Province of Ontario:
Line Fences Act
Line Fences FAQ

Southern Ontario Municipalities:

Toronto
Fence Standards
Neighbour's Fence Agreement Form
Toronto Municipal Code, Chapter 447
Property Standard Exemption Permits
Swimming Pool Enclosures

Mississauga
Property Fences Inquires
Fences, Driveways, Pools and Decks FAQ

Brampton
Building a fence
Swimming Pools fences
Zoning By-law 270-2004
Fences FAQ

Markham
Fence and Enclosure Bylaw summary
Fence Bylaw 277-97
Swimming Pool Enclosures Bylaw 59-75
Fences Exemption Permits

Richmond Hill
Fence Bylaw
Chapter 973 Fence Height Description
Chapter 971 Fence Arbitrations
Fences Exemption Permits

Aurora
Swimming Pool Enclosure permit
Fence Overview

DISCLAIMER
Please contact your local municipal authority for more information on By-laws regarding your local area, as by-laws are constantly revised or adjusted