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RT-3B zone in New Westminster

Queensborough Townhouse District (RT-3B). Allow low-density townhouse development in Queensborough areas designated Residential Low Density (s.419.1).

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26lots in this zone on the map

152 m²median lot size (1,641 ft²)

138–172 m²smallest to largest lot

10.7 mmaximum height (35 ft)

The rules

Name	Queensborough Townhouse District (RT-3B)
Homes allowed	Townhouses/rowhouses (min 79 m2 per unit), duplexes (RT-1) and houses (RQ-1 standards); no residential use at street-level first storey except entries.
Floor space ratio	0.62
Floor space notes	FSR 0.62, excluding at-grade flood-control parking/access areas (s.419.19-419.21).
Height	10.7 m (35 ft) · 3 storeys
Height notes	3 storeys and 10.7 m.
Lot coverage	35%
Coverage notes	Principal buildings 35%.
Setbacks	front 3.05 m (10 ft), side 1.82 m (6 ft), rear 4.57 m (15 ft)
Setback notes	Front 3.05 m, rear 4.57 m, side 1.82 m; building separations 2.13-4.88 m (side walls) or 50% of combined heights plus up to 1.83 m (front/rear walls) by unit count.
Bylaw sections	s.419.1-419.24

What you can use it for

Townhouses / rowhousesDuplex (RT-1 standards)Single detached dwelling (RQ-1 standards)Home based businessPublic utilities

What BC law allows on these lots

3 homes (lots up to 280 m²)26 lots

Our estimate per lot under BC's Bills 44 and 47, from lot size, transit distance and the urban boundary.

Example lots in RT-3B

No addressed lots in this zone on the map.

Other zones in New Westminster

RGO-A RM-4 RGO-B RM-6B RM-2 RM-5A RS-1 RQ-1 RM-6A NR-1 RS-2 RMW-2A RM-2A RT-A RMW-3B RT-3A RT-3 RMW-3 NR-2 RT-2D RS-4 RT-1 RM-1A RM-1 RQ-5 RT-2E RT-2B RM-5 RS-5 RT-2F RW-1 RT-B RS-6 RT-2 RM-6 NR-5

Read from New Westminster Zoning Bylaw No. 6680, 2001 (section consolidations to 2025-05-26, plus adopted amendments Bylaw 8524 (Townhouse Zoning Update) and Bylaw 8578, 2026 (Infill Housing Program, footer-dated 2026-06-08); official consolidation to 2025-11-17 not retrievable) ↗, checked 2026-10-21. Summaries are our reading of the bylaw: confirm with New Westminster before buying or designing. Page rebuilt October 25, 2026.