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Imperial County, CA Animal Ordinances: Chickens & Livestock (2026)

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

Key Facts

Fowl/rabbits/birds cap
5 total, hobby use
Cats/dogs cap
5 total
Large animals
Need 0.75+ acre lot
Roaming
Not allowed, must be enclosed

Summary

Imperial County's R-1 zone caps backyard chickens, rabbits and birds at five total per lot for hobby use in enclosed structures, with separate acreage rules for larger livestock.

These county ordinances apply to unincorporated areas of Imperial County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

The breeding, keeping or maintaining of large or medium size animals is strictly prohibited, except as follows:

A.R-1 lots greater than one-half but less than one acre net may keep two medium animals per acre provided the separation distances under Section 90502.08 can be achieved.B.R-1 lots greater than three-quarter acre net may keep and maintain one large animal per three-quarter acre up to five acres, and one large animal for every five acres of lot area thereafter (i.e. forty (40) acre lot equals twelve (12) large animals). Small animals (i.e. goats, sheep, etc.) shall be allowed at the ratio of one large animal equals two small animals. Separation as required under Section 90502.08 shall be met.C.R-1 lots allow for the keeping of small fowl, rabbits, birds, provided as follows: they are for domestic or hobby purposes; are maintained within proper enclosed/containment structures; are not free to leave the property; and the number of such animals does not exceed five of any one or combination thereof.

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 62 - 9-25).

Full Breakdown

Imperial County Code § 90502.13 bans breeding or keeping large or medium animals in the R-1 zone except on larger lots: half-acre to one-acre lots may keep two medium animals per acre, and lots of three-quarters of an acre or more may keep one large animal per three-quarter acre up to five acres, then one per additional five acres, subject to the separation distances in Section 90502.08. Small fowl, rabbits and birds are allowed for domestic or hobby purposes only, kept in enclosed containment structures, not free to roam, capped at five of any one type or combination. Cats and dogs are likewise capped at five total.

Violations & Fines

Keeping more than five backyard fowl, rabbits or birds, letting them roam free, or keeping large/medium livestock on an R-1 lot without the required acreage and separation distances violates § 90502.13.

Frequently Asked Questions

How many chickens can I keep in Imperial County's R-1 zone?
Up to five, combined with any rabbits or other small fowl/birds, for domestic or hobby use in an enclosed structure - none may roam free.
Can I keep a horse or cow on a standard R-1 lot?
Only if the lot is at least three-quarters of an acre; larger lots allow more, based on the acreage formula in § 90502.13.

Sources & Official References

Other rules in Imperial County

All Imperial County rules

How Imperial County compares: Best Cities for Backyard Chickens·California rules heatmap·Compare Imperial County to another location·View the California animal ordinances overview

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