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R1-B zone in Chilliwack
Urban Duplex Residential Zone. Duplexes on urban lots served by community water and sewer.
735lots in this zone on the map
823 m²median lot size (8,859 ft²)
59–8,872 m²smallest to largest lot
10 mmaximum height (33 ft)
The rules
| Name | Urban Duplex Residential Zone |
|---|---|
| Homes allowed | Up to 4 under SSMUH s.4.08(7) (3 on lots <=280 m2, 4 on lots >280 m2) where the lot is inside the urban growth boundary, on community water and sewer, <4,050 m2, not heritage-designated, not in a transit-oriented area and not in a Ministry extension area; forms: secondary suites, coach houses, garden suites, single detached, duplex, townhouse or apartment; base zone: one duplex |
| Floor space ratio | 0.75 |
| Floor space notes | Zone FAR 0.6 for all uses (s.8.02(6)); 0.75 under SSMUH (s.4.08(7)(e)(iv)(A)). |
| Height | 10 m (33 ft) |
| Height notes | Residential 10 m; urban ancillary 4 m (6 m on lots >=1,000 m2) (s.8.02(9)). |
| Coverage notes | Only urban ancillary uses capped (45 m2 per dwelling unit) (s.8.02(5)). SSMUH lots use R1-A standards for detached ADUs (s.4.08(7)(d)(ii)). |
| Setbacks | front 6 m (20 ft), side 1.2 m (4 ft), rear 7.5 m (25 ft), flank 4.5 m (15 ft) |
| Setback notes | s.8.02(7). |
| Bylaw sections | s.8.02; s.4.08(7) |
What you can use it for
DuplexAccessory home occupationBoardingSupportive recovery homeUrban ancillary uses
What BC law allows on these lots
- 4 homes (lots over 280 m²)717 lots
- 3 homes (lots up to 280 m²)17 lots
Our estimate per lot under BC's Bills 44 and 47, from lot size, transit distance and the urban boundary.
Example lots in R1-B
No addressed lots in this zone on the map.
Other zones in Chilliwack
Read from Zoning Bylaw 2020, No. 5000 (consolidated PDF posted 2026-08-18; amendment table ends with Bylaw No. 5571 adopted 2026-08-18) ↗, checked 2026-10-23. Summaries are our reading of the bylaw: confirm with Chilliwack before buying or designing. Page rebuilt October 25, 2026.