Ready to Update Your Floor Plan?

Speak to our home addition contractors in the San Jose & Gilroy, CA area

You don’t have to move to get the space you need. We offer custom home additions to property owners in San Jose, Peninsula, Oakland, San Francisco, CA and the Bay Area. Whether you dream of a small addition, a large addition or a whole second floor, A&O Construction has got you covered.



Discuss your project with our home addition contractors to get started.

Expand your living space

If you’re searching for home addition contractors you can rely on, turn to the team at A&O Construction.

Trust us to...

• Go over your vision and budget
• Create a design and architectural plan for accurate engineering work
• Obtain the necessary permits to start building
• Complete your custom home addition project
• Remove any debris from your job site before we leave

Call 408-687-2615 now to schedule your design consultation. We look forward to hearing from you.