Our Service Area
Design + Build & Remodeling Across Silicon Valley & The Mid-Peninsula
Since 1985, Harrell Design + Build has been designing, remodeling and building room and home additions, bathrooms, kitchens, media and in-home theaters, wine cellars and whole-house transformations throughout the Bay Area. We are very proud to be able to offer you a full range of Design + Build services that we know will meet and exceed your remodeling expectations.
When you choose a design-build firm, local presence matters. Every municipality in our service corridor, from the strict Floor Area Ratio (FAR) guidelines in Palo Alto to the heritage tree protections in Los Altos and fire-defensible codes in Woodside, demands deep local knowledge.
Interactive Map: Explore Our Projects Near You
With hundreds of completed transformations across the region, there is a very good chance we’ve designed or remodeled a home on your street or in your immediate neighborhood. Click here to see where we’ve worked in your neighborhood.
Use the map below to zoom into your specific neighborhood and explore nearby whole-home remodels, kitchen transformations, and custom room additions.
Where We Build: Our Primary Service Corridor
While our office and design showroom reside in Mountain View, our teams are actively working on-site throughout the Silicon Valley and Mid-Peninsula regions every single day.
Core Peninsula & South Bay Hubs
- Palo Alto: Specializing in Eichler modernizations, high-density lot optimizations, and custom whole-home transformations compliant with city design review standards.
- Mountain View: Whole-home refreshes, primary suite sanctuaries, and open-concept living additions.
- Los Altos & Los Altos Hills: Estate-scale renovations, luxury kitchen redesigns, and seamless ground-floor expansions.
- Menlo Park: Craftsman updates, modern additions, and complete indoor-outdoor living integration.
Peninsula Estate & Foothill Communities
- Atherton: Custom luxury remodels, high-end guest suites, and estate transformations.
- Woodside: Rural integration, fire-wise construction, and architectural estate expansions.
- Portola Valley: Fire-resilient exterior upgrades, scenic room additions, and sustainable architectural design.
- Redwood City: Whole-home floor plan reconfigurations, kitchen transformations, and secondary story additions.
Greater South Bay Communities
- San Jose (Willow Glen, West San Jose, Almaden): Ranch home modernizations, second-story additions, and kitchen/bath updates.
- Saratoga: Hillside expansions, custom entertaining kitchens, and spa-inspired primary bathrooms.
- Los Gatos: Historic home preservation, structural additions, and modern family living spaces.
Don’t see your exact town listed? If you are located nearby on the Mid-Peninsula or in Silicon Valley, reach out–we frequently take on exceptional projects in surrounding pockets.
Why Local Expertise Matters in Bay Area Remodeling
Transforming a home in Northern California is very different from standard construction elsewhere in the country. Our fully integrated Design + Build team navigates the technical complexities so you can focus on the fun part, reimagining your living space.
- Municipal Code Mastery: Every city has its own zoning quirks, setback rules, and architectural review requirements. We handle all city filings, plan checks, and permit approvals directly with local planning departments.
- Seismic & Structural Safety: Bay Area homes, especially mid-century ranch homes, require engineered seismic retrofitting when removing load-bearing walls or adding a second floor.
- Title 24 & Sustainability Compliance: California sets high standards for energy efficiency. We incorporate smart heating and cooling, advanced insulation, and eco-friendly materials seamlessly into your design.
- Respecting Neighborhood Character: Whether working in a deed-restricted enclave or an established historic district, we design additions and exterior updates that look like an organic extension of your home’s original character.
“We Never Forget It’s Your Home®”
As an employee-owned company, every architect, interior designer, estimator, and project manager on our team has a personal stake in your satisfaction. We treat your property, your family, and your neighborhood with the care and respect they deserve.
Ready to Reimagine Your Home?
Whether you’re exploring a room addition in Menlo Park, a kitchen overhaul in Mountain View, or a whole-home remodel in Saratoga, our design team is ready to walk you through the possibilities.

