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Westminster, CA Right to Farm: Agricultural Zoning Protection (2026)

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

Key Facts

Zones covered
R1 through R5 (all residential districts)
Permitted by right
Farming, horticulture, flower/vegetable gardening
Excluded use
Commercial dairies and feedlots
Excluded use
Commercial kennels/rabbit/fox/goat farms
Excluded use
Commercial-scale poultry/egg ranches
Nursery limit
Propagation/cultivation only, no retail sales

Summary

Westminster's zoning code permits farming, horticulture, flower and vegetable gardening, and non-retail nursery and greenhouse propagation by right in every residential zoning district from R1 through R5. Commercial dairies, commercial animal-raising kennels, poultry-processing ranches, hog-feeding operations, and waste-disposal ranches are carved out and excluded from that blanket residential permission under Section 17.400.020.

Purpose and Intent. The purpose of regulating agricultural uses is to ensure compatibility with surrounding uses and properties, and to avoid any impacts associated with such uses. In all residential zoning districts (R1 to R5), the following agricultural uses are permitted:

1. Farming, including all types of agricultural and horticulture, except:

a. Commercial dairies;

b. Commercial kennels or rabbit, fox, goat, and other animal-raising farms;

c. Egg-producing ranches and farms devoted to the hatching, raising, fattening, and/or butchering or chickens, turkeys, and other poultry on a commercial scale;

d. Hog and other livestock-feeding ranches;

e. Ranches operated publicly or privately for the disposal of garbage, sewage, rubbish, and offal;

2. Flower and vegetable gardening;

3. Nurseries and greenhouses uses only for purposes of propagation and culture and not for retail sales.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4982734; v10 updated 2026-06-10).

Full Breakdown

020, Agriculture Uses, is Westminster's zoning provision addressing farming activity, and it operates as a permitted-use list rather than a right-to-farm nuisance shield. Subsection A states that in all residential zoning districts, R1 through R5, agricultural and horticultural farming is allowed outright, along with flower and vegetable gardening and nursery or greenhouse operations limited to propagation and cultivation rather than retail sales. The purpose clause frames this as a compatibility measure: the City permits small-scale agricultural activity in residential areas as long as it does not create the kind of impact associated with larger commercial operations.

Five categories are carved out of that blanket permission and therefore require separate zoning review elsewhere in the code: commercial dairies; commercial kennels or rabbit, fox, goat, and other animal-raising farms; egg-producing ranches and poultry operations run on a commercial scale, including hatching, raising, fattening, or butchering; hog and other livestock-feeding ranches; and ranches used publicly or privately to dispose of garbage, sewage, rubbish, or offal. Because the exclusions single out commercial-scale and industrial-type agricultural operations, a resident growing vegetables, keeping a home garden, or propagating plants in a residential backyard greenhouse does not need a permit under this Section, while anyone running a dairy, feedlot, or commercial poultry operation must look to the City's general zoning and permit provisions for the applicable commercial or agricultural-zoned district.

Violations & Fines

Operating an excluded agricultural use in a residential zone, such as a commercial dairy, feedlot, or commercial poultry operation, without the required zoning approval is a public nuisance under Section 17.650.010.A and a misdemeanor under Section 17.650.010.C, though the City Attorney may instead prosecute it as an infraction. Each day the violation continues counts as a new, separate violation.

Frequently Asked Questions

Can a Westminster homeowner grow crops or keep a garden in a residential zone?
Yes. Section 17.400.020.A permits farming, horticulture, and flower and vegetable gardening by right in every residential zoning district from R1 to R5, with no separate zoning permit required for ordinary home-scale gardening, plant cultivation, or a backyard nursery limited to propagation rather than retail sales.
Can I run a commercial poultry or dairy operation on residential land?
No. Section 17.400.020.A specifically excludes commercial dairies, hog and livestock-feeding ranches, and egg-producing or poultry-processing operations run on a commercial scale from the agricultural uses permitted by right in residential zones. Those operations require separate zoning review and are not automatically allowed.
Are commercial kennels allowed under Westminster's agricultural-use rule?
No. Commercial kennels, along with rabbit, fox, goat, and other commercial animal-raising farms, are expressly excluded from the by-right farming permission in Section 17.400.020.A. A separate operational-standards section, 17.400.025, instead governs kennels and animal boarding facilities citywide.

Sources & Official References

Other rules in Westminster

All Westminster rules

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