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  1. Zoning
  2. Ann Arbor, MI
  3. R4C

Ann Arbor, MI · zoning record

R4C zoning in Ann Arbor.

The dimensional standards that govern what you can build in the R4C district, straight from Ann Arbor's ordinance, with every figure quoting its source. Check a specific address to see how these rules apply to a real lot.

Free · Every figure cited · Read from the current code (2026-10-02)

R4C dimensional standards.

These are the letter-of-the-law limits for the base R4C district. Overlays (historic, neighborhood plan, and similar) can tighten them; a specific address check resolves the overlays that actually apply.

Maximum height

30 ft

How tall the building may be.

“R4C 2,175 sq. ft. None 20 ft. 30 ft. 8,500 sq. ft. 60 ft.”TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS › HEIGHT › R4C row · Ann Arbor code · read 2026-10-02

Minimum lot size

8,500 sf

Smallest conforming lot.

“R4C None 20 ft. plus 30 ft. 8,500 sq. ft. 60 ft.”TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS › MIN. AREA › R4C row · Ann Arbor code · read 2026-10-02

Minimum lot width

60 ft

Narrowest conforming lot.

“R4C None 20 ft. plus 30 ft. 8,500 sq. ft. 60 ft.”TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS › WIDTH › R4C row · Ann Arbor code · read 2026-10-02

Sources

Every figure above is quoted verbatim from the current ordinance. We never substitute a typical-for-zone default: a field absent from the record shows nothing, not a guess.

Informational only — not a permit, appraisal, or professional engineering opinion. Verify with your local planning department before acting on it. See Terms and data sources.

Other Ann Arbor districts on record.

R4ER4AR3R4DR4B

Check a real Ann Arbor lot against R4C.

See how these standards resolve on a specific parcel, with the overlays that actually apply, in about 20 seconds.

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