Districts
res_sf 7mu 4ind 3
| Code | Name | Category | Min lot | Height | Coverage | FAR | Du/ac | Parking | Setbacks F/S/R |
|---|---|---|---|---|---|---|---|---|---|
| RN-1 | Residential Neighborhood 1 | res_sf | 10,000 sf | 35 ft | 0.4 | 0.5 | 6 | 2 | 25 / 25 / 10 |
| RN-2 | Residential Neighborhood 2 | res_sf | 6,500 sf | 35 ft | 0.35 | 0.5 | 10 | 2 | 25 / 25 / 10 |
| RN-3 | Residential Neighborhood 3 | res_sf | 6,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| RN-4 | Residential Neighborhood 4 | res_sf | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| RN-5 | Residential Neighborhood 5 | res_sf | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| RN-6 | Residential Neighborhood 6 | res_sf | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| RN-7 | Residential Neighborhood 7 | res_sf | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| B-1 | Business 1 | mu | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| B-2 | Business 2 | mu | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| B-2b | Business 2b | mu | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| B-2c | Business 2c | mu | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| I-L | Industrial Light | ind | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| I-M | Industrial Medium | ind | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
| I-H | Industrial Heavy | ind | 5,000 sf | 35 ft | 0.5 | 0.5 | — | 2 | 25 / 25 / 10 |
Confidence: confirmed partial under review not found
Overlays
CFR
Coastal Flood Resilience
FPApplies to: Residential, Commercial, Mixed-Use, Office
| coverage adjustment (%) | -10 |
|---|---|
| setback addition (ft) | 15 |
HD
Historic
HPApplies to: Residential, Commercial, Office, Mixed-Use
| coverage adjustment (%) | -10 |
|---|---|
| density multiplier | -0.2 |
| lot size multiplier | 0.15 |
A1
Shoreland Zone
ENVApplies to: Residential, Commercial, Mixed-Use, Office
| coverage adjustment (%) | -10 |
|---|---|
| setback addition (ft) | 15 |
A1
Floodplain Zone
FPApplies to: Residential, Commercial, Mixed-Use, Office
| coverage adjustment (%) | -10 |
|---|---|
| setback addition (ft) | 15 |
A1
Resource Protection Zone
specApplies to: Residential, Commercial, Mixed-Use, Office
| coverage adjustment (%) | -10 |
|---|---|
| setback addition (ft) | 15 |
Adopted building codes
Cities > 4,000 pop
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.
Sort by
Max height
— ft
——
Floor area ratio
—
——
Lot coverage
—%
——
Setbacks (F / S / R)
— ft
——
Parking
— /unit
——
Max density
— du/ac
——
Min lot size
— sf
——
Copy zoning profile
Loading…
| District | Category | Height | FAR | Coverage | Setbacks | Parking | Density | Min lot | Overlays |
|---|
Research status
Data quality
11%completeness7 confirmed37 partial18 inferred
Documented gaps
- Quirks not populated — requires markdown source review
Known issues
schema:v1-legacypriority:lowdata:gaps-present