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Anne Arundel County, MD Right to Farm: Agricultural Zoning Protection (2026)

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

Key Facts

RA District density
1 dwelling per 20 acres
RA minimum lot size
40,000 square feet
County ag district minimum
50 contiguous acres
Nuisance defense limit
excludes negligent operations

Summary

County Code § 17-10-301 shields farms from private nuisance suits, and the RA – Rural Agricultural zoning district caps density at one dwelling per 20 acres to keep unincorporated farmland from being subdivided into house lots.

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

If it is alleged in a private action that an agricultural operation interferes with the use and enjoyment of private property, because that action constitutes a private nuisance, the person charged in the action shall not be liable if the agricultural operation: (1) is being conducted in accordance with generally accepted agricultural practices and conforms to federal, State, and County law; or (2) commenced prior to the use of the property by the person alleged to have suffered injury as a result of the operation.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-93: County Code is current through May, 2026).

Full Breakdown

County Code § 17-10-301 protects a farm from private nuisance suits if it follows generally accepted agricultural practices and complies with federal, State, and County law, or if it began operating before the neighboring use existed, a defense that does not apply if the operation was negligent or willfully injurious. Zoning reinforces this: the RA – Rural Agricultural District (§ 18-4-301) caps density at one dwelling per 20 acres, with limited added units only on larger residue acreage, sets a 40,000-square-foot minimum lot, and § 17-10-203 requires 50 contiguous acres to form a County agricultural preservation district, keeping farmland intact across unincorporated communities like Glen Burnie, Odenton, and Crofton, which have no zoning code of their own.

Violations & Fines

The nuisance defense doesn't cover negligent or willfully injurious farming operations, and RA District density above one dwelling per 20 acres or lot coverage past 25% still triggers zoning enforcement by the Office of Planning and Zoning.

Frequently Asked Questions

Does Anne Arundel County have a right-to-farm law?
Yes. County Code § 17-10-301 lets a farm defend against a private nuisance suit if the operation follows accepted agricultural practices and county/state/federal law, or predates the neighboring use, unless it acted negligently.
Can farmland in the RA zoning district be subdivided freely?
No. § 18-4-301 caps density at one dwelling per 20 acres, with extra units only on larger residue acreage: a limit meant to keep RA-zoned land in agricultural use rather than house lots.
Does this apply in Glen Burnie or Odenton?
Yes. These are unincorporated communities with no municipal government, so the County Code, including § 17-10-301 and the RA zoning rules, is their only local law on agricultural land.

Sources & Official References

Other rules in Anne Arundel County

All Anne Arundel County rules

Compare Anne Arundel County to another location·View the Maryland right to farm overview

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