Skip to content
Port Moody Tree Bylaw: Permit Impact
General Guide

Port Moody Tree Bylaw: Permit Impact

In Port Moody, the biggest permit hurdle often isn't the building design—it is the trees on your lot and adjoining properties. Under the City of Port Moody Tree Protection Bylaw, trees with a trunk diameter as small as 10 cm are legally protected during development. A single unmapped tree or uncoordinated foundation excavation can trigger stop work orders, forfeited securities, and massive fines.

Port Moody Tree Protection Bylaw: Diameter & Permit Matrix

Technical breakdown of tree diameters (DBH), permit triggers, and required security deposits in Port Moody.

Tree CategoryDiameter (DBH)Permit TriggerSecurity Deposit
Standard Residential Tree (Non-Dev)≥ 30 cm (approx. 12 inches)Tree Management Permit ($75 application fee)Standard replacement tree security
Development / Building Site Tree≥ 10 cm (approx. 4 inches)Full Development Tree Permit ($300 – $720 fee)$370 – $740 per replacement tree
Landmark / Legacy Trees≥ 50 cm (approx. 20 inches)Strict Council / Arborist Review$5,000 Security Deposit per tree
Protected Species (Yew, Arbutus, Garry Oak)≥ 10 cm (any size on record)Mandatory Retention / Qualified Professional ReviewFull environmental bonding

Project Roadmap & Scope of Work

Select a phase below to jump to the details

  1. 1
    Audit for 10cm DBH Protected Development Trees
  2. 2
    Delineate Tree Protection Zones (TPZ) on Site Plans
  3. 3
    Calculate $5,000 Landmark Tree Securities & Fines
  4. 4
    Coordinate ISA-Certified Arborist Reports with Drawings

Overview & Context

Overview

In Port Moody, tree protection is strictly integrated into the building permit review process. When applying for a new custom home, major renovation addition, or coach house, the city requires an exhaustive accounting of every tree on the subject site and neighboring properties within reach of construction activities.

Failing to coordinate your architectural site plan and building footprint with the critical root zones of protected trees will halt permit review at intake. Here is the technical roadmap to navigating Port Moody's tree protection rules without costly redesigns.

Step 1: Audit for 10cm DBH Protected Development Trees

Phase 01

Most property owners assume that only large, old-growth timber requires municipal protection. On a building or development site, however, the threshold drops to 10 cm DBH (Diameter at Breast Height, measured 1.4 m above ground)—the width of a standard grapefruit:

  • Site-Wide Survey Audit: Before drafting begins, a BCLS surveyor or arborist must locate and tag every tree on the parcel with a DBH $\ge$ 10 cm.
  • Neighboring Boundary Trees: If a tree on an adjacent lot has a root system or canopy extending across your property line into the proposed excavation zone, it is legally protected under city bylaws.
  • Shared / Co-Owned Trees: Removing or altering trees whose trunks straddle legal property lines requires written, notarized authorization from the neighboring owner prior to permit submission.

Step 2: Delineate Tree Protection Zones (TPZ) on Site Plans

Phase 02

The City of Port Moody will not accept a generic site sketch. Permit packages must include a dedicated Tree Management & Protection Plan:

  • Calculating the TPZ: The Tree Protection Zone is generally calculated as a minimum radial distance of 6 times the trunk diameter for standard species (and up to 12 times for older or sensitive species).
  • Continuous Protective Fencing: The site plan must show the exact alignment of 1.2 m (4 ft) rigid chain-link or wood framed protective fencing installed prior to excavation and maintained until final occupancy.
  • Root Encroachment Thresholds: Excavating within more than 10% to 15% of a tree's TPZ requires specialized air-spade hydro-vacuum root exploration supervised on-site by a Certified Arborist.
Phase 02 Technical Detail Topographical site survey and tree protection zones on residential building lot in BC
Tree Protection Zone (TPZ) Layout: Comprehensive site plan mapping mature tree canopies, 10cm DBH trunks, and continuous protective fencing corridors around critical root areas.

Step 3: Calculate $5,000 Landmark Tree Securities & Fines

Phase 03

Non-compliance carries steep financial consequences under municipal ticketing bylaws:

  • Refundable Security Deposits: Developers must post security deposits ranging from $370 to $740 per replacement tree. For landmark trees ($\ge$ 50 cm DBH), securities reach $5,000 per tree held until 12–24 months after landscape completion.
  • Unauthorized Removal Penalties: Felling or damaging a protected tree without an approved permit triggers fines starting at $370 to $1,000 per day per infraction, plus forfeiture of construction bonds and immediate Stop Work Orders.
  • Bird Nesting Season Restrictions: Tree clearing between March 1 and August 31 is governed by the federal Migratory Birds Convention Act and provincial Wildlife Act, requiring pre-clearing bird nest surveys by a Qualified Environmental Professional (QEP).

Step 4: Coordinate ISA-Certified Arborist Reports with Drawings

Phase 04

The secret to clearing Port Moody plan review on the first cycle is seamless coordination between your architectural designer and your TRAQ-qualified ISA Arborist:

  • Architectural Overlay: We overlay the arborist’s canopy and TPZ data directly onto our architectural foundation and civil drainage sheets.
  • Foundation Cantilevers & Pin Piles: Where proposed structures edge near a critical root zone, we engineer grade-beam or helical pin-pile foundations to bridge over critical roots rather than severing them with continuous strip footings.
  • Consolidated Permit Filing: We manage full application management, ensuring the Tree Permit and Building Permit are submitted in unison to prevent intake delays.

Protect Your Budget & Fast-Track Your Port Moody Permit

Action

Don't let a protected tree trigger thousands of dollars in surprise securities or redesign fees. Our team coordinates tree constraints upfront to create a permit-ready package that preserves your buildable area.

Send us your property address, any site photos or surveyor pins, and your building plans. We will review your tree bylaws and provide a clear, guaranteed quote within 24 hours.

Request a Port Moody Site & Tree Feasibility Review

Canadian Blueprint Logo

Canadian Blueprint Inc.

BC Building Design & Permit Drawings

Published • Updated

Back to Guides

Let's Get Started

Take the next step in your building journey with our specialized design and permit services.

Residential
Homes, suites & outbuildings
  • As-Built Measuring
  • New Custom Homes
  • Home Renovations
  • SSMUH / Multiplex
  • Accessory Buildings & Garages
  • 3D Visualization
Learn More →
Commercial
Business spaces & TI
  • As-Built Measuring
  • Tenant Improvements
  • Change of Use Permits
  • Business Renovations
  • First-Time Business Setup
  • Commercial Space Planning
Learn More →