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Minimum lot sizes for each residential district in the Zionsville zoning code. Boone County.
8 residential districts recorded · 1 source document. Largest, median, and smallest use the standard residential ladder only.
Every residential district in the code, largest minimum to smallest. Values assume municipal sewer unless a note says otherwise.
| District | Min lot (sq ft) | SFD by right | Basis | Source | Notes |
|---|---|---|---|---|---|
| R-E estate | 130,680 | Yes | stated | Zionsville Code 194.045 | Equestrian/Estate Residential; 3-acre minimum; open-space subdivisions may reduce to 21,780 |
| R-SF-1 | 21,780 | Yes | stated | Zionsville Code 194.046 | 1/2-acre minimum; 1-acre subdivision average |
| R-SF-2 | 15,000 | Yes | stated | Zionsville Code 194.047 | 1/2-acre subdivision average |
| R-SF-3 repealed | 15,000 | No | stated | Zionsville Code 194.048 | Repealed for new rezonings 1-21-2002; grandfathered land only |
| R-SF-4 repealed | 10,000 | No | stated | Zionsville Code 194.049 | Repealed for new rezonings 1-21-2002; grandfathered land only |
| R-MF-1 | None | No | stated | Zionsville Code 194.050 | Multi-family district; 9 du/ac; SFD not by-right |
| R-MF-2 | None | No | stated | Zionsville Code 194.051 | Multi-family district; 15 du/ac; SFD not by-right |
| R-V | 8,000 | Yes | stated | Zionsville Code 194.052 | Village Residential (historic core); SMALLEST SF by right |
Districts tagged estate, rural, special, or open land sit outside the standard residential ladder. They are listed here for completeness but excluded from the largest, median, and smallest figures.
Off-street parking the code requires for a single-family home.
| Detail | 2/du all districts |
|---|---|
| Source | Ch 194 + schedule |
Whether an accessory dwelling unit (a second, smaller home on the same lot) is allowed.
| Maximum size | Not specified |
|---|---|
| Owner must live on site | n/a |
| Extra parking required | n/a |
| Detail | No ADU provision (Ch 194 + schedule) |
| Source | — |
"Silent" means the code contains no ADU provision at all. That is not an explicit ban, but in practice an ADU is not permitted.