Chickens & Livestock: El Cajon vs San Marcos
How do chickens & livestock rules compare between El Cajon, CA and San Marcos, CA?
El Cajon and San Marcos have similar restriction levels.
El Cajon, CA
San Diego County
El Cajon allows up to 10 chickens in single-family residential zones at 1 per 100 sq ft of unpaved rear yard. No roosters. Chickens must be in fully enclosed runs with 10 sq ft per bird. Other livestock restricted to larger-lot zones.
View full El Cajon rules →San Marcos, CA
San Diego County
San Marcos allows chickens and small livestock on residential lots meeting minimum acreage thresholds set by the zoning designation. Properties zoned for estate residential or rural may keep horses, goats, and poultry subject to setback and enclosure requirements. Standard residential zones generally permit a limited number of hens without roosters. All animals must be maintained in sanitary conditions and enclosures must meet setback distances from neighboring dwellings.
View full San Marcos rules →Key Facts Comparison
| Fact | El Cajon | San Marcos |
|---|---|---|
| Chickens | Up to 10 (no roosters) | - |
| Density | 1 per 100 sq ft rear yard | - |
| Run Space | 10 sq ft per bird | - |
| Horses | Larger zones, 20K+ sq ft | - |
| Hens | - | Allowed in most residential zones; roosters prohibited |
| Enclosure Setback | - | 20–50 ft from neighboring dwellings |
| Feed Storage | - | Must be in rodent-proof containers |
| Code Enforcement | - | (760) 744-1050 x3234 |
Highlighted rows indicate differences between cities.
El Cajon FAQ
Can I keep chickens in El Cajon?
Yes. Up to 10 chickens (no roosters) in single-family zones. Density is 1 bird per 100 sq ft of unpaved rear yard with enclosed runs.
What other animals can I keep?
Two dogs and two cats per dwelling. Horses on 20,000+ sq ft lots in qualifying zones. Rabbits, geese, and ducks (up to 6) in larger-lot zones.
San Marcos FAQ
Can I keep chickens in San Marcos?
Yes, most residential zones allow hens. Roosters are generally prohibited due to noise. Coops must meet setback requirements from neighboring homes and be kept sanitary.
How many chickens can I have in San Marcos?
The number depends on your zoning designation and lot size. Standard residential zones typically allow a small number of hens. Check your specific zoning with the Planning Division at (760) 744-1050.
Can I keep goats or horses on my property in San Marcos?
Larger livestock is permitted on properties zoned for estate residential or rural use that meet minimum acreage requirements. Standard residential lots generally do not qualify.
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