Walnut Grove, Township of Langley

21031 93B Ave: zoning and what you can build

21031 93B Ave is a 486 m² (5,231 sq ft) lot in Walnut Grove, Township of Langley. It is zoned R-1B (Residential). The zoning allows up to 4 homes on the lot. Sources: Township of Langley Zoning Bylaw No. 2500, Section 400 Residential Zones, section 402, and Township of Langley lot records downloaded October 28, 2026.

Homes allowed

Up to 4 homes

Up to 4 homes on one lot, because the lot is larger than 280 m² (3,014 sq ft) and meets the Township's conditions for small-scale multi-unit housing (up to 4 homes on one lot, joined or separate).

Zone

R-1B

Residential Zone R-1B

Lot size

486 m² (5,231 sq ft)

Measured from the lot outline in the public map data.

What the public records confirm

The lot is inside Metro Vancouver's urban containment boundary (the line between urban land and rural land).
The lot is smaller than 4,050 m² (43,594 sq ft).
Township records show sewer and water service on the lot.
The Township records no heritage status for the lot.
The lot is outside the Transit-Oriented Area around the planned 196 Street SkyTrain station.
The driveway opens onto 93B Ave, which the Township lists as a local road (this assumes the driveway is on the street of the address).
The lot is 486 m² (5,231 sq ft), which is larger than 280 m² (3,014 sq ft).

Home count: Township of Langley Zoning Bylaw No. 2500, Section 400 Residential Zones, section 402.2 and 102.

Lot outline from the public lot map data, to scale, north up.

What the public records say about this lot

Municipality: Township of Langley
Community plan area: Walnut Grove
Lot size (measured from the lot outline): 486 m² (5,231 sq ft)
Lot size the Township records (not verified): 5231 square feet
Parcel ID (PID): 018-817-947
Legal description: LT 6, SEC 36, TWP 8, NWD, PL LMP15546
Plan number: LMP15546
Sewer service (Township records): Yes
Water service (Township records): Yes
Agricultural Land Reserve: Outside the reserve
Heritage: No heritage status recorded
Development permit area: No
Urban containment boundary (Metro Vancouver): Inside
Road type of the address street (Township): Local

Zone R-1B

What zone R-1B allows

A zone for house lots. It allows one house with a suite or a separate accessory dwelling unit, or small-scale multi-unit housing where the lot qualifies.

A house (section 402.2)
A secondary suite (a second home inside the house) (section 102)
An accessory dwelling unit (a home in a separate building on the lot) (section 402.2)
A coach house (a home above a detached garage) (section 402.5)
Small-scale multi-unit housing (3 or 4 homes on one lot) (section 402.2)

What the zone allows

Accessory buildings. (section 402.1 1))
Home businesses, following Section 104.3. (section 402.1 2))
Homes, following Section 402.2. (section 402.1 3))

Lot size for new lots

New lots made by subdivision must be at least 464.5 m² (5,000 sq ft), with at least 15.25 m (50 ft) of frontage (width along the street) and at least 25 m (82 ft) of depth. (section 110.1)

How much of the lot buildings may cover

Buildings and structures may cover at most 35% of the lot. (section 402.3 1))
Coverage may go up to 45% when the buildings include infill housing: new detached homes on a lot that keeps a house or duplex built before Bylaw 6020 was adopted on November 18, 2024. (section 402.3 2) and 102)

Floor area and density

If a house has 280 m² (3,014 sq ft) or more of floor area (counting all garages and carports, and leaving out a basement), it may have at most 2 storeys plus a basement, and its second floor may be at most 80% of the size of its first floor (with garages and carports counted in the first floor). (section 402.3 3) a) and b))
For such a house, the first floor may be at most 0.8 m (2 ft 7 in) above the average ground level on any side that faces a street. On a lot with an average slope of 5% or more, up to 80% of a basement wall facing the street may show above ground, and a walkout basement at the back may be fully exposed. (section 402.3 3) c))
A third storey is not allowed when the lot has 1 or 2 homes. With 3 homes, a third storey may have up to 50% of the floor area of the first storey. With 4 homes, it may have up to 80%. (section 402.3 4))

Height

Infill housing within 7.5 m (24 ft 7 in) of the rear property line may be at most 4.5 m (14 ft 9 in) high, unless it is a coach house facing a lane. (section 402.5)
Any other building with a home in it may be up to 9 m (29 ft 6 in) high. (section 402.5)
Accessory buildings with no home in them may be up to 3.75 m (12 ft 4 in) high. (section 402.5)
Inside the Fort Langley area shown on the map in Section 104.5 3), buildings may be at most 9 m (29 ft 6 in) high and at most 2 storeys, with no room above the second storey. (section 104.5 2))

Distance from the property lines

On a lot with its driveway from the front street, the house must sit between 6 m (19 ft 8 in) and 7.5 m (24 ft 7 in) from the front property line, at least 3 m (9 ft 10 in) from the rear property line and at least 1.2 m (3 ft 11 in) from each side property line. On a side next to a collector or arterial street (a main road), the distance is at least 4.5 m (14 ft 9 in). (section 402.4 1))
On such a lot, an accessory dwelling unit or other accessory building of 6 m² (65 sq ft) or more must sit at least 6 m (19 ft 8 in) from the front property line, 1.5 m (4 ft 11 in) from the rear, 1.2 m (3 ft 11 in) from each side, and 4.5 m (14 ft 9 in) from a side next to a collector or arterial street. (section 402.4 1))
On such a lot, an accessory building under 6 m² (65 sq ft) must sit at least 7.5 m (24 ft 7 in) from the front property line, 0.6 m (2 ft) from the rear and sides, and 4.5 m (14 ft 9 in) from a side next to a collector or arterial street. (section 402.4 1))
On a lot with its driveway from a back lane, the house must sit at least 3.5 m (11 ft 6 in) from the front property line, 1 m (3 ft 3 in) from the rear property line, 1.2 m (3 ft 11 in) from each side, and 4.5 m (14 ft 9 in) from a side next to a collector or arterial street. (section 402.4 2))
On a lane lot, an accessory dwelling unit or other accessory building of 6 m² (65 sq ft) or more must sit at least 3.5 m (11 ft 6 in) from the front property line, 1.5 m (4 ft 11 in) from the rear, 1.2 m (3 ft 11 in) from each side, and 4.5 m (14 ft 9 in) from a side next to a collector or arterial street. (section 402.4 2))
On a lane lot, an accessory building under 6 m² (65 sq ft) must sit at least 6 m (19 ft 8 in) from the front property line, 0.6 m (2 ft) from the rear and sides, and 4.5 m (14 ft 9 in) from a side next to a collector or arterial street. (section 402.4 2))
Where a lot runs between two parallel streets as well as a lane, accessory buildings keep the same distance from the rear property line as from the front. (section 402.4 note (1))

Parking

Each home needs 1 parking space on the lot, and every lot needs at least 2 spaces. This rate covers houses, duplexes, mobile homes and small-scale multi-unit housing. (section 107.3 a) i))
For each main home, one of the required spaces needs a power outlet beside it that can charge an electric car at Level 2 or faster. (section 107.3 a) i) and note (1))
Lots in the Willowbrook Transit-Oriented Area need no parking spaces for homes, except spaces for people with disabilities. Any spaces built there for homes must have electric car charging outlets. (section 107.1 3))
On a corner lot with small-scale multi-unit housing of at least 3 homes, up to 2 more driveways may come in from the side property line, if that side street is a local street or lane and all driveways on the lot add up to no more than 12 m (39 ft 4 in) wide. (section 107.6 4))
On a lane lot, all parking must be in the rear yard with access from the lane. No parking space may open directly onto a road other than a lane. (section 402.6 1))

Secondary suites

A secondary suite is a second home inside a house. It must meet the BC Building Code and may have at most 120 m² (1,292 sq ft) of floor area. (section 102)
A house may have one secondary suite. A separate accessory dwelling unit is allowed only when the house has no suite. (section 402.2 2))
On land in the Agricultural Land Reserve, a secondary suite must also follow the rules of the Provincial Agricultural Land Commission. (section 102)
A home business may not be run inside a secondary suite. (section 104.3 a))

Coach houses and other backyard homes

An accessory dwelling unit is a home inside an accessory building: a smaller building on the same lot, set at least 1.5 m (4 ft 11 in) away from the house. (section 102)
A coach house is an accessory dwelling unit on the second floor of a detached garage. (section 102)
A house may have one secondary suite. A separate accessory dwelling unit is allowed only when the house has no suite. (section 402.2 2))
An accessory building may be built only after the house is built, or while the house is being built. (section 104.15 1))

Other rules

Where the lot is in the Agricultural Land Reserve, the provincial Agricultural Land Commission Act also applies to the homes on it. (section 402.2)
Landscaping, screens and fences must follow Section 111 of the bylaw. (section 402.8)

Source: Township of Langley Zoning Bylaw No. 2500, Section 400 Residential Zones. Section numbers are the bylaw's own.

Every lot in zone R-1B

Questions about 21031 93B Ave

What is the zoning of 21031 93B Ave?

21031 93B Ave is zoned R-1B (Residential Zone R-1B) in the Township of Langley. A zone for house lots. It allows one house with a suite or a separate accessory dwelling unit, or small-scale multi-unit housing where the lot qualifies.

How many homes can I build at 21031 93B Ave?

Up to 4 homes. Up to 4 homes on one lot, because the lot is larger than 280 m² (3,014 sq ft) and meets the Township's conditions for small-scale multi-unit housing (up to 4 homes on one lot, joined or separate).

Can I add a secondary suite at 21031 93B Ave?

A secondary suite is a second home inside a house. It must meet the BC Building Code and may have at most 120 m² (1,292 sq ft) of floor area. A house may have one secondary suite. A separate accessory dwelling unit is allowed only when the house has no suite. On land in the Agricultural Land Reserve, a secondary suite must also follow the rules of the Provincial Agricultural Land Commission.

Can I build a coach house or backyard home at 21031 93B Ave?

An accessory dwelling unit is a home inside an accessory building: a smaller building on the same lot, set at least 1.5 m (4 ft 11 in) away from the house. A coach house is an accessory dwelling unit on the second floor of a detached garage. A house may have one secondary suite. A separate accessory dwelling unit is allowed only when the house has no suite.

How tall can a house be at 21031 93B Ave?

Infill housing within 7.5 m (24 ft 7 in) of the rear property line may be at most 4.5 m (14 ft 9 in) high, unless it is a coach house facing a lane. Any other building with a home in it may be up to 9 m (29 ft 6 in) high.

How big is the lot at 21031 93B Ave?

The lot outline in the Township of Langley map data measures 486 m² (5,231 sq ft). The Township's own record lists 5231 square feet, a figure it marks as not verified. A survey gives the legal figure.

Is 21031 93B Ave in the Agricultural Land Reserve?

No. Township of Langley records place 21031 93B Ave outside the Agricultural Land Reserve.

Is 21031 93B Ave on Township sewer and water?

Yes. Township records show sewer and water service on 21031 93B Ave.

Other lots on 93B Ave

Every lot on 93B Ave

Look up another Langley address

Lot facts come from Township of Langley open data downloaded October 28, 2026, and the urban containment boundary from Metro Vancouver open data. Zone rules come from the zoning bylaw sections named beside each rule. Lot sizes are measured from the lot outlines in that data; a survey gives the legal figure. Bylaws change, so confirm with the Township of Langley before you buy or build. This page gives general information from public records. Only the Township of Langley can approve a plan or a permit.

Contains information licensed under the Township of Langley's Open Government License. Contains information licensed under Metro Vancouver's Open Government Licence.