R4-B Zoning in Chilliwack — Low Density Multi-Unit Secondary Suite

R4-B: Low Density Multi-Unit Secondary Suite is a residential zoning district in the City of Chilliwack. Townhouse development where each unit may carry its own accessory suite.

On a typical R4-B-zoned lot you can expect an FSR of about 0.75, a maximum height of 10 m, and site coverage up to 50%. Exact figures vary with lot size, frontage, and form of development, so look up your specific address to confirm.

Intent of the R4-B district

Townhouse development where each unit may carry its own accessory suite.

R4-B at a glance

Floor space ratio (FSR)	0.75
Max height	10 m
Site coverage	50%
Zone category	Residential

Density tiers in R4-B

Tier	Min lot area	Max units	FSR	Max height
Low Density Multi-Unit Secondary Suite	1200 m²	—	0.75	10 m

Permitted uses in R4-B

Duplex
Townhouse

R4-B zoning FAQ

What is R4-B zoning in Chilliwack?

R4-B (Low Density Multi-Unit Secondary Suite) is a residential zoning district in the City of Chilliwack. Townhouse development where each unit may carry its own accessory suite.

What can you build on R4-B-zoned land in Chilliwack?

Permitted uses in R4-B include Duplex, Townhouse. Permitted uses are allowed outright; conditional uses may require Development Permit Board approval.

What is the FSR for R4-B in Chilliwack?

Floor Space Ratio (FSR) in R4-B is about 0.75. ZoneScout calculates the maximum buildable floor area for your specific lot.

How tall can a building be in R4-B?

R4-B permits a maximum building height of 10 m. Height can be affected by view corridors, setbacks, and the specific form of development.

Other residential zones in Chilliwack

Look up a specific address in Chilliwack

Source: official Chilliwack zoning bylaw (PDF) · updated September 2026