---
title: "RS4A zone in Delta: Single Detached Residential 4A Zone"
place: Delta, British Columbia, Canada
place_path: ca/bc/delta
zone: RS4A
bylaw: Delta Zoning Bylaw No. 7600, 2017 (consolidated for reference purposes to April 21, 2026, incorporating amendments up to Bylaw No. 8552)
bylaw_read: 2026-11-07
review: draft
canonical: "https://govhandbook.com/ca/bc/delta/zoning/rs4a/"
json: "https://govhandbook.com/ca/bc/delta/zoning/rs4a.json"
---

# RS4A zone in Delta: Single Detached Residential 4A Zone

Single detached housing of a smaller size on lots at least 610 m² in area.

## Zone rules

- **Purpose:** Single detached housing of a smaller size on lots at least 610 m² in area.
- **Main uses:** Single detached dwelling
- **Also allowed (secondary uses):** Home occupation; Secondary suite
- **Minimum lot area:** 610 m² (smallest lot that may be created by subdivision)
- **Minimum lot width:** 20 m (average lot depth 30 m)
- **Maximum lot coverage:** 45%
- **Maximum density:** Floor space ratio 0.25 of lot area plus 125 m², and total gross floor area no more than the lesser of 232.25 m² and that amount
- **Maximum height:** 2.5 storeys; 8 m to mid-roof or top of a flat roof; 9.5 m to roof ridge of a pitched roof (detached garages: 3.75 m, or 4.6 m to ridge)
- **Maximum height, accessory buildings:** 1 storey; 3 m to mid-roof or top of a flat roof; 3.75 m to roof ridge (detached garages: 3.75 m, or 4.6 m to ridge)
- **Front setback:** 6.5 m (principal); accessory 12 m
- **Rear setback:** 7.5 m where the structure is 1 or 1.5 storeys; 9 m where the structure is 2 or more storeys (accessory 1 m)
- **Interior side setback:** 2.13 m (principal; 1.5 m if approved for construction before January 1, 2005); accessory 1 m
- **Street side setback:** 3.5 m (principal); accessory 6.5 m
- **Accessory building setbacks:** front 12 m, interior side 1 m, exterior side 6.5 m, rear 1 m
- **Other rules:** A maximum of 1 single detached dwelling is permitted on each lot

## Source

- [Delta Zoning Bylaw No. 7600, 2017 (consolidated for reference purposes to April 21, 2026, incorporating amendments up to Bylaw No. 8552), s. 11.41](https://delta.civicweb.net/document/177229#page=148) (read 2026-11-07)

Rules in the bylaw's general sections (parking, fences, suites, home businesses) also apply. All zones in Delta: https://govhandbook.com/ca/bc/delta/zoning/index.json

_Draft: taken from the bylaw text by a research agent and not yet reviewed by a person. Gov Handbook is an independent guide. Canonical page: https://govhandbook.com/ca/bc/delta/zoning/rs4a/_