RT-1 Zoning in Maple Ridge — Two-Unit (Duplex) Urban Residential
RT-1: Two-Unit (Duplex) Urban Residential is a residential zoning district in the City of Maple Ridge. Provides for Single Detached Residential and Two-Unit (Duplex) Residential uses with a minimum lot area of 750.0 square metres, or 557.0 square metres within the Town Centre Area shown on Schedule C (s.615.1.1).
On a typical RT-1-zoned lot you can expect up to 2 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 RT-1 district
Provides for Single Detached Residential and Two-Unit (Duplex) Residential uses with a minimum lot area of 750.0 square metres, or 557.0 square metres within the Town Centre Area shown on Schedule C (s.615.1.1).
RT-1 at a glance
| Max dwelling units | 2 |
|---|---|
| Max height | 9.5 m |
| Site coverage | 40% |
| Zone category | Residential |
Density tiers in RT-1
| Tier | Min lot area | Max units | FSR | Max height |
|---|---|---|---|---|
| Two-Unit (Duplex) Urban Residential | 750 m² | 2 | — | 9.5 m |
| Two-Unit (Duplex) Urban Residential | 557 m² | 2 | — | 9.5 m |
| Two-Unit (Duplex) Urban Residential | 750 m² | 2 | — | 9.5 m |
Permitted uses in RT-1
- Single Detached Residential
- Two-Unit (Duplex) Residential
- Urban Infill Residential (subject to s.402.29)
RT-1 zoning FAQ
What is RT-1 zoning in Maple Ridge?
RT-1 (Two-Unit (Duplex) Urban Residential) is a residential zoning district in the City of Maple Ridge. Provides for Single Detached Residential and Two-Unit (Duplex) Residential uses with a minimum lot area of 750.0 square metres, or 557.0 square metres within the Town Centre Area shown on Schedule C (s.615.1.1).
What can you build on RT-1-zoned land in Maple Ridge?
Permitted uses in RT-1 include Single Detached Residential, Two-Unit (Duplex) 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 RT-1?
RT-1 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 RT-1 zoning?
RT-1 allows up to 2 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