If you’re searching for trusted ADU builders in Menlo Park or “ADU contractors near me,” you’re in the right place. King David Home Builders specializes in designing and building high-quality Accessory Dwelling Units that add space, value, and flexibility to your property
Over 30 years of experience, 100+ ADUs built, and fully licensed, bonded, and insured.
Homeowners across Menlo Park trust us because we bring:
✔ Full-service ADU design + build
✔ Permitting & local compliance handled for you
✔ Custom architectural plans & 3D modeling
✔ Expert guidance through Menlo Park zoning & ADU regulations
✔ High-quality craftsmanship & premium finishes
✔ Transparent timelines and competitive pricing
You deserve an ADU builder who understands local requirements and provides a smooth, efficient building experience from start to finish.
Take a look at some of our recently completed custom homes across Santa Clara and the surrounding Bay Area. Each project showcases our commitment to high-end design, quality materials, and expert craftsmanship.






✔ ADU Design & Architectural Planning
Smart, functional layouts created by experts who understand Menlo Park zoning laws. We develop floor plans, exterior styles, and modern interiors designed to maximize comfort and efficiency.
✔Garage Conversions in Menlo Park
Turn an unused garage into a beautiful rental unit, guest suite, or studio with complete redesign, structural upgrades, plumbing, electrical, and insulation.
✔ Detached ADU Construction
Custom standalone backyard ADUs built with durable materials, efficient layouts, and high-end finishes—perfect for guests, tenants, or family members.
✔ Attached ADUs & Home Extensions
Expand your living space by adding a connected ADU that enhances privacy, accessibility, and flow.
✔ Junior ADUs (JADUs)
Cost-effective, space-saving units built within your existing home footprint while complying with California JADU laws.
✔ Permit Management & Local Compliance
We handle Menlo Park permitting, inspection coordination, Title 24 requirements, and all city regulations, so your ADU is fully legal and stress-free.
We proudly serve:
If you’re searching for “ADU builders near me,” “Menlo Park ADU contractors,” or “best ADU builders in the Bay Area,” King David Home Builders has the expertise you can trust.
ADU costs in Menlo Park typically range from $180,000 to $450,000+, depending on size, design, materials, and whether it’s a garage conversion, detached ADU, or attached unit. After a consultation, we provide a detailed estimate based on your property and goals.
Yes. Menlo Park requires permits for all ADU types. This includes architectural reviews, structural plans, Title 24 energy compliance, and inspections. King David Home Builders handles all permitting and city approvals for a stress-free process.
Most ADUs take 8–12 months from initial design to final completion. Detached ADUs may take slightly longer due to foundational work. Garage conversions can be completed more quickly depending on condition.
A JADU is built within the footprint of the existing home, usually 500 sq. ft. or less, while a traditional ADU is a separate structure or attached addition. JADUs cost less but offer limited layout flexibility. We build both depending on your needs.
Yes. We can connect you with ADU financing partners who offer HELOCs, renovation loans, and ADU-specific financing options to make the project more affordable.
It’s simple. Schedule a free consultation and we’ll evaluate your property, discuss your goals, and create a custom ADU plan that fits your budget and timeline.
Get a Free Consultation with ADU Builders in Menlo Park
Ready to unlock the full potential of your property? As trusted ADU builders in Menlo Park, we deliver high-end accessory dwellings that blend design, value, and practicality.
Schedule a free consultation today and see how we can bring your ADU vision to life—on time, on budget, and with exceptional care.