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Loudoun County, VA Right to Farm: Agricultural Zoning Protection (2026)

Light Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Governing section
Zoning Ordinance § 2.04.01
District status
AR-1 is an agricultural district
State law referenced
Va. Code §§ 3.2-300 et seq.
Base density (AR-1)
1 lot per 20 acres
Minimum lot size
20 acres (base density option)
Applies also to
AR-2, TR-1/2/3/10, TSN, rural hamlets

Summary

Land in Loudoun County's Agricultural Rural-1 (AR-1) Zoning District is designated an agricultural district, and every subdivision plat and deed created there must carry a written statement that farming operations are protected under Virginia's Right to Farm Act.

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

A. Applicability and Location. The AR-1 Zoning District must be located within the boundaries of the Rural North Place Type as shown on the Rural Policy Area Place Types Map in the General Plan. The AR-1 Zoning District is considered an agricultural district. ... G. Recognizing Protection by Right to Farm Act. Subdivision plats and deeds pursuant to this section must include a statement that agricultural operations enjoy the protection of the Right to Farm Act (Code of Virginia §§ 3.2-300, et seq.).

Full Breakdown

01 establishes the Agricultural Rural-1 (AR-1) Zoning District to implement the Rural North Place Type of the County's General Plan and to preserve Prime Farmland Soils for the rural economy. Subsection A expressly states the AR-1 Zoning District 'is considered an agricultural district,' tying the zoning designation directly to the county's agricultural-protection framework rather than leaving it implied. 2-300 et seq. That state statute limits the ability of neighbors to sue a qualifying farm operation as a nuisance once the surrounding area changes character, so recording the notice on the deed puts future purchasers on formal notice that they are buying into land where agriculture has priority.

02), the TR-1/TR-3/TR-10 Transition Districts, the TR-2 District, the TSN District, and rural hamlet subdivisions, showing the County applies the protection consistently across every zoning district built around agricultural or rural-cluster development rather than singling out one district. Development in AR-1 is capped at one lot per 20 acres under the base density option, with a minimum 20-acre lot size, so the ordinance pairs low-density zoning with the recorded right-to-farm notice to keep agricultural uses viable as adjoining land is subdivided for residential use over time.

Violations & Fines

There is no fine structure attached to § 2.04.01.G itself: it is a recordation requirement, not a use restriction. A subdivider who records a plat or deed for an AR-1 lot without the required Right to Farm Act statement has failed to meet the LSDO's plat-approval standards, and the Loudoun County Department of Planning and Zoning can withhold plat approval or recordation until the notation is added. This is a procedural compliance issue resolved administratively before recordation, not a criminal or civil penalty imposed after the fact.

Frequently Asked Questions

Does Loudoun County's AR-1 zoning protect farms from nuisance lawsuits?
The zoning ordinance itself doesn't create the protection: it requires every AR-1 subdivision plat and deed to state that agricultural operations are protected under Virginia's Right to Farm Act, Code of Virginia §§ 3.2-300 et seq. That state statute is what actually limits nuisance suits against qualifying farms.
What is the minimum lot size in Loudoun's AR-1 district?
Under the base density division option, AR-1 requires a minimum 20-acre lot with a yield of one lot per 20 acres. The cluster subdivision option can go as small as 40,000 square feet with on-site water and wastewater, per Table 2.04.01-1.
Which other Loudoun zoning districts carry the same right-to-farm notation?
The identical recordation requirement appears in AR-2 (§ 2.04.02), the TR-1, TR-2, TR-3 and TR-10 Transition Districts, the TSN District, and rural hamlet subdivisions: every district the ordinance treats as agricultural or rural in character.

Sources & Official References

Other rules in Loudoun County

All Loudoun County rules

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