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RM-4 zone in New Westminster

Multiple Dwelling District (High Rise). Allow high-rise multi-family development to 70 units per acre, plus bonuses for underground parking and reduced site coverage (s.440.1).

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

1,533lots in this zone on the map

4,750 m²median lot size (51,129 ft²)

63–13,689 m²smallest to largest lot

The rules

Name	Multiple Dwelling District (High Rise)
Homes allowed	70 units per net acre base, plus up to +20 for structured parking and +2 per 1% coverage below 40% (s.440.16)
Floor space ratio	4
Floor space notes	Maximum FSR 4.0 (s.440.16(c)); seniors housing base FSR 1.6 plus parking/coverage bonuses (s.440.17).
Height	· 4 min storeys
Height notes	Apartments of not less than 4 storeys (s.440.5); no maximum height figure found; tower floorplate width limits above 12.19 m (s.440.18).
Lot coverage	40%
Coverage notes	40% (s.440.15).
Setbacks	front 7.62 m (25 ft)
Setback notes	Front 7.62 m; rear 20% of depth up to 7.62 m or 20% of height, whichever is greater; side 50% of height up to 9.14 m plus 20% of height above (plus 2.44 m to a street) (s.440.10-440.13).
Bonus density	Unit bonus for underground/structured parking and site coverage under 40% (s.440.16).
Bylaw sections	s.440.1-440.18

What you can use it for

Apartment buildings and multiple dwellings (4+ storeys)Duplex (RT-1 standards)Single detached dwelling (RS-1 standards)Child care

What BC law allows on these lots

Transit-oriented area (taller buildings)481 lots

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

Example lots in RM-4

No addressed lots in this zone on the map.

Other zones in New Westminster

RGO-A 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 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.