---
title: "RT3 zone in Whistler: Two Family Residential Three"
place: Whistler, British Columbia, Canada
place_path: ca/bc/whistler
zone: RT3
bylaw: Zoning and Parking Bylaw No. 303, 2015 (consolidation dated August 8, 2026)
bylaw_read: 2026-11-07
review: draft
canonical: "https://govhandbook.com/ca/bc/whistler/zoning/rt3/"
json: "https://govhandbook.com/ca/bc/whistler/zoning/rt3.json"
---

# RT3 zone in Whistler: Two Family Residential Three

Provide a low density area for detached and duplex residential dwellings.

## Zone rules

- **Purpose:** Provide a low density area for detached and duplex residential dwellings.
- **Main uses:** Detached Dwelling; Duplex Dwelling; Park and Playground
- **Also allowed (secondary uses):** Auxiliary Buildings and Auxiliary Uses; Auxiliary Residential Dwelling Unit (inside a detached dwelling)
- **Minimum lot area:** 695 square metres
- **Minimum lot width:** 18 metres (frontage)
- **Maximum lot coverage:** 35 percent
- **Maximum density:** Detached dwelling: 325 square metres of gross floor area or floor space ratio of 0.35, whichever is lower; duplex dwelling: 375 square metres or floor space ratio of 0.45, whichever is lower
- **Maximum height:** 7.6 metres
- **Front setback:** 7.6 metres
- **Rear setback:** 7.6 metres
- **Interior side setback:** 3 metres
- **Other rules:** Only one principal building allowed per parcel; Maximum 4 bedrooms in a detached dwelling and 8 in a duplex dwelling; Minimum usable site area is 465 square metres; Auxiliary residential dwelling unit: 32.5 to 75 square metres, up to two bedrooms, not for tourist accommodation

## Source

- [Zoning and Parking Bylaw No. 303, 2015 (consolidation dated August 8, 2026), s. Part 12, item 6](https://www.whistler.ca/wp-content/uploads/Zoning-_and_Parking_Bylaw_303_2015_2026-08-07.pdf#page=209) (read 2026-11-07)

Rules in the bylaw's general sections (parking, fences, suites, home businesses) also apply. All zones in Whistler: https://govhandbook.com/ca/bc/whistler/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/whistler/zoning/rt3/_