Sunnyvale ADU Builder.
tech corridor, flat lots.
Sunnyvale ADU work moves through the City of Sunnyvale Community Development department. The flat South Bay lot pattern, predictable R1 setbacks, and an efficient building department make Sunnyvale a good ADU jurisdiction.
Licensed California contractor · CSLB #1098432 · Bay Area desk · City of Sunnyvale Community Development
About ADU work in Sunnyvale
We deliver ADUs across the Heritage District, Birdland, Cherry Chase, Ortega, and Lakewood Village — with Peninsula-finish expectations and predictable plan-check.
What the Sunnyvale ADU math actually looks like.
- Permit timeline
- 4–6 months
- 1BR ADU rent (Sunnyvale)
- $2,800–$3,600/mo
- Typical project cost
- $330K–$510K
What we resolve before drawings begin.
- 01
Heritage District
Heritage District parcels carry historic compatibility considerations on street-visible work.
- 02
Predictable R1
Standard South Bay R1 setbacks; most detached ADUs site cleanly without variance.
- 03
Tree protection
Heritage tree rules apply. We confirm trees and tree-permit needs at feasibility.
Sunnyvale neighborhoods we serve
- Heritage District
- Birdland
- Cherry Chase
- Ortega
- Lakewood Village
Sunnyvale services we deliver.
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Other Bay Area cities we serve.
Sunnyvale · ADU FAQ
Questions Sunnyvale homeowners ask first.
Start a Sunnyvale ADU brief. We'll confirm parcel conditions, heritage status (if any), and a fixed-scope contract.
Is Sunnyvale strict on ADU design?
Standard South Bay objective standards apply. Heritage District work has compatibility considerations; outside it, the path is straightforward.
Begin your projectin twenty minutes.
A short feasibility review of your lot — what you can build, roughly what it costs, and how long it will take. Free of charge. No sales call afterwards unless you ask for one.
- No obligation
- Reply within 24 hours
- BBB A+ Accredited