Award Winning Agency
Welcome to 9ADU !
Discover the beauty and functionality of Accessory Dwelling Units.
Find your perfect ADU and transform your living space.
Top-Rated Performance
Our BuildZoom score of 106 places us in the top 7% of over 336,000 contractors in California.
Licensed & Verified
We are a fully licensed California contractor, with credentials verified by the California State License Board.
Specialized Expertise
As a dedicated ADU builder, we focus exclusively on accessory dwelling units, ensuring tailored designs and efficient execution.
Comprehensive Services
From permitting and design to construction and finishing, we handle every step of the ADU process.
Local Knowledge
Based in Daly City, we understand the specific zoning laws and building codes throughout the Bay Area.
Custom Solutions
Every ADU we build is designed to meet your unique space, style, and budget needs.
Why choose us?
Why Choose Us to Build Your ADU
- Veteran-, Minority-, and Woman-Owned – We proudly represent diversity and resilience, bringing unique perspectives, integrity, and dedication to every project.
- Specialized ADU Expertise – 9ADU focuses exclusively on building accessory dwelling units, ensuring streamlined, knowledgeable service from start to finish.
- Licensed & Trusted – Fully licensed in California with a verified record through the California State License Board.
- Top Contractor Ranking – With a BuildZoom score of 106, we rank in the top 7% of over 336,000 contractors in the state.
- Full-Service Project Management – From design and permits to construction and final inspection, we handle every step.
- Local Code Knowledge – Based in Daly City, we are deeply familiar with Bay Area zoning laws and building requirements.
- Craftsmanship You Can Trust – Led by Kiley Gabriel Kaan Ayoso, our team brings years of hands-on experience and attention to quality.
- Clear Communication & Fair Pricing – We keep you informed with transparent updates and competitive quotes—no surprises.
How can we assist you?
We are here to help you with any questions or concerns you may have. Please feel
Frequently Asked Questions
Why choose an ADU?
ADUs provide a range of benefits, including additional income potential, increased property value, and flexible living arrangements for family members
How much does it cost to build an ADU?
The cost of building an ADU can vary depending on factors such as size, design, materials, and location. It is recommended to consult with a contractor
Are ADUs legal in my area?
ADU regulations vary by location. It is important to check with your local zoning department or
What are the different types of ADUs?
There are several types of ADUs, including detached ADUs, attached ADUs, garage conversions, and basement conversions. Each type has its own
What is an ADU?
An Accessory Dwelling Unit (ADU) is a secondary housing unit that can be built on the same lot as a primary residence. It is a separate living space with its own entrance, kitchen,
Need more information?
If you have any questions or need further assistance, feel free to reach out to us.
200+
ADU Remodeled
15+
15 Years of ADU Renovation Experience
100+
Our team comprises skilled professionals with years of experience in ADU renovation. From designers to contractors, each member is committed to delivering exceptional results tailored to your vision.