R4-B zone in Chilliwack: Low Density Multi – Unit Secondary Suite

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

In short

Main uses: Duplex, Townhouse.

Zone rules

Main uses	Duplex Townhouse
Also allowed (secondary uses)	Accessory Home Occupation Off-Street Parking Supportive Recovery Home Townhouse Accessory Dwelling Unit Urban Ancillary Use
Minimum lot area	1200 m²
Minimum lot width	30 m (minimum lot depth 30 m)
Maximum lot coverage	50% (all buildings and structures); urban ancillary uses 30 m² per dwelling unit
Maximum density	40 dwelling units per ha (all uses); floor area ratio 0.75
Maximum height	10 m (residential use)
Maximum height, accessory buildings	4 m (urban ancillary uses)
Front setback	6 m
Rear setback	6 m
Interior side setback	3 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 townhouse accessory dwelling unit is permitted within a townhouse or duplex, up to 90 m² gross floor area and less than 40% of the strata unit's habitable floor space Parking for secondary suites must be signed for the sole use of the suite tenant; 0.2 extra visitor stalls are required per townhouse accessory dwelling unit A duplex may only be permitted together with a townhouse development Where there is more than one residential structure on a lot or in a strata, dwelling units must be 9 m apart face-to-face, rear yard to rear yard or rear yard to side yard, and 3 m apart side-by-side

Source: Zoning Bylaw 2020, No. 5000 (City's consolidated copy, includes amendments through Bylaw 2026, No. 5592, October 20, 2026), s. 8.10 (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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