ADU Permitting in Los Gatos, CA

GS Design and Build handles ADU permitting for homeowners in San Jose and Menlo Park.

Call (415) 933-2547
  • Accurate, complete plan packages that reduce the risk of city rejection or resubmittal cycles
  • Zoning and setback review done before design work begins, catching issues early
  • Coordination with San Jose and Menlo Park reviewers so you do not have to manage city correspondence
  • Plans prepared to meet both California state ADU law and local county requirements
  • Permit liability stays with the licensed contractor, protecting you as the property owner
  • Garage conversion, detached ADU, and junior ADU permitting handled under one team
A newly permitted detached accessory dwelling unit in a San Jose residential backyard, showing a finished exterior with a side entry door and landscaped pathway. The structure sits within required setbacks on a single-family lot typical of the San Jose and Menlo Park area.

Expert ADU Permitting in Los Gatos, CA

ADU permitting in San Jose and Menlo Park involves more steps than most homeowners expect. GS Design and Build manages the full permitting scope for your accessory dwelling unit, from zoning and feasibility checks to plan preparation and city submittal. We confirm setbacks, lot coverage, and overlay conditions before a single drawing is made. In San Jose, the city will not process inaccurate or incomplete plans, so every document in your submittal package must be correct the first time. Menlo Park sits in San Mateo County and carries its own local design review standards on top of California state law. We prepare code-compliant plans that meet both city and county requirements, coordinate with reviewers, and respond to any correction requests on your behalf. Whether you are adding a detached backyard unit, converting a garage, or building a junior ADU within your existing home, we keep the process moving without putting the paperwork burden on you. Call us to get your project started.

What's included

  • Accurate, complete plan packages that reduce the risk of city rejection or resubmittal cycles
  • Zoning and setback review done before design work begins, catching issues early
  • Coordination with San Jose and Menlo Park reviewers so you do not have to manage city correspondence
  • Plans prepared to meet both California state ADU law and local county requirements
  • Permit liability stays with the licensed contractor, protecting you as the property owner
  • Garage conversion, detached ADU, and junior ADU permitting handled under one team
15+ Years Residential Construction Experience
Family-Owned and Operated
ADU Specialists
Full Remodel Services
Multi-City Service Coverage

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ADU Permitting FAQ

Common questions about adu permitting in Los Gatos, CA.

Yes, we pull the permit on your behalf as the licensed contractor. This keeps the permit liability with our team, not with you as the property owner.

We gather what is needed, including a site plan, floor plans, elevations, and a utility plan specific to your Menlo Park property. Our team reviews your lot conditions before preparing any documents.

Most single-family residential lots in San Jose qualify for at least one ADU. We check your zoning, lot coverage, setbacks, and any special overlays like hillside or floodplain designations before moving forward.

Yes, Menlo Park does not require you to replace off-street parking when you convert a garage into an ADU. We confirm this and any other site-specific conditions during our initial review.

We handle all plan review correction responses and resubmittals directly with the city. You do not need to manage that back-and-forth yourself.

No, California law prohibits HOAs from blocking or unreasonably restricting ADU construction on single-family lots in Menlo Park. We can help you move forward even if your HOA raises concerns.

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What Santa Clara County homeowners say.

4.9
52 Google reviews

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From our very first appointment with Gershon, we felt confident we were in excellent hands. He listened carefully to what we wanted, offered thoughtful design suggestions, and walked us through the process and timeline in a clear, transparent way. Every step—from initial design and planning to the finishing touches—was handled smoothly, with consistent updates so we always knew what was happening next. The crew that worked on our home was hard working, professional, and very knowledgeable. They arrived on time, respected our home, and kept the work area as tidy as possible, which we really appreciated. The finished kitchen looks fantastic and functions even better than we hoped and the quality of the workmanship really stands out. Friends and family have already commented on how beautiful and well thought-out the space is. We would not hesitate to hire GS Design & Build again for future projects. If you’re looking for a top-tier contractor for your home remodeling, GS Design & Build are an outstanding choice.

Charles Decker, DC, ACN Google review · June 2026

GS Design and build did an amazing job uplifting my garage. Gheri was the most responsive of the contractors I got quotes from and he was very quick to respond with a reasonable estimate. He was always reachable and ensured the team was very punctual. His crew did a great job completing the job and handling surprises. I didn’t have to contact Gheri for anything during the job. The final work quality was great and my garage looks great! I will highly recommend GS Design and Build for your home improvements Update: i did a bathroom remodel with them 6 months after the garage upgrade and it was amazing! The team has remained consistent with their quality and workmanship!

viswanathan vaidyanathan Google review · June 2026

We used GS Design and Build for a room addition in Redwood City and couldn’t be happier. Geri helped us figure out the best layout for our new sunroom and made sure the style blended with the rest of our house. Her crew worked clean and fast, and everything passed inspection the first time. The project wrapped up on schedule and within our budget. The space gets amazing light and has quickly become our favorite part of the house. If you’re in the market for a room addition contractor who truly listens and executes, don’t look any further.

Ronda Richardson Google review · September 2025

Just got my home addition done! GS design helped us build a new bathroom and a new master bed in new construction. Everything was fully licensed and Geri managed everything at his end. I found Geri on Nextdoor and was nervous before signing him up but to my surprise, I couldn’t have asked for more! He has a lovely team of people who specialize in what they do. Geri cared for me and made sure I am satisfied at each step. He gave me a good run down of what he plans to do in the coming week which was very satisfying. Geri’s rates were also very competitive and he was reasonable when the work order changed. What I liked about Geri a lot is also that his interior designing skills are also very strong so he guided us when the size of the window was off or in making lovely choices of the flooring. You can trust Geri blindly and go with him. You will not regret it. Thanks Geri, for all the great work.

Vedant Dhandhania Google review · April 2022

We live in Redwood City and reached out to GS Design and Build for a second-story room addition. Geri coordinated with our structural engineer and managed the project with confidence. We were impressed with how smoothly everything went. Her communication throughout the process was excellent. The new space has completely transformed our home and given us the extra flexibility we needed. Top-notch room addition contractor and a pleasure to work with.

Deanna Callison Google review · September 2025

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Hours

  • Monday 8:00 AM - 7:00 PM
  • Tuesday 8:00 AM - 7:00 PM
  • Wednesday 8:00 AM - 7:00 PM
  • Thursday 8:00 AM - 7:00 PM
  • Friday 8:00 AM - 7:00 PM
  • Saturday Closed
  • Sunday Closed

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15+ Years Residential Construction Experience
Family-Owned and Operated
ADU Specialists
Full Remodel Services
Multi-City Service Coverage
Call (415) 933-2547

Mon–Fri 8:00 AM - 7:00 PM · Sat Closed · Responses within 2 hrs