Los Altos Hills ADU Developer — Garage, Home, and Backyard Builds.
About SYMBiHOM in Los Altos Hills
Los Altos Hills is a unique ADU market — large parcels, established single-family estates, and a community that values privacy and independence. A garage conversion, a home conversion, or a detached backyard ADU can serve a multigenerational household without altering the character of the property. SYMBiHOM is a CA HCD approved ADU Design-Build Developer serving Los Altos Hills homeowners.
Our Credentials in Los Altos Hills
SYMBiHOM's plans are CA HCD approved and compatible with Los Altos Hills' participation in the Santa Clara County ADU Plans Gallery. We are also the only pre-approved garage conversion builder on the City of San José's vendor list.
Permitting in Los Altos Hills
Los Altos Hills requires a mandatory pre-application meeting ($410) before a building permit application can be submitted. Maximum ADU height is 16 feet at 4-foot setbacks. We coordinate this process as part of your project — you do not manage the permit process yourself.
Animation of Symbihom’s Garage Conversion
What We Build
• Attached or detached garage conversion — studio, 1BR, or 2BR, 300–850 sq. ft.
• Junior ADU (JADU) — attached garage, up to 500 sq. ft.
• Home conversion — convert underutilized interior space into a fully permitted ADU
• Backyard ADU — new detached unit on your existing lot
• State-approved factory-built panel system
• Fully customizable finishes — cabinetry, flooring, fixtures
• ADA-accessible design available
• Sub-metered electricity and water available
Timeline
Typical build: 4–6 weeks after permits are issued. Designs are customizable across garage conversions, home conversions, and backyard ADUs.
Is Your Property Eligible?
The lot must be zoned residential with an existing single-family home or duplex, and must not be located in a geohazard, landslide, flood zone, or Wildland-Urban Interface area. The property must not have an open Code Enforcement violation.
Not sure if your property qualifies? Fill out the form below. We check zoning and flag any issues before you spend anything.