Permit Requirements: El Cajon vs San Diego
How do permit requirements rules compare between El Cajon, CA and San Diego, CA?
El Cajon has fewer restrictions than San Diego.
El Cajon, CA
San Diego County
El Cajon does not require building permits for fences up to 6 feet. Taller fences or alternative materials need an administrative zoning permit. Retaining walls may require engineering depending on height and load.
View full El Cajon rules →San Diego, CA
San Diego County
San Diego exempts fences 7 feet and under from building permit requirements under SDMC 129.0202. Fences over 7 feet require a building permit. Retaining walls over 3 feet require a permit. Fences in coastal overlay zones or historic districts may require additional review.
View full San Diego rules →Key Facts Comparison
| Fact | El Cajon | San Diego |
|---|---|---|
| Under 6 ft | No permit needed | - |
| Over 6 ft | Admin zoning permit | - |
| Retaining | Permit may be needed | - |
| Contact | 619-441-1726 | - |
| Permit Exempt | - | Fences 7 ft and under |
| Retaining Wall | - | Permit if over 3 ft |
| Coastal Zone | - | May need CDP |
| Pool Fences | - | Minimum 60 inches required |
| Code Section | - | SDMC 129.0202 |
Highlighted rows indicate differences between cities.
El Cajon FAQ
Do I need a permit to build a fence in El Cajon?
El Cajon does not require building permits for fences up to 6 feet. Taller fences or alternative materials need an administrative zoning permit. Retaining walls may require engineering depending on height and load.
How much does a fence permit cost in El Cajon?
Under 6 ft: No permit needed. Over 6 ft: Admin zoning permit. Retaining: Permit may be needed. Contact: 619-441-1726.
San Diego FAQ
Do I need a permit to build a fence in San Diego?
No permit needed for fences 7 feet or under that comply with zoning height limits. Fences over 7 feet require a building permit under SDMC 129.0202.
Do retaining walls need a permit?
Yes, if over 3 feet from footing to top, or any height if supporting a surcharge (driveway, structure, or fence on top). Engineering calculations may be required.
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