RS-1b Zoning in Maple Ridge — Single Detached (Medium Density) Residential
RS-1b: Single Detached (Medium Density) Residential is a residential zoning district in the City of Maple Ridge. Provides for medium density Single Detached Residential use on lots of at least 557.0 square metres (s.607.1.1).
On a typical RS-1b-zoned lot you can expect up to 3 dwelling units, a maximum height of 9.5 m, and site coverage up to 40%. Exact figures vary with lot size, frontage, and form of development, so look up your specific address to confirm.
Intent of the RS-1b district
Provides for medium density Single Detached Residential use on lots of at least 557.0 square metres (s.607.1.1).
RS-1b at a glance
| Max dwelling units | 3 |
|---|---|
| Max height | 9.5 m |
| Site coverage | 40% |
| Zone category | Residential |
Density tiers in RS-1b
| Tier | Min lot area | Max units | FSR | Max height |
|---|---|---|---|---|
| Single Detached (Medium Density) Residential | 557 m² | 3 | — | 9.5 m |
| Single Detached (Medium Density) Residential | 371 m² | 2 | — | 9.5 m |
Permitted uses in RS-1b
- Single Detached Residential
- Urban Infill Residential (subject to s.402.29)
RS-1b zoning FAQ
What is RS-1b zoning in Maple Ridge?
RS-1b (Single Detached (Medium Density) Residential) is a residential zoning district in the City of Maple Ridge. Provides for medium density Single Detached Residential use on lots of at least 557.0 square metres (s.607.1.1).
What can you build on RS-1b-zoned land in Maple Ridge?
Permitted uses in RS-1b include Single Detached Residential, Urban Infill Residential (subject to s.402.29). Permitted uses are allowed outright; conditional uses may require Development Permit Board approval.
How tall can a building be in RS-1b?
RS-1b permits a maximum building height of 9.5 m. Height can be affected by view corridors, setbacks, and the specific form of development.
How many units are allowed in RS-1b zoning?
RS-1b allows up to 3 dwelling units on an eligible lot. Under the Province's Bill 44 Small-Scale Multi-Unit Housing rules, most standard residential lots in Maple Ridge now permit multiple units outright. The exact number depends on lot size and whether rental tenure is secured.
Other residential zones in Maple Ridge
- R-1 — Single Detached (Low Density) Urban Residential
- R-2 — Single Detached (Medium Density) Urban Residential
- R-3 — Single Detached (Intensive) Urban Residential
- R-4 — Single Detached (Infill) Urban Residential
- RE — Elderly Citizens Residential
- RG — Cluster Housing Residential
- RG-2 — Suburban Residential Strata
- RM-1 — Low Density Townhouse Residential
Look up a specific address in Maple Ridge
Source: official Maple Ridge zoning bylaw (PDF) · updated August 2026