Districts
| Code | Name | Category | Min lot | Height | Coverage | FAR | Du/ac | Parking | Setbacks F/S/R |
|---|---|---|---|---|---|---|---|---|---|
| R-1A | R-1A | res_sf | 87,120 sf | 35 ft | 0.35 | 0.5 | — | 2 | 40 / 40 / — |
| R-1B | R-1B | res_sf | 43,560 sf | 35 ft | 0.35 | 0.5 | — | 2 | 40 / 40 / — |
| R-1C | R-1C | res_sf | 21,780 sf | 35 ft | 0.35 | 0.5 | — | 2 | 40 / 40 / — |
| R-1D | R-1D | res_sf | 14,520 sf | 35 ft | 0.35 | 0.5 | — | 2 | 40 / 30 / — |
| R-1E | R-1E | res_sf | 9,000 sf | 35 ft | 0.35 | 0.5 | — | 2 | 30 / 30 / — |
| R-1 | R-1 | res_sf | 7,300 sf | 35 ft | 0.4 | 0.5 | — | 2 | 30 / 30 / — |
| R-2 | R-2 | res_sf | 5,000 sf | 35 ft | 0.4 | 0.5 | — | 2 | 30 / 30 / — |
| R-3 | R-3 | res_mf | 5,000 sf | 35 ft | 0.45 | 0.5 | — | 2 | 25 / 25 / — |
| R-4 | R-4 | res_mf | 3,000 sf | 35 ft | 0.45 | 0.5 | — | 2 | 25 / 25 / — |
Confidence: confirmed partial under review not found
Overlays
Applies to: Residential, Commercial, Mixed-Use, Office
| coverage adjustment (%) | -10 |
|---|---|
| setback addition (ft) | 15 |
Applies to: Residential, Commercial, Office, Mixed-Use
| height multiplier | -0.05 |
|---|
Applies to: Residential, Commercial, Office, Mixed-Use
| height multiplier | -0.05 |
|---|---|
| setback addition (ft) | 5 |
Applies to: Residential, Commercial, Office, Mixed-Use
| height multiplier | -0.05 |
|---|---|
| setback addition (ft) | 5 |
Applies to: Residential, Commercial, Office, Mixed-Use
| height multiplier | -0.05 |
|---|---|
| setback addition (ft) | 5 |
Applies to: Residential, Commercial, Office, Mixed-Use
| height multiplier | -0.05 |
|---|---|
| setback addition (ft) | 5 |
Applies to: Residential, Commercial, Office, Mixed-Use
| height multiplier | -0.05 |
|---|
Applies to: Residential, Commercial, Office, Mixed-Use
| height multiplier | -0.05 |
|---|
Applies to: Residential, Commercial, Office, Mixed-Use
| height multiplier | -0.05 |
|---|---|
| setback addition (ft) | 5 |
Adopted building codes
Statewide w/ local amendments
Click a code label to open its state-by-state adoption atlas.
Formulas
Definitions
- height
- Grade to highest point of structure.
- lot_coverage
- Building footprint / lot area.
- far
- Gross floor area / lot area.
- du_ac
- Dwelling units per gross acre.
- setback_front
- Front property line to nearest building face.
- setback_side
- Side property line to nearest building face.
- setback_rear
- Rear property line to nearest building face.
- parking
- Spaces per dwelling unit unless noted.
Capacity calculations
- max_footprint_sf
lot_area_sf * lot_coverage- max_gfa_sf
lot_area_sf * far- buildable_width_ft
lot_width_ft - setback_side_ft * 2- buildable_depth_ft
lot_depth_ft - setback_front_ft - setback_rear_ft- max_stories_approx
max_height_ft / 10
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.
| District | Category | Height | FAR | Coverage | Setbacks | Parking | Density | Min lot | Overlays |
|---|
Research status
Data quality
- Quirks not populated — requires markdown source review