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RM-6B zone in New Westminster

Multiple Unit Residential District (High Density), sub-district RM-6B. Allow multiple unit residential uses at a high density, with an opportunity to increase density upon amenity provisions being met (s.460.1).

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

1,202lots in this zone on the map

5,663 m²median lot size (60,956 ft²)

1,619–12,000 m²smallest to largest lot

45 mmaximum height (148 ft)

The rules

Name	Multiple Unit Residential District (High Density), sub-district RM-6B
Homes allowed	No unit cap; FSR-based
Floor space ratio	2.5 on lots over 1,765 m²
Floor space notes	RM-6B maximum base density 2.50 FSR on sites >= 1765.16 m2 (s.460.6). Smaller sites use: max FSR = (lot area in sq ft - 9,000) x 0.00013 + 1.2 (s.460.5; Bylaw 8436, 2024) - not encodable as a flat tier, so no tier is given below 1765.16 m2 (e.g. about 1.2 at 836 m2, about 1.6 at 1,115 m2 by that formula). Single detached dwellings follow RS-1 and duplexes RT-1 (s.460.3-460.4).
Height	45 m (148 ft)
Height notes	45 m or the height shown on the s.190.49.5 height map, whichever is less; 209 Carnarvon Street max 25.91 m (s.460.7). Bonus heights for (DB)-suffixed sites: 30.48 m (Residential - Mid Rise Apartment) or 73.15 m (Residential - Tower Apartment / Mixed Use High Density) (s.460.9).
Coverage notes	Section 460 sets no site coverage limit.
Setback notes	Section 460 sets no yard/setback requirements (none in the district text; general regulations and Downtown development permit guidelines may apply).
Bonus density	(DB)-suffixed RM-6 properties may reach 3.0 FSR (Mid Rise), 4.0 FSR (Tower) or 5.2 FSR (Mixed Use High Density) per the Downtown Community Plan designation, if the Amenity Density Bonus requirements in the General Regulations are met (s.460.8-460.9).
Bylaw sections	s.460.1-460.9 (Bylaws 7767/2015, 7924/2018, 7936/2017, 8436/2024)

What you can use it for

Multiple dwellingsDuplexes (RT-1 rules)Single detached dwellings (RS-1 rules; detached ADU only on OCP RD/RGO lots)Child care (s.170.13)Home based businesses

What BC law allows on these lots

Transit-oriented area (taller buildings)1,154 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-6B

No addressed lots in this zone on the map.

Other zones in New Westminster

RGO-A RM-4 RGO-B 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.