Bostonia, CA Building Setbacks & Zoning: Structure Height Limits (2026)
Key Facts
- Authority
- SD County Zoning § 4600–4699
- Set by
- Height Designator (Schedule B)
- Lowest limit
- 15 feet / 1 story (A)
- Over 60 feet
- Requires Major Use Permit
- Schedule
- Zoning Ordinance § 4610
Summary
San Diego County sets maximum building height by a Height Designator on Schedule B. Limits range from 15 feet/1 story up to 60 feet, and anything over 60 feet requires a Major Use Permit.
The purpose of these provisions is to establish the maximum height of buildings and other structures within zones. ... (b) Greater than 60 feet. Any height in excess of 60 feet requires a Major Use Permit.
Full Breakdown
In unincorporated Bostonia, maximum building and structure height is set by the San Diego County Zoning Ordinance Height Regulations (§ 4600 et seq.). A Height Designator letter on Schedule B (§ 4610) fixes the maximum height in feet and number of stories: for example designator A allows 15 feet/1 story, C allows 25 feet/2 stories, and I allows 35 feet/4 stories. Any height in excess of 60 feet requires a Major Use Permit. Certain structures (chimneys, antennas) may be exempt under § 4620, and an additional story may be allowed on sloped lots (§ 4615). Confirm your parcel's Height Designator with County Planning & Development Services.
Violations & Fines
Buildings exceeding the applicable height designator are zoning violations; the County can deny permits, require redesign, or pursue code-compliance enforcement.
Frequently Asked Questions
How tall can I build in Bostonia?
Are there exemptions to the height limit?
Sources & Official References
Other rules in Bostonia
California rules heatmap·Compare Bostonia to another location·View the California building setbacks & zoning overview
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Structure Height Limits in Nearby Cities
How other cities in San Diego County handle structure height limits.