---
title: "RM1 zone in Port Alberni: Low Density Multi-Residential"
place: Port Alberni, British Columbia, Canada
place_path: ca/bc/port-alberni
zone: RM1
bylaw: Zoning Bylaw No. 5105, 2024 (October 2026 update)
bylaw_read: 2026-11-07
review: draft
canonical: "https://govhandbook.com/ca/bc/port-alberni/zoning/rm1/"
json: "https://govhandbook.com/ca/bc/port-alberni/zoning/rm1.json"
---

# RM1 zone in Port Alberni: Low Density Multi-Residential

To provide for lower density multiple family residential development.

## Zone rules

- **Purpose:** To provide for lower density multiple family residential development.
- **Main uses:** Community care facility; Multi-residential dwelling; Single detached dwelling; Semi-detached dwelling
- **Also allowed (secondary uses):** Home occupation
- **Minimum lot area:** Single detached dwelling 500 m² (5,382 ft²); semi-detached dwelling 700 m² (7,535 ft²); four dwelling units or less 900 m² (9,688 ft²); over four dwelling units 1,000 m² (10,764 ft²)
- **Minimum lot width:** Single detached dwelling 15 m; semi-detached dwelling 20 m; four dwelling units or less 25 m; over four dwelling units 30 m
- **Maximum lot coverage:** 40%
- **Maximum density:** Floor area ratio 0.5
- **Maximum height:** 10 m (32.8 ft)
- **Front setback:** 7.5 m (24.6 ft)
- **Rear setback:** 9 m (29.5 ft)
- **Interior side setback:** 1.5 m (4.9 ft)
- **Other rules:** Principal access to each dwelling unit must be from an outdoor area.; Groups of single and semi-detached or multi-residential dwellings are permitted.; Single and semi-detached dwellings must follow the R zone regulations (Sections 5.10.2 and 5.10.3).

## Source

- [Zoning Bylaw No. 5105, 2024 (October 2026 update), s. 5.11](https://portalberni.ca/sites/default/files/doc_library/5105_Zoning_Bylaw_No_5105_2024_Oct%202026%20Update.pdf#page=36) (read 2026-11-07)

Rules in the bylaw's general sections (parking, fences, suites, home businesses) also apply. All zones in Port Alberni: https://govhandbook.com/ca/bc/port-alberni/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/port-alberni/zoning/rm1/_