RT-3A zone in New Westminster

Queensborough Townhouse District (RT-3A). Allow townhouse development in the Queensborough neighbourhood (s.418.1).

Find lots in New Westminster How many homes can I build in New Westminster?

264lots in this zone on the map

6,983 m²median lot size (75,164 ft²)

488–15,937 m²smallest to largest lot

8.53 mmaximum height (28 ft)

The rules

Name	Queensborough Townhouse District (RT-3A)
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	0.9
Floor space notes	FSR 0.9, excluding at-grade flood-control parking/access areas (s.418.19-418.21).
Height	8.53 m (28 ft) · 3 storeys
Height notes	3 storeys and 8.53 m.
Lot coverage	40%
Coverage notes	Principal buildings 40%.
Setbacks	front 3.05 m (10 ft), side 4.57 m (15 ft), rear 4.57 m (15 ft)
Setback notes	Front 3.05 m, rear 4.57 m, side 4.57 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.418.1-418.24

What you can use it for

Townhouses / rowhousesDuplex (RT-1 standards)Single detached dwelling (RQ-1 standards)Single detached dwelling (RT-2D standards)Home based businessPublic utilities

What BC law allows on these lots

4 homes (lots over 280 m²)32 lots
6 homes (near frequent transit)23 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-3A

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-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 RT-3B 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.