R1-B zone in Chilliwack: Urban Duplex Residential

Chilliwack, British ColumbiaDraft, not yet reviewedBylaw read 2026-11-07

In short

Main uses: Duplex.

Zone rules

Main uses	Duplex
Also allowed (secondary uses)	Accessory Home Occupation Boarding Off-Street Parking Supportive Recovery Home Urban Ancillary Uses
Minimum lot area	630 m² (duplex)
Minimum lot width	20 m (minimum lot depth 25 m)
Maximum lot coverage	Urban ancillary uses: 45 m² per dwelling unit
Maximum density	Floor area ratio 0.6; 1 structure for principal residential use per lot
Maximum height	10 m (residential use)
Maximum height, accessory buildings	4 m (urban ancillary uses on a lot under 1000 m²); 6 m (lot 1000 m² or greater)
Front setback	6 m
Rear setback	7.5 m
Interior side setback	1.2 m
Street side setback	4.5 m
Accessory building setbacks	Urban ancillary uses: front 6 m, rear 1 m, interior side 1 m, exterior side 4.5 m
Other rules	A structure with a principal residential use must be at least 6 m wide overall, excluding additions and projections A residential use is allowed only if the lot is connected to both a community water system and a community sanitary sewer system

Source: Zoning Bylaw 2020, No. 5000 (City's consolidated copy, includes amendments through Bylaw 2026, No. 5592, October 20, 2026), s. 8.02 (read 2026-11-07)

Rules in the bylaw's general sections (parking, fences, suites, home businesses) also apply, and a lot can have site-specific rules. The City says the complete copy is provided for information purposes only and it is not responsible for its validity or completeness; a certified copy of the consolidated bylaw comes from Legislative Services. Zone pages are taken from the bylaw text by a research agent and have not yet been reviewed by a person: confirm with the bylaw before you rely on them. How answers are checked.

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