Overview
Code type
euclidean
Naming convention
density-numeric (residential R-N where N ≈ max du/ac); letter-code (commercial/industrial)
Vancouver WA R-2..R-50 residential codes are density-encoded (suffix = approximate max du/ac). This is opposite convention from Worcester MA (RS-10 = 10,000 SF lot). Commercial/industrial use letter suffixes (CX/CN/WX/OCI/IL/IG).
Districts
res_mf 6res_sf 4ind 2res_th 1cbd 1com 1mu 1off 1
| Code | Name | Category | Min lot | Height | Coverage | FAR | Du/ac | Parking | Setbacks F/S/R |
|---|---|---|---|---|---|---|---|---|---|
| R-2 | Large Lot Residential — 2.5 ac | res_sf | — | — | — | — | — | — | — / — / — |
| R-4 | Single-Family Residential — Low Density | res_sf | — | — | — | — | — | — | — / — / — |
| R-6 | Single-Family Residential — Medium-Low Density | res_sf | — | — | — | — | — | — | — / — / — |
| R-9 | Single-Family Residential — Medium Density | res_sf | — | — | — | — | — | — | — / — / — |
| R-17 | Mixed Residential — Medium Density | res_mf | — | — | — | — | — | — | — / — / — |
| R-18 | Townhouse / Garden Apartment — Medium Density | res_th | — | — | — | — | — | — | — / — / — |
| RM-series | Multifamily Residential — Low-Medium Density | res_mf | — | — | — | — | — | — | — / — / — |
| R-22 | Urban Multifamily — Medium Density | res_mf | — | — | — | — | — | — | — / — / — |
| R-30 | High-Density Multifamily | res_mf | — | — | — | — | — | — | — / — / — |
| R-35 | Very High-Density Urban / TOD | res_mf | — | — | — | — | — | — | — / — / — |
| R-50 | Very High-Density Urban / TOD — Premium | res_mf | — | — | — | — | — | — | — / — / — |
| CX | City Center / Downtown Mixed-Use | cbd | — | — | — | — | — | — | — / — / — |
| CN | Neighborhood Commercial | com | — | — | — | — | — | — | — / — / — |
| WX | Waterfront Mixed-Use | mu | — | — | — | — | — | — | — / — / — |
| OCI | Office Commercial Industrial | off | — | — | — | — | — | — | — / — / — |
| IL | Light Industrial | ind | — | — | — | — | — | — | — / — / — |
| IG | General Industrial | ind | — | — | — | — | — | — | — / — / — |
Confidence: confirmed partial under review not found
Overlays
SMP
Shoreline Master Program
shoreline_environmentalFP
Floodplain Overlay District
hazard_floodplainHP
Historic Reserve / Heritage Overlay District
historic_preservationCOR
Fourth Plain Corridor Overlay District
corridor_designTOD
Transit-Oriented Development Overlay
transit_orientedState preemptions
WA-HB-1110-middle-housingapplies
Effect
4-plex by-right in all SF residential zones (R-2, R-4, R-6, R-9, R-17); 6-plex by-right within ½ mi of 'major transit stop' (RCW 81.104.015) if ≥2 units affordable; cannot require lots larger than SF minimum; parking capped at 1/unit (0 within ½ mi major transit)
WA-HB-1337-ADUsapplies
Effect
≥2 ADUs per lot in all residential zones; no owner-occupancy; no off-street parking within ½ mi of transit; cannot cap detached ADU below 1,000 SF; connection/impact fees limited
WA-E2SHB-1220-comp-plan-housingapplies
Effect
Must plan for / accommodate permanent supportive housing + emergency shelters; shelters must be allowed in at least one zone; cannot prohibit transitional/PSH in residential zones
WA-SB-5184-lot-splittingapplies
Effect
Lot splits enabled to support HB 1110 unit counts on existing SF lots
Adopted building codes
Statewide; update sched May 2026
Click a code label to open its state-by-state adoption atlas.
Quirks & notes
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
—%
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Setbacks (F / S / R)
— ft
——
Parking
— /unit
——
Max density
— du/ac
——
Min lot size
— sf
——
Copy zoning profile
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| District | Category | Height | FAR | Coverage | Setbacks | Parking | Density | Min lot | Overlays |
|---|
Sources & references
Research status
Publication gates
| primary url present | passed | |
|---|---|---|
| no aggregator cited | passed | |
| confidence tags full form | passed | |
| overlays have parameters trigger confidence | passed | |
| preempt section city specific | passed |
Known issues
freshness:volatile
Other cities in this state
Nearest-alphabetical profiles. Click through to compare zoning patterns side-by-side.