RD3 zone in Delta
Duplex/Single Detached Residential 3 Zone. Single detached housing, and on larger lots, duplex housing.
8,027lots in this zone on the map
646 m²median lot size (6,953 ft²)
53–24,756 m²smallest to largest lot
8 mmaximum height (26 ft)
The rules
| Name | Duplex/Single Detached Residential 3 Zone |
|---|---|
| Homes allowed | 4 (single detached or duplex + suites + up to 2 garden suites/coach houses); 3 on lots <= 280 m2; 6 on lots > 280 m2 in the Schedule F Frequent Transit Area (Scott Road) |
| Floor space ratio | 0.3 + 93 m² |
| Floor space notes | Duplex: lot area x 0.3 + 93 m2; single detached: lot area x 0.25 + 93 m2 (s.12.30.4). Duplex requires lot >= 836 m2, 22 m wide, 30 m deep (s.12.30.5). Detached ADUs (garden suite/coach house) floor area up to 42 m2 each is excluded from FSR (s.6.2.17(a)(v)); each ADU must be < 50% of the principal dwelling's GFA (s.6.1.8(a)(ii)). |
| Height | 8 m (26 ft) · 2.5 storeys |
| Height notes | Principal: 8 m to mid-roof/flat roof top, 9.5 m to ridge of pitched roof; accessory 3 m / 3.75 m (detached garage 3.75 m / 4.6 m). Garden suite 1.5 storeys, 4 m / 5.5 m; coach house 2 storeys, 6.75 m / 8 m (s.6.1.8(c),(d)). See s.6.2.14. |
| Lot coverage | 40% |
| Coverage notes | Maximum lot coverage; impermeable surfaces max 60% of lot in RS1-7, RSC and RD zones (s.6.2.18). |
| Setbacks | front 6.5 m (21 ft), side 1.5 m (5 ft), rear 9 m (30 ft), flank 3.5 m (11 ft) |
| Setback notes | Principal: front 6.5 m; interior side 1.5 m (3 m for the part of a building deeper than 18 m); exterior side 3.5 m; rear 9 m for 2+ storeys (7.5 m for 1-1.5 storeys), plus 0.6 m per 1 m of average lot depth over 35 m; accessory 12/1/6.5/1 m (s.12.30.7). Garden suites and coach houses: 1.5 m interior side, exterior side and rear, not forward of the principal building's front face (s.6.1.8(c)(ii),(d)(ii)). Min lot: Subdivision minimum 4,000 m2 / 30 m; duplex use needs 836 m2 / 22 m (s.12.30.5, s.12.30.9). |
| Bylaw sections | s.12.30, s.6.1.2(g)-(h), s.6.1.8, s.6.2.17 |
What you can use it for
Duplex dwellingSingle detached dwellingSecondary suite (one per dwelling unit)Garden suite / coach house (max 2 detached ADUs, s.6.1.2(h))Home occupation
What BC law allows on these lots
- 4 homes (lots over 280 m²)6,465 lots
- 6 homes (near frequent transit)1,196 lots
- 3 homes (lots up to 280 m²)358 lots
Our estimate per lot under BC's Bills 44 and 47, from lot size, transit distance and the urban boundary.
Example lots in RD3
- 1 7090 116 St 611 m² · 6,577 ft²
- 11499 79 Ave 561 m² · 6,039 ft²
- 11798 85b Ave 558 m² · 6,006 ft²
- 1539 Beach Grove Rd 604 m² · 6,501 ft²
- 4570 46b St 569 m² · 6,125 ft²
- 5433 4a Ave 656 m² · 7,061 ft²
- 7093 Brewster Dr W 611 m² · 6,577 ft²
- 8277 116a St 557 m² · 5,995 ft²
- B 11218 88 Ave 838 m² · 9,020 ft²
- B 5523 Chestnut Cres 558 m² · 6,006 ft²
Other zones in Delta
RS1RS5RS2RS7RS6RA20RA112RT40RS4RS4ATH2RSCRT76RA120RT50RSFRD2RT62RS3RD4RD1RH40RA6
Read from Delta Zoning Bylaw No. 7600, 2017 (consolidated to 2026-04-21, incl. amendments to BL 8552) ↗, checked 2026-10-21. Summaries are our reading of the bylaw: confirm with Delta before buying or designing. Page rebuilt October 25, 2026.