Ontario Fence Installation Costs — 2026

Fence installation in Ontario is priced per linear foot of installed fence, including posts, materials, and labour. Prices vary significantly by material, height, site conditions (slope, rocky soil, tree roots), and region. GTA pricing runs 10–20% above rural Ontario averages. (Serving Markham, Ontario.)

Do You Need a Permit?

In most Ontario municipalities, a fence under 2 m (6.5 ft) on a residential property does not require a building permit. Fences over 2 m, pool enclosure fences (Ontario Building Code requires 1.2 m minimum with self-closing gates), and fences in certain setback zones may require a permit. Check with your local building department before construction. (Serving Markham, Ontario.)

Property Line and Neighbour Rules

Ontario's Line Fences Act governs disputes between neighbours about shared boundary fences. Both neighbours typically share costs for a fence on the property line. Hire a surveyor ($600–$1,200) if the property line is unclear — installing on the wrong side of the line can create costly disputes and removal orders. (Serving Markham, Ontario.)

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