ADU Builders in Union City, CA
If you are planning to build an ADU in Union City, working with an experienced design-build company makes the process easier, faster, and more predictable.
ADU Builders in East Palo Alto
Enhance your property with a custom-built ADU—designed, permitted, and built by trusted local experts in East Palo Alto and the Bay Area.
A Design-Build ADU Company in Union City — One Team From Start to Finish
Many homeowners struggle with ADU projects because they hire separate designers, engineers, and contractors. King David Home Builders uses a true design-build approach, meaning your entire project is managed by one experienced team.
This allows us to:
Reduce permit delays
Control construction costs
Maintain consistent quality
Avoid miscommunication
Finish projects faster
Our Union City ADU builders coordinate directly with architects, structural engineers, and city officials so you don’t have to manage multiple companies.
Custom Homes We’ve Built in Union City
Take a look at some of our recently completed custom homes across East Union City and the surrounding Bay Area. Each project showcases our commitment to high-end design, quality materials, and expert craftsmanship.
Building an ADU in Union City – Important Considerations
Union City zoning and building codes are among the most complex in California. From maximum unit sizes and setback requirements to design guidelines and height limits, local rules must be navigated carefully. Our team is familiar with:
Local zoning requirements for single-family and multi-family lots
Maximum ADU sizes (up to 1,000 sq. ft. for detached units)
Required setbacks and parking regulations
Permitting procedures with the City of Palo Alto
Sustainability and Title 24 energy compliance standards
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.
Why Union City Homeowners Choose King David Home Builders
We are not a volume builder. We focus on quality, planning, and long-term value, which is why many homeowners choose us for ADU construction in Union City.
What makes us different:
✔ True Design-Build Company
✔ Bay Area ADU Specialists
✔ Permit & Planning Experts
✔ High-End Construction Quality
✔ Clear Timeline & Budget
✔ Custom Architecture — No Templates
✔ Dedicated Project Manager
✔ Fully Licensed & Insured
Our goal is to make your ADU project smooth, predictable, and built to last.
Our ADU Building Process in Union City
Site Evaluation & Feasibility Check
Design & Planning
Permitting & Approvals
Construction Begins
Final Walkthrough & Move-In
Frequently Asked Questions About ADUs in Union City
Yes. Every ADU requires permits and inspections. We handle the entire approval process.
Detached ADUs usually provide the highest value because they offer full privacy and rental potential.
In most cases yes, but zoning rules apply. We check your property before starting design.
We work with trusted lenders who specialize in ADU construction loans. Ask us about financing options during your consultation.
Not with us. We provide full in-house architecture and design services, streamlining your project and saving you time and cost.
Get a Free Consultation with ADU Builders in East Palo Alto
Ready to unlock the full potential of your property? As trusted ADU builders in East, 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.
