Sunnyvale ADU Developer — Garage, Home, and Backyard Builds.
About SYMBiHOM in Sunnyvale
Sunnyvale is one of Santa Clara County's most active ADU markets, with 341 permits issued since 2017 and 72 in 2024 alone. The city offers flexible parking exemptions and a well-established permitting path for garage conversions, home conversions, and new backyard units. SYMBiHOM is a CA HCD approved ADU Design-Build Developer serving Sunnyvale homeowners.
Our Credentials in Sunnyvale
SYMBiHOM's plans are CA HCD approved and eligible for the streamlined permitting pathway available to Sunnyvale homeowners through the Santa Clara County ADU Plans Gallery. We are also the only pre-approved garage conversion builder on the City of San José's official vendor list.
Permitting in Sunnyvale
Sunnyvale participates in the Santa Clara County Planning Collaborative ADU Plans Gallery. The city offers ADU-friendly permitting with flexible parking exemptions. Plan-check typically runs 4–8 weeks.
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.