Structure Height Limits: Berkeley vs Fremont
How do structure height limits rules compare between Berkeley, CA and Fremont, CA?
Berkeley and Fremont have similar restriction levels.
Berkeley, CA
Alameda County
Berkeley caps residential heights at 28 feet in R-1 zones with average height 25 feet, while downtown zones permit high-rise buildings up to 180 feet under the Downtown Area Plan.
View full Berkeley rules →Fremont, CA
Alameda County
Fremont limits single-family homes to 30 feet or 2 stories in most R-1 zones, with hillside overlay districts imposing stricter limits to protect ridgelines.
View full Fremont rules →Key Facts Comparison
| Fact | Berkeley | Fremont |
|---|---|---|
| R-1 max height | 28 feet | - |
| R-1 average | 25 feet | - |
| R-2 max | 35 feet | - |
| Downtown max | Up to 180 feet | - |
| ADU state law | 16-25 feet | - |
| R-1 Height | - | 30 feet / 2 stories |
| Accessory | - | 15 feet |
| ADU Height | - | 25 feet (state law) |
| Hillside | - | Stricter overlay limits |
| Contact | - | (510) 494-4455 |
Highlighted rows indicate differences between cities.
Berkeley FAQ
Can I add a second story?
Yes within 28-foot height limit and applicable height planes; larger additions may require Use Permit and neighbor notice.
Are rooftop solar panels counted in height?
Panels generally may extend above height limits subject to reasonable design controls under Civil Code 714.
Fremont FAQ
Can I build a three-story home?
Not in standard R-1 zones; multi-family or specific plan areas may allow 3 stories with design review.
Do hillside rules apply to my lot?
Check the Fremont Hillside Combining District map; lots in the overlay have ridgeline and height protections.
Compare other topics
See how Berkeley and Fremont compare on other ordinance categories.
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