Garage Conversions: Bonsall vs El Cajon
How do garage conversions rules compare between Bonsall, CA and El Cajon, CA?
Bonsall and El Cajon have similar restriction levels.
Bonsall, CA
San Diego County
Garage conversions to ADUs or habitable space in unincorporated San Diego County require building permits. California law allows garage conversions to ADUs without replacement parking. The conversion must meet building code requirements for habitable space including egress, ventilation, and plumbing.
View full Bonsall rules →El Cajon, CA
San Diego County
El Cajon allows garage conversions to ADUs per CA Gov Code Section 65852.2. Replacement parking is not required. Tandem parking in driveways is permitted. Building permits required for conversion.
View full El Cajon rules →Key Facts Comparison
| Fact | Bonsall | El Cajon |
|---|---|---|
| Permit Required | Yes — building permit from PDS | - |
| Replacement Parking | Not required (state law) | - |
| Ceiling Height | 7 feet minimum | - |
| Egress | Required in bedrooms | - |
| State Law | Gov. Code §65852.2 | - |
| Parking | - | No replacement required |
| Tandem | - | Allowed in driveways |
| JADU | - | Up to 500 sq ft |
| Sewer Video | - | Required |
Highlighted rows indicate differences between cities.
Bonsall FAQ
Can I convert my garage to living space in San Diego County?
Yes. California law allows garage conversions to ADUs. You need a building permit from County PDS. The conversion must meet building code requirements for habitable space.
Do I need to replace the parking space if I convert my garage?
No. California state law prohibits the County from requiring replacement parking spaces when converting a garage to an ADU.
What building codes apply to garage conversions?
The conversion must meet California Building Code requirements for habitable space including minimum ceiling height, natural light, ventilation, egress, electrical, plumbing, and energy efficiency standards.
El Cajon FAQ
Can I convert my garage into living space in El Cajon?
El Cajon allows garage conversions to ADUs per CA Gov Code Section 65852.2. Replacement parking is not required. Tandem parking in driveways is permitted. Building permits required for conversion.
What permits do I need for a garage conversion in El Cajon?
Parking: No replacement required. Tandem: Allowed in driveways. JADU: Up to 500 sq ft. Sewer Video: Required.
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