Building Setbacks & Zoning in Bostonia, CA (2026)
3 verified building setbacks & zoning rules for Bostonia, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
San Diego County's Zoning Ordinance sets minimum front, side, and rear yard setbacks by a Setback Designator (Schedule C). Detached accessory buildings must sit at least 3 feet from interior side or rear property lines.
Building Setbacks in Bostonia (San Diego County)
Some RestrictionsSan Diego County Zoning Ordinance § 4800
The purpose of these provisions is to establish minimum front, side, and rear yard setback requirements for all buildings and other structures within San Diego County in order to assure light, air, privacy, and open areas appropriate to the use, location, and impact of uses and structures.
Structure Height Limits
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.
Building Height Limits in Bostonia
Some RestrictionsSan Diego County Zoning Ordinance §§ 4600, 4610
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.
Lot Coverage Limits
San Diego County limits how much of a lot buildings may cover through a Coverage Designator. It can cap coverage as a decimal fraction of the lot or a maximum square footage; the more restrictive applies.
Lot Coverage Limits in Bostonia
Some RestrictionsSan Diego County Zoning Ordinance §§ 4700, 4710
The purpose of these provisions is to establish the maximum lot area which may be covered by buildings. ... Maximum lot coverage shall be established to regulate the intensity of development and any such coverage may be specified by the Development Designator.
Looking for San Diego County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Bostonia city rules.
Building Setbacks & Zoning in San Diego County →