General Contractors, Home Remodeling & Skylight Installations
Home Renovation Contractors in Hercules, CA
Serving San Francisco and East Bay Since 1983
Elevating Hercules Homes with Craftsmanship, Care & Vision Since 1983
Your home in Hercules, CA, should be more than just a place to live—it should support your lifestyle, reflect your taste, and grow with your needs. At Mares & Dow Construction & Skylights, we specialize in creating beautiful, functional spaces that stand the test of time. Whether you’re looking to renovate a single room or reimagine your entire home, we’re here to guide you every step of the way.
For over 40 years, we’ve helped East Bay homeowners, from the waterfront neighborhoods of Hercules to the hillside homes, enhance their properties through thoughtful design, quality construction, and stress-free project management.
Complete Home Renovation Services in Hercules
We understand the unique charm and potential of homes in Hercules. From early 20th-century bungalows to more modern builds, our team brings precision, care, and creativity to every renovation.
Our Hercules remodeling services include:
Kitchens & Bathrooms – Designed with functionality, flow, and style in mind
Home Additions & Expansions – Blend new spaces seamlessly with the original architecture
Finished Basements & Attics – Convert underutilized areas into valuable living space
Windows, Doors & Siding – Improve energy efficiency and exterior appeal
Decks, Patios & Porches – Enjoy Hercules’ mild weather with upgraded outdoor living
Skylight Installation – Invite natural light into your favorite rooms
Garage & Bonus Room Conversions – Add bedrooms, offices, or living areas without expanding your footprint
We also offer essential structural services such as foundation repair, dry rot correction, and basement waterproofing, ensuring your home is protected from the ground up.
Why Hercules Homeowners Choose Mares & Dow Construction & Skylights
We’re not just general contractors—we’re trusted renovation partners. Our licensed team includes experienced carpenters, electricians, and lighting professionals who take pride in delivering beautiful results on time and within budget.
Here’s why Hercules homeowners continue to refer us:
Over 40 years of remodeling expertise throughout the East Bay
Certified by leading manufacturers like Grip-Tite, James Hardie, and VELUX
Complete project oversight—from design and permits to inspections and finishing touches
A stellar reputation for quality and client satisfaction—referrals make up over half our business
No matter the size or scope of your project, we bring dedication, craftsmanship, and attention to detail to every home we touch.
Ready to Renovate Your Hercules Home?
Let’s bring your vision to life. Contact Mares & Dow Construction & Skylights today to schedule a free, no-obligation consultation in Hercules, CA.
📞 East Bay Office: (925) 671-9500
📞 San Francisco Office: (415) 447-6136
📨 Or reach out online to get started.
Helpful Links:
Home Renovation Contractors Service Area
Frequently Asked Questions About Our Home Renovation Services In Hercules, 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 Hercules, 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/Hercules 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 Hercules.
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 Hercules 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.
based on 
