RS-1d: Single Detached (Half Acre) Residential

What the zone allows

Homes allowed

One house or one duplex (two homes under one roof, sharing walls along at least 15% of the building's perimeter or one above the other, s. 609.11), each home with a secondary suite, and a detached garden suite. Inside the Urban Containment Boundary (Schedule A), urban infill (s. 402.29): a house, duplex, triplex, fourplex, or courtyard or townhouse homes, with secondary suites and garden suites, up to 4 homes in all on a lot over 280 m² and up to 0.4 ha (3 on a lot of 280 m² or less, 6 within 400 m of a bus stop with service every 15 minutes, as the bylaw defines it); on a lot over 0.4 ha, 3 homes: a house, a secondary suite and a garden suite. Outside the boundary, 3 homes: a house, a secondary suite and a garden suite (s. 402.29(3)). Not in a Transit-Oriented Area (Schedule H; s. 402.29(7)(e)). Whether a lot is inside the boundary or near such a bus stop we don't check: ask the City

Main uses

A house, a duplex, urban infill homes (s. 402.29), boarding, a detached garden suite, a secondary suite, hobby beekeeping, home occupations, a neighbourhood daycare, short-term rental (s. 402.31); assisted living

Smallest lot for a subdivision

2,000 m², 30 m wide, 40 m deep (s. 609.4, Schedule B)

Lot coverage

15% with a house, 25% with a duplex, all buildings together; urban infill 50% (60% with up to 6 homes)

Height limit

House or duplex 9.5 m; accessory buildings 4.5 m; garden suite as s. 402.11 sets

Setbacks

House or duplex: front, rear and street side 9.0 m, sides 2.5 m (5.0 m from a high-pressure gas right-of-way at the rear on lots created after October 31, 1986); accessory buildings front 3.0 m, rear and sides 1.5 m, street side 3.0 m; urban infill as s. 402.29 sets

The zone is for lots inside the urban area that may have City water but may not be on the sewer (s. 609.1).

No floor area or density limit is set for the house in this zone (s. 609.5).

Albion Area Plan: applications complete before June 30, 2026 may use a density bonus of $3,100 a lot for lots of 557 to 2,000 m² under RS-1b rules (s. 402.8).

Urban infill (s. 402.29): coverage 50% with up to 4 homes, 60% with up to 6; front 5.5 m, rear 6.0 m, sides 1.2 m (1.5 m with up to 6 homes), street side 2.0 m on a lot under 800 m² with up to 4 homes, else 3.0 m; 9.5 m high, accessory buildings 4.5 m; each home its own outdoor space of 45 m² (3 or more bedrooms) or 30 m²; a lot off the sewer needs notice to Fraser Health, a lot off City water an engineer's or certified professional's word on the water; in a floodplain, floors above the flood construction level.

A detached garden suite: in the rear yard only, one storey, no basement, never strata-titled or subdivided; at most 140 m² or 15% of the lot, whichever is less (90 m² in the ALR); 4.5 m high and one storey on a lot under 0.4 ha (6.0 m above a garage on a lot with a lane), 6.0 m and one storey from 0.4 ha; set back 2.4 m from the rear line (1.5 m above a garage on a lane), 1.5 m from the sides, 3.0 m from a street side, 5.5 m from the front and 2.4 m from the house; a 1.5 m path to the front line and its own outdoor space (25% of its floor area or 10% of the lot, whichever is less); not with boarding, a caretaker's or farm worker's home or tourist accommodation on the lot (s. 402.11). On a lot of 0.4 ha or more it may be a manufactured home on a permanent foundation.

A secondary suite: one per home, inside it, never strata-titled; not with boarding or a caretaker's home on the lot; in a floodplain, its floor above the flood construction level (s. 402.24, s. 202).

Accessory buildings: 4.5 m high; front 3.0 m, rear and sides 1.5 m, street side 3.0 m, 1.5 m from the house; they count toward the lot coverage.

Boarding: at most 2 boarders in 2 rooms inside the house, for stays over 30 days, and not on a lot with a secondary suite or garden suite (s. 402.4).

Home occupations: by the residents, inside the home or an accessory building; on a lot under 1,200 m² at most 30% of the floor area up to 50 m² and 2 employees from elsewhere, from 1,200 m² 45% up to 100 m² and 3 (s. 402.14).

Short-term rental (stays of 30 days or less) is allowed only in the principal residence of the owner or a tenant the owner authorises, who lives there most of the year: one licence per property, either up to 3 rooms or one whole home (a suite or garden suite counts), at most 6 guests per home, one parking space per listing; not on a lot under 371 m², nor with assisted living, a caretaker's home or a neighbourhood daycare on the lot; in the ALR the Agricultural Land Commission's rules prevail (s. 402.31).

Sections 401 to 407 (general regulations, landscaping, retaining walls, heights) and the Off-Street Parking and Loading Bylaw also apply.

Site-specific exceptions listed in the bylaw by legal description can add or change uses for one property, and development permit areas, the ALR and building rules apply on top. Confirm with the City of Maple Ridge's planning department before you buy or build.

Source: Section 609 of City of Maple Ridge Zoning Bylaw No. 7600-2019 (summarised in our words, checked 2026-10-05); zone map: Open Government Licence – Maple Ridge.