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Madison, WI Right to Farm: Agricultural Zoning Protection (2026)

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

Key Facts

Min lot, agricultural use
5 acres
Min lot, other use
10 acres
Setbacks
30 ft front / 80 ft side / 100 ft rear
Max height, agricultural use
none
Max height, other use
2 stories / 35 feet
Max lot coverage, other use
5%

Summary

Madison's Agricultural (A) zoning district, MGO § 28.092, protects rural land at the city's edge for continued farming while it awaits urban development, and separately backs small-scale food production, community and market gardens, inside city limits. Agricultural uses need a 5-acre minimum lot with 30/80/100-foot front/side/rear setbacks and no height cap, while any other use needs 10 acres and tops out at 5% lot coverage.

(1)Statement of Purpose. Rural agricultural areas designated as such in the Comprehensive Plan are located beyond the current extent of planned City development. These areas are outside the Central Urban Service Area and without current access to municipal sanitary sewer and water service... The purpose of this district is to support the continuance of agriculture and rural character within outlying agricultural areas. In addition, the A district is intended to support local food production and community health by encouraging community and market gardens and other small-scale agricultural operations within city limits. (3)Dimensional Requirements, Permitted and Conditional Uses. Requirements represent minimums unless otherwise noted... Agricultural District Agricultural uses All other uses Lot area 5 acres 10 acres Lot width 300 300 Front yard setback 30 30 Side yard setback 80 80 Rear yard setback 100 100 Maximum height none 2 stories/35 Maximum lot coverage n/a 5%

Full Breakdown

The A district sits at Madison's outer edge, covering land the Comprehensive Plan designates as rural agricultural, areas outside the Central Urban Service Area that lack municipal sanitary sewer and water and are still characterized by active farming, fields, meadows and woodlots. Sec. 28.092(1) states the district's dual purpose: sustaining agriculture and rural character in those outlying areas while urban growth continues around them, and separately encouraging community gardens, market gardens, and other small-scale agricultural operations closer in, as a matter of local food production and community health.

Permitted and conditional uses are set out in Table 28G-1, referenced by the section rather than restated in it. The dimensional standards in Sec. 28.092(3) split by use type. An agricultural use needs a minimum 5-acre lot with 300 feet of lot width, a 30-foot front setback, 80-foot side setbacks, and a 100-foot rear setback, with no maximum building height. Any other use permitted in the district needs a larger 10-acre minimum lot, the same 300-foot width and 30/80/100-foot setbacks, but is capped at two stories or 35 feet in height and 5% maximum lot coverage, a deliberate gap meant to keep non-farm buildings small relative to the land. Because the A district sits outside the City's sewer and water service area, most new buildings there rely on private wells and septic systems, subject to Dane County and state health regulations rather than City utility connections.

Violations & Fines

Developing an A-zoned parcel below the district's minimums, splitting off a lot under 5 acres for a farm use or under 10 acres for any other use, or building past the 5% lot coverage cap for non-agricultural structures, is a zoning code violation the Zoning Administrator enforces through Chapter 28's standard process, which can include a stop-work order, denial or revocation of a zoning permit, and referral to municipal court for forfeitures.

Frequently Asked Questions

Does Madison have a right-to-farm law protecting farmers from nuisance complaints?
Madison's code does not contain a separate right-to-farm nuisance shield; what it has is the Agricultural (A) zoning district under MGO § 28.092, which reserves land at the city's edge for continued farming with generous setbacks and no height cap for agricultural buildings.
How big does my lot need to be to farm in Madison's Agricultural district?
At least 5 acres for an agricultural use, per MGO § 28.092(3). Any other permitted use on A-zoned land needs a 10-acre minimum lot, plus it's capped at 5% lot coverage and two stories or 35 feet in height.
Can I run a small market garden inside Madison's city limits, not just on the rural edge?
Yes. Sec. 28.092(1) states the A district is also meant to support local food production and community health by encouraging community and market gardens and other small-scale agricultural operations within city limits, alongside its main role protecting outlying farmland.

Sources & Official References

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