Home Additions in Newark, CA
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Rear Additions vs. Front and Second-Story Additions
In Newark, where you add matters. A single-story addition at the rear of the house goes to building plan check. A second-story addition, or any addition or exterior change at the front of the house, needs Single-Family Design Review.
Single-Family Design Review is required in Newark for new homes, second-story additions and second-story exterior changes, and additions or exterior changes at the front of the house, including the street side of corner lots. It follows guidelines adopted by the Planning Commission in 2007. Neighbors are notified, and approval starts a 14-day appeal period.
Addition Work
RS Zone Standards
- Height: up to 30 feet.
- Setbacks: 20 feet front, 5 feet interior side, 10 feet street side, 20 feet rear.
- Lot coverage: up to 50%.
- A soils report is required for additions over 500 sq ft and for second-story additions.
- Fire sprinklers are required for an addition when the existing house is already sprinklered.
- Trees: a permit is needed to remove a private tree only on lots of 10,000 sq ft or more; street trees are decided by the City Arborist.
- The Old Town overlay district has its own standards.
Permits and Agencies
37101 Newark Boulevard, Newark, CA 94560 · (510) 578-4000
Building Inspection (510) 578-4261 · Planning (510) 578-4330 · Fire Prevention (510) 578-4218 · Engineering (510) 578-4589
Drop-ins Monday to Friday, 8 a.m. to 2 p.m. (closed alternate Fridays); 2 to 5 p.m. by appointment. Permits are applied for and issued electronically through eTRAKiT.
Agencies that sign off before permit issuance: Newark Unified School District (fees for new construction and additions over 500 sq ft), Union Sanitary District, Alameda County Water District, PG&E and the Bay Area Air Quality Management District.
Inspections: call (510) 578-4261 or email bi********@******ca.gov at least 24 to 48 hours ahead, with the address, permit number, inspection type, onsite contact and AM (8:30 to noon) or PM (1 to 4:30) preference. A narrower window is available through eTRAKiT.
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Other Newark services: ADUs · Bathrooms · Kitchens · New Homes · Newark overview
Same service nearby: Fremont · Union City · Milpitas
See home additions and second stories.
Newark Home Additions FAQ
Does a second-story addition need design review in Newark?
Yes. Second-story additions need Single-Family Design Review, with neighbor notice and a 14-day appeal period.
What are the setbacks in Newark’s RS zone?
20 feet front, 5 feet interior side, 10 feet street side and 20 feet rear.
Do I need a soils report?
For additions over 500 sq ft and second-story additions.
Are school fees due?
Newark Unified fees apply to additions over 500 sq ft.