Ann Arbor, Michigan Zoning Map
Zoning, overlays and hazards on every parcel - and an answer to what the code actually lets you build. Compiled from current zoning data for all 35 districts.
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Zoning
- District code & full name
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- All 35 districts mapped
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Ann Arbor, Michigan Zoning Districts: What Do They Mean?
Zoning districts are areas regulated by specific laws that determine land use, building types, and development rules. Each district below shows its zone type. Ann Arbor's ordinance does not state permitted uses as citywide flags, so they are read from each district's own table rather than summarised here.
| Zone Code | Category | Area | Details |
|---|---|---|---|
PL Public Land | - | 5,429.3 ac | Standards & uses → |
R1C Single Family Dwelling | - | 3,257.9 ac | Standards & uses → |
R1B Single Family Dwelling | - | 1,708.2 ac | Standards & uses → |
R4A Multiple Family Dwelling | - | 1,049.7 ac | Standards & uses → |
Showing 4 of 35 districts
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What does PL actually permit?
The full standards for one district, read straight from the source.
Run it →How is Ann Arbor zoned?
Ann Arbor regulates land through 35 zoning districts, and the largest is Public Land at roughly 5,429 acres, well ahead of every residential district. In a city dominated by a major university and substantial parkland, that ranking is the essential context for any site search.
The residential system is lettered within numbered families. Single Family Dwelling appears as R1A, R1B, R1C and R1D, with R1C the largest at roughly 3,258 acres. Two Family appears as R2A and R2B, a townhouse district as R3, and Multiple Family Dwelling as R4A, R4B and R4C, together covering roughly 2,051 acres.
The Transit Corridor district at roughly 820 acres is the distinguishing growth instrument. Zoning a corridor for transit-oriented intensity as its own district, at that scale, is a substantial commitment rather than a pilot.
Downtown is split into a core at roughly 103 acres and an interface at about 87, distinguishing the highest intensity from the transition around it.
A Research district covers roughly 146 acres and an Office Research And Limited Industrial district about 98, reflecting the research economy. Limited Industrial covers roughly 424 acres and an Agriculture And Open Space district about 199. This is pre-development intelligence, not legal advice - verify with the local planning department before acquisition.
Ann Arbor zoning: frequently asked questions
Why is Public Land the largest district in Ann Arbor?
It covers roughly 5,429 acres, well ahead of every residential district, reflecting the university's holdings and the city's substantial parkland.
What is the Transit Corridor district?
A district covering roughly 820 acres zoned for transit-oriented intensity. At that scale it is a substantial commitment rather than a pilot, and it is the city's principal growth instrument.
How is residential zoning lettered?
Within numbered families. Single family runs R1A through R1D, two family R2A and R2B, townhouse R3, and multiple family R4A through R4C. R1C is the largest at roughly 3,258 acres.
How is downtown zoned?
Through a Downtown Core district at roughly 103 acres and a Downtown Interface district at about 87, distinguishing the highest intensity from the transition around it.
Are there research districts?
Yes. A Research district covers roughly 146 acres and an Office Research And Limited Industrial district about 98, reflecting the city's research economy alongside the university.
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Zoning data is pre-development intelligence, not legal advice. Verify with the Ann Arbor planning department before acquisition or design.