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San Marcos, CA Animal Ordinances: Pet Limits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Cats/dogs, single-family & ag zones
Max 6 per lot
Cats/dogs, R-2/R-3/MU zones
Max 3 per unit (combined)
Kennels
Not permitted
Permit type for listed limits
None (permitted use)

Summary

San Marcos zoning caps cats and dogs at six per lot under Table 20.415-3, with kennels flatly not permitted. In the denser R-2, R-3, and MU zones the limit tightens further: any combination of small domestic animals is capped at three per unit.

Cats/Dogs Maximum of 6 domestic animals Kennels not permitted ... Note: Within R-2, R-3, and MU Zones, any combination of these domestic animals may be kept, but no more than three (3) are allowed per unit.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 14 Update 1).

Full Breakdown

5, and R-2/R-3/MU zones, meaning no discretionary permit is needed to own pets up to the numeric ceiling. 415-3: cats and dogs are capped at a combined maximum of six domestic animals per lot, and the table's Additional Activity Requirement column states plainly that "Kennels not permitted," meaning a property cannot operate as a commercial or hobby kennel simply by staying under the six-animal cap. 415-2 carries its own note for multifamily and mixed-use zoning: within the R-2, R-3, and MU zones, "any combination of these domestic animals may be kept, but no more than three (3) are allowed per unit," a tighter per-unit ceiling than the six-animal lot maximum that applies in single-family and agricultural zones. C, which treats any use not specifically listed as prohibited unless the Director finds it comparable to a permitted use.

Violations & Fines

Exceeding the six-animal cap on a single-family or agricultural lot, exceeding the three-animal per-unit cap in R-2, R-3, or MU zones, or operating a kennel without the required determination violates Section 20.415.020 and Table 20.415-3, and is enforceable as a zoning violation subject to a correction notice or citation from the City's code enforcement division.

Frequently Asked Questions

How many dogs or cats can I have in San Marcos?
Up to six, combined, on a single-family or agricultural-zoned lot under Table 20.415-3 of the Zoning Ordinance. In the denser R-2, R-3, and MU zones the cap drops to three animals per dwelling unit under the note to Table 20.415-2.
Can I run a home kennel in San Marcos?
No. Table 20.415-3 lists "Kennels not permitted" as the additional activity requirement tied to the cats/dogs entry, so a property cannot operate a kennel even while staying under the six-animal cap; a different, non-listed use determination from the Director would be required and is not guaranteed.
Does the pet limit apply per lot or per household?
It depends on the zone. In single-family and agricultural zones the six-animal cap in Table 20.415-3 applies per lot. In the R-2, R-3, and MU zones, the Table 20.415-2 note applies the three-animal combination limit per dwelling unit rather than per lot.

Sources & Official References

Other rules in San Marcos

All San Marcos rules

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