S20s zone in Mission: Suburban 20 Secondary Dwelling

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

In short

Allow a single family dwelling, duplex, triplex, fourplex or infill townhouses with a secondary detached unit and compatible accessory uses on Suburban Residential land.

Zone rules

Purpose	Allow a single family dwelling, duplex, triplex, fourplex or infill townhouses with a secondary detached unit and compatible accessory uses on Suburban Residential land.
Main uses	Single Family Dwelling Duplex Triplex (where municipal water and sanitary sewer is available) Fourplex (where municipal water and sanitary sewer is available) Infill Townhouse (where municipal water and sanitary sewer is available) Only one of these residential uses is allowed on a lot.
Also allowed (secondary uses)	Accessory Building Accessory Structure Enclosed Storage (Shipping Container) Agriculture (Hobby Greenhouse) Agriculture (Minor) (lot at least 0.2 ha) Home Occupation Boarding Use (in a Single Family Dwelling or Duplex only) Residential Care (in a Single Family Dwelling only) Secondary Suite, Coach House or Garden Cottage (not with a Duplex) Enclosed Storage Boarding Use, Residential Care or a Secondary Detached/Dwelling Unit (not with a Duplex) is added to the Home Occupation.
Minimum lot area	0.2 ha (with municipal water); 0.7 ha (without municipal water)Applies to lots created by subdivision.
Minimum lot width	30.0 m (corner lot); 25.0 m (non-corner lot)
Maximum lot coverage	20% of the lot area
Maximum density	Floor space ratio not applicable
Maximum height	11.0 m
Maximum height, accessory buildings	6.0 m (other accessory buildings/structures); 9.0 m (coach house)
Front setback	7.5 m
Rear setback	7.5 m
Interior side setback	3.0 m
Street side setback	4.5 m
Accessory building setbacks	front 7.5 m, rear 1.3 m, interior side 1.5 m, exterior side 4.5 m
Other rules	Buildings must be at least 6.0 m from undevelopable areas Impervious surfaces may cover no more than 30% of the lot Agriculture (Minor) buildings need 15.0 m setbacks on all sides Hobby greenhouse limited to one building up to 35.0 sq m

Source: Zoning Bylaw 5949-2020 (City of Mission consolidation, includes amending bylaws adopted through September 21, 2026 (Bylaw 6434-2026)), s. 1004 (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 document says it is reproduced for convenience only and is a consolidation of the bylaw with its amending bylaws. Several sections hold more than one zone (for example Section 901 holds R465, R558, R669 and R930), so those zones share one line range. Zones CD8, CD11, CD13 and CD18 are listed in the contents as rescinded and are left out; CD16 is also rescinded. 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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