Overview
Worth knowing
- Cincinnati operates TWO parallel zoning codes simultaneously: Title XIV (traditional Euclidean, 1400-series) governs most of the city, while the Land Development Code (LDC, 1700-series) introduces form-based transect zones within designated NBDs and corridors. A property may be subject to either or both systems, creating complexity.
- SF district names encode lot area minimums in thousands of sq ft (SF-2 = 2,000 sf minimum), making SF-2 one of the most permissive single-family minimum lot sizes among major US cities.
- Connected Communities reform (June 2024, Emer. Ord. 199-2024) is a major local reform that allows 2-, 3-, and 4-family housing near NBDs in previously exclusively single-family zones. Rowhouses now permitted in SF-2. This is the most significant local zoning reform in Cincinnati in decades.
+ 3 more in Quirks & notes
Districts
res_sf 5mu 5res_mf 4cbd 4com 2ind 1
| Code | Name | Category | Min lot | Height | Coverage | FAR | Du/ac | Parking | Setbacks F/S/R |
|---|---|---|---|---|---|---|---|---|---|
| SF-20 | SF-20 | res_sf | 20,000 sf[1] | — | — | — | 2.18[2] | — | — / — / — |
| SF-10 | SF-10 | res_sf | 10,000 sf[3] | — | — | — | 4.36[4] | — | — / — / — |
| SF-6 | SF-6 | res_sf | 6,000 sf[5] | — | — | — | 7.27[6] | — | — / — / — |
| SF-4 | SF-4 | res_sf | 4,000 sf[7] | — | — | — | 10.9[8] | — | — / — / — |
| SF-2 | SF-2 | res_sf | — | — | — | — | 21.78[9] | — | — / — / — |
| RMX | RMX (Mixed Residential) | res_mf | — | 35 ft[10] | — | — | — | — | — / — / — |
| RM-L | RM-L (Low Density) | res_mf | — | — | — | — | — | — | — / — / — |
| RM-M | RM-M (Medium Density) | res_mf | — | — | — | — | — | — | — / — / — |
| RM-H | RM-H (High Density) | res_mf | — | — | — | — | — | — | — / — / — |
| PX | Pedestrian Mixed-Use | mu | — | — | — | — | — | — | 0 / — / — |
| NX | Neighborhood Mixed-Use | mu | — | — | — | — | — | — | — / — / — |
| CX | Corridor Mixed-Use | mu | — | — | — | — | — | — | — / — / — |
| MX | Regional Mixed-Use / MX-type | mu | — | 85 ft[12] | — | — | — | — | 5[11] / — / — |
| IX | Industrial Mixed-Use | ind | — | 45 ft[16] | 0.5[17] | — | — | — | 5[13] / 10[14] / 20[15] |
| CG | General Commercial | com | — | — | — | — | — | — | — / — / — |
| DD-A | Downtown Development A | cbd | — | — | — | — | — | — | — / — / — |
| DD-B | Downtown Development B | cbd | — | — | — | — | — | — | — / — / — |
| DD-C | Downtown Development C | cbd | — | — | — | — | — | — | — / — / — |
| DD-D | Downtown Development D | cbd | — | — | — | — | — | — | — / — / — |
| RF-C | Riverfront Commercial | com | — | — | — | — | — | — | — / — / — |
| RF-M | Riverfront Mixed | mu | — | — | — | — | — | — | — / — / — |
Confidence: confirmed partial under review not found
Overlays
HS
Hillside Overlay Districts
HSProperties on hillsides and slopes throughout Cincinnati; geographically mapped on zoning map per topographic analysis
| development_permission_required | 1[18] |
|---|---|
| idempotent_development_control | Three-Month IDC sub-type available[19] |
| standards_address | slope stability, erosion, grading, drainage, landscaping, structural integrity[20] |
HCD
Historic Conservation District
HPLocally designated historic districts and landmarks; Cincinnati has multiple designated historic neighborhoods
| certificate_of_appropriateness | 1[21] |
|---|---|
| review_board | Historic Conservation Board (HCB)[22] |
| standards_govern | exterior changes including materials, windows, rooflines, mass per adopted conservation guidelines[23] |
| demolition_by_neglect_prohibited | 1[24] |
UD
Urban Design Overlay District
DTProperties in designated UD overlay areas, mapped and identifiable via OpenCincy/CAGIS
| development_review | Zoning Hearing Examiner review required[25] |
|---|---|
| standards_govern | site layout, building placement, pedestrian access, compatibility[26] |
| height_reduction | 50 |
IDC
Interim Development Control (IDC) Districts
SPDApplied to areas in planning study or subject to imminent rezoning; three-month or longer duration
| development_restrictions | Restricts development during active planning review periods |
|---|
PD
Planned Development Districts
PDProperties rezoned to PD through applicant request and City Council approval
| custom_standards | Uses and development standards set by applicant's Final Development Plan (FDP) |
|---|---|
| approval_authority | City Council |
Adopted building codes
Statewide
Click a code label to open its state-by-state adoption atlas.
Quirks & notes
- Cincinnati operates TWO parallel zoning codes simultaneously: Title XIV (traditional Euclidean, 1400-series) governs most of the city, while the Land Development Code (LDC, 1700-series) introduces form-based transect zones within designated NBDs and corridors. A property may be subject to either or both systems, creating complexity.
- SF district names encode lot area minimums in thousands of sq ft (SF-2 = 2,000 sf minimum), making SF-2 one of the most permissive single-family minimum lot sizes among major US cities.
- Connected Communities reform (June 2024, Emer. Ord. 199-2024) is a major local reform that allows 2-, 3-, and 4-family housing near NBDs in previously exclusively single-family zones. Rowhouses now permitted in SF-2. This is the most significant local zoning reform in Cincinnati in decades.
- LIHTC projects receive automatic zoning relief: lot area density relief, parking minimums waived, and 12 ft height bonus embedded in the zoning code (§1703-5.50). This is a city-level affordable housing incentive mechanism built directly into dimensional standards.
- Setback escalation for RM buildings above 35 ft is complex: two separate alternative formulas exist in Schedule 1405-07, and it is unclear which applies in which circumstance. Requires direct code read of Schedule 1405-07 and Figure 1405-07.
- Hillside Overlay District affects a very large share of Cincinnati's residential land given the city's dramatic topography; not a rare exception but a common condition throughout much of the city.
Formulas
Definitions
- height
- Maximum vertical distance from finished grade to roofline or architectural feature; measured per municipal code definitions
- lot_coverage
- Building footprint area divided by total lot area; decimal format (0.50 = 50%)
- du_per_acre
- Dwelling units per acre; calculated from lot area and unit density standards
- setback_escalation_rm_above_35ft
- For RM buildings above 35 ft: either 1 ft per 1 ft of height OR 1 ft per 5 ft of height depending on application; side yard escalation adds 0.5–1 ft minimum and 1–2 ft total per formulation
Capacity calculations
- max_du_sf_district
Lot area (sf) divided by minimum lot area per unit (sf)- max_height_with_hillside_overlay
May be further restricted by Hillside Overlay topographic standards
Massing explorer
Interactive 3D comparison across every district. Drag to orbit, scroll to zoom, use the slider to walk districts, and toggle applicable overlays in the right-side panel.
Sort by
Max height
— ft
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Floor area ratio
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Lot coverage
—%
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Setbacks (F / S / R)
— ft
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Parking
— /unit
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Max density
— du/ac
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Min lot size
— sf
——
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| District | Category | Height | FAR | Coverage | Setbacks | Parking | Density | Min lot | Overlays |
|---|
Sources & references
Citations
- [1] §1403-03
- [2] i
- [3] §1403-03
- [4] i
- [5] §1403-03
- [6] i
- [7] §1403-03
- [8] i
- [9] i
- [10] §1405-07
- [11] §1703
- [12] §1703
- [13] §1703
- [14] §1703
- [15] §1703
- [16] §1703
- [17] §1703
- [18] §1433-21
- [19] §1433
- [20] §1433
- [21] §1435-09
- [22] §1435-05
- [23] §1435-07
- [24] §1435-09-4
- [25] §1437
- [26] §1437-09
Research status
Data quality
58%completeness28 confirmed22 partial6 inferred
Documented gaps
- SF dimensional schedule (Schedule 1403-07): Full table values (front setback, side setback, height by district) not extracted; last amended July 1, 2024 via Emergency Ordinance 199-2024
- RM-L, RM-M, RM-H district parameters: Dimensional table values for these tiers not extracted from primary source
- LDC form-based districts (PX, NX, CX, CG, DD, RF): Parameters from October 2014 draft; may not reflect adopted final LDC standards
- Connected Communities design standards for multi-family in SF areas: Partial data; verify against primary code §1403-07 as amended
- Mapping verification: Use OpenCincy or CAGIS for property-level zoning including overlay district assignments
Known issues
schema:v1-legacypriority:lowdata:gaps-present
Other cities in this state
Nearest-alphabetical profiles. Click through to compare zoning patterns side-by-side.