use is selected for durability, efficiency, and visual appeal.
Call our East Bay office at (925) 671-9500, our San Francisco office at (415) 447-6136, or contact us online. We’ll schedule a free consultation and guide you through the process step-by-step.
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