Cherry Chase, Sunnyvale ADU permit, cost & timeline.
Cherry Chase's school-district premium plus dense tech corporate-housing demand makes Sunnyvale ADUs the safest yield play in the South Bay.
Neighborhood intel
- Lot range
- 6,000–7,500 sq ft
- Zoning
- R-1
- Permit window
- 4–6 mo plan-check
- Permits last 12 mo
- ≈ 110
- Best-fit product
- Detached 1-BR / 2-BR; corporate-housing furnished units
- Starting price
- from $195K
№ 01 — Field notes
What we've learned from ≈ 110 permits.
- Sunnyvale's ADU permit process is fully online; comments within 15 days.
- Corporate-housing furnished demand: $3,800–$4,500 1-BR mid-term.
- Build cost $480–$540/sf — middle of Bay Area range.
№ 02 — Questions
Cherry Chase, Sunnyvale ADU questions, answered.
Why corporate housing here?
Apple, LinkedIn, Google all run furnished-housing programs that pay 30%+ over residential comps for ADUs in walking distance to campuses.
Online permitting — really?
Yes — Sunnyvale's full ADU permit flow runs through their portal; first-round comments inside 15 business days.
Setbacks?
4-ft side, 4-ft rear per state default; Sunnyvale doesn't impose extra.
№ 03 — Adjacent
Neighbors & the parent city.
Building in Cherry Chase, Sunnyvale? Send us the address and we'll send back lot-specific feasibility within one business day.
Begin a Cherry Chase, Sunnyvale ADU →