Maximum height
120 ftHow tall the building may be.
“R4D 1,740 sq. ft. 15 ft. 20 ft. 120 ft. 83,000 sq. ft. 200 ft.”TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS › HEIGHT › R4D row · Ann Arbor code · read 2026-10-02
Ann Arbor, MI · zoning record
R4D zoning in Ann Arbor.
The dimensional standards that govern what you can build in the R4D 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)
R4D dimensional standards.
These are the letter-of-the-law limits for the base R4D district. Overlays (historic, neighborhood plan, and similar) can tighten them; a specific address check resolves the overlays that actually apply.
Minimum lot size
83,000 sfSmallest conforming lot.
“R4D 15 ft. 20 ft. plus 120 ft. 83,000 sq. ft. 200 ft.”TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS › MIN. AREA › R4D row · Ann Arbor code · read 2026-10-02
Minimum lot width
200 ftNarrowest conforming lot.
“R4D 15 ft. 20 ft. plus 120 ft. 83,000 sq. ft. 200 ft.”TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS › WIDTH › R4D row · Ann Arbor code · read 2026-10-02
Front setback
15 ftRequired space from the front line.
“R4D 15 ft. 20 ft. plus 120 ft. 83,000 sq. ft. 200 ft.”TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS › FRONT › R4D 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.
- TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS · Ann Arbor, MI code of ordinances (read 2026-10-02)
- TABLE 5.17-3: MULTIPLE-FAMILY RESIDENTIAL DISTRICTS · Ann Arbor, MI code of ordinances (read 2026-10-02)
Check a real Ann Arbor lot against R4D.
See how these standards resolve on a specific parcel, with the overlays that actually apply, in about 20 seconds.
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