---
title: "RT-3 zone in Coquitlam: Multiplex Residential"
place: Coquitlam, British Columbia, Canada
place_path: ca/bc/coquitlam
zone: RT-3
bylaw: Zoning Bylaw No. 3000, 1996 (consolidated with amending bylaws, updated July 27, 2026)
bylaw_read: 2026-11-07
review: draft
canonical: "https://govhandbook.com/ca/bc/coquitlam/zoning/rt-3/"
json: "https://govhandbook.com/ca/bc/coquitlam/zoning/rt-3.json"
---

# RT-3 zone in Coquitlam: Multiplex Residential

Ground-oriented infill residential development on larger lots.

## Zone rules

- **Purpose:** Ground-oriented infill residential development on larger lots.
- **Main uses:** Multiplex residential
- **Also allowed (secondary uses):** Boarding; Accessory residential; Accessory home occupation; Accessory institutional support services
- **Minimum lot area:** 930 m2; or 740 m2 where the lot was rezoned to RT-3 before July 08, 2019
- **Maximum lot coverage:** 50%
- **Maximum density:** Floor area of 0.85 times the lot area (underground parking and certain underground storage and service areas excluded)
- **Maximum height:** 9.5 m; or 11.0 m for roofs with a pitch of 3 in 12 or greater over at least 80% of roof surfaces
- **Maximum height, accessory buildings:** 3.7 m; or 4.6 m for an accessory building with a roof pitch of 4 in 12 or greater over at least 80% of roof surfaces
- **Front setback:** 4.5 m
- **Rear setback:** 6.0 m
- **Interior side setback:** 1.2 m
- **Street side setback:** 3.0 m
- **Accessory building setbacks:** Detached accessory buildings sited 1.6 m or more from the house, in the rear yard: front 4.5 m, rear 1.2 m, interior side 1.2 m, exterior side 3.0 m; attached or closer than 1.6 m: same as the house
- **Other rules:** More than one principal building may be on a lot; 6.0 m separation between a principal building and detached accessory buildings; Maximum wall length of a detached accessory building is 11.0 metres; a detached parking building may not have more than three parking spaces; Each dwelling unit needs private or common outdoor space of not less than 37 m² and indoor storage of not less than 3.3 m²

## Source

- [Zoning Bylaw No. 3000, 1996 (consolidated with amending bylaws, updated July 27, 2026), s. 2207](https://www.coquitlam.ca/DocumentCenter/View/15229/Part-22-Legacy-Zones-PDF--RS-1-RS-3-RS-4-RT-1-RT-3-and-RM-3-to-RM-6-Zones#page=27) (read 2026-11-07)

Rules in the bylaw's general sections (parking, fences, suites, home businesses) also apply. All zones in Coquitlam: https://govhandbook.com/ca/bc/coquitlam/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/coquitlam/zoning/rt-3/_