Belmont Shore ADU permit, cost & timeline.
Belmont Shore's 30-ft frontages demand ARU-above-garage solutions — Long Beach's pre-approved plan set covers the most common footprints.
Neighborhood intel
- Lot range
- 2,500–3,800 sq ft (narrow)
- Zoning
- R-1-N coastal
- Permit window
- 6–9 mo (Coastal layer)
- Permits last 12 mo
- ≈ 35
- Best-fit product
- ARU above garage; compact detached studios
- Starting price
- from $190K
№ 01 — Field notes
What we've learned from ≈ 35 permits.
- Coastal Permit waived for most ADUs under 800 sf by ordinance.
- Alley access on every block — garage stack always feasible.
- Walk-Score 92 commands $3,100 1-BR rents.
№ 02 — Questions
Belmont Shore ADU questions, answered.
Is a Coastal Development Permit required?
Long Beach's LCP allows by-right ADU permitting under 800 sf — no separate CDP for most projects.
Can I build above my garage?
Yes — ARUs above existing garages are encouraged under the Long Beach pre-approved set; plan-check often clears in 4 weeks.
Parking?
Not required for ADUs in Belmont Shore — coastal-adjacent transit overlay applies.
№ 03 — Adjacent
Neighbors & the parent city.
Building in Belmont Shore? Send us the address and we'll send back lot-specific feasibility within one business day.
Begin a Belmont Shore ADU →