Custom ADU Builders in San Mateo, California
Over 30 years of experience, 100+ ADUs built, and fully licensed, bonded, and insured
Custom ADU Builders in San Mateo, California
Over 30 years of experience, 100+ ADUs built, and fully licensed, bonded, and insured.
Expert ADU Design & Construction in San Mateo
With over 10 years of experience, King David Home Builders is the go-to choice if you’re searching for a reliable ADU builder near me in San Mateo. Whether you’re planning a rental unit, a cozy granny flat, or a stylish guest house, we design and build custom Accessory Dwelling Units tailored to your needs and budget. From design and permits to full construction, we deliver high-quality results—on time and within budget. Let’s turn your ADU vision into reality!
San Mateo Projects
Take a look at some of our recently completed custom homes across San Mateo and the surrounding Bay Area. Each project showcases our commitment to high-end design, quality materials, and expert craftsmanship.
Building an ADU in San Mateo – Important Considerations
Building an Accessory Dwelling Unit (ADU) in San Mateo is a smart investment, but it requires careful planning. Whether you’re adding a rental unit, guest suite, or in-law cottage, here are key factors to consider:
1. Zoning and Lot Requirements
2. Permitting Process
3. Design and Functionality
4. Budget and ROI
5. Utility Connections
6. Parking Requirements
Partnering with an experienced San Mateo ADU builder, like King David Home Builders, ensures a smooth process from design to move-in. We’ll help you navigate the legal, financial, and design aspects, so your new ADU adds real value to your property.
Our ADU Building Process in San Mateo
Site Evaluation & Feasibility Check
Design & Planning
Permitting & Approvals
Construction Begins
Final Walkthrough & Move-In
Frequently Asked Questions About ADUs in San Mateo
ADU costs vary based on size, design, and site conditions. We provide transparent, detailed estimates upfront.
From consultation to completion, most ADUs are built within 7–12 months depending on complexity.
Yes—our team assesses each lot’s potential and explores all legal options, including JADUs or garage conversions.
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 San Mateo
Ready to unlock the full potential of your property? As trusted ADU builders near me in San Mateo, 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.
