Best ADU Builders in Sunnyvale
Looking for the best ADU home builders in Sunnyvale? Our expert team specializes in designing and building custom accessory dwelling units that add value, space, and functionality to your property.
ADU Builders in Palo Alto
Enhance your property with a custom-built ADU—designed, permitted, and built by trusted local experts in Palo Alto and the Bay Area.
Best ADU Builders in Sunnyvale
Looking for the best ADU home builders in Sunnyvale? Our expert team specializes in designing and building custom accessory dwelling units that add value, space, and functionality to your property.
Explore Custom ADUs Portfolio in Sunnyvale and surrounding areas
Explore our portfolio of beautifully crafted custom ADUs in Sunnyvale and surrounding areas. From modern backyard cottages and in-law suites to stylish rental units and garage conversions.
What to Consider When Building an ADU in Sunnyvale
Zoning & Permits – Ensure your property meets Sunnyvale’s zoning requirements and secure the proper permits before starting.
Lot Size & Setbacks – Check minimum lot size and required distances from property lines, main house, and other structures.
ADU Size Limits – Understand the maximum square footage allowed for attached or detached ADUs in your area.
Parking Requirements – Know if additional parking is needed or if exemptions apply based on proximity to public transit.
Utility Connections – Plan for separate or shared connections for water, sewer, and electricity.
Design Compatibility – Match the ADU’s style and materials to your existing home for a cohesive look.
Construction Costs – Budget for all phases including design, permits, materials, labor, and inspections.
We guide you through the entire process and handle all the red tape so you can enjoy the benefits of your new space, stress-free.
Our ADU Building Process in Sunnyvale
Site Evaluation & Feasibility Check
Design & Planning
Permitting & Approvals
Construction Begins
Final Walkthrough & Move-In
Frequently Asked Questions About ADUs in Sunnyvale
An ADU (Accessory Dwelling Unit) is a secondary residential unit on a single-family or multi-family lot. It can be detached, attached, or a garage conversion.
Yes, ADUs are legal in Sunnyvale and supported by California state law. However, your property must meet certain zoning and building code requirements.
Detached ADUs can be up to 1,200 sq. ft., while attached units are limited to 50% of the main home’s size, with some exceptions based on lot size.
ADU costs vary based on size, design, and site conditions. We provide transparent, detailed estimates upfront.
Absolutely. We handle all permitting and inspections with the City of Palo Alto on your behalf.
We work with trusted lenders who specialize in ADU construction loans. Ask us about financing options during your consultation.
King David Home Builders specializes in custom ADU design and construction—contact us for a free consultation!
Get a Free Consultation with ADU home builder Sunnyvale
Ready to maximize your property’s potential in Sunnyvale? At King David Home Builders, we specialize in designing and building high-quality ADUs that seamlessly blend style, function, and long-term value.
Schedule a free consultation today and see how we can bring your ADU vision to life—on time, on budget, and with exceptional care.
