Poly B replacement permits in Ottawa
What Ottawa actually publishes about permitting a residential repipe, verified August 6, 2026.
Is a permit required?
Yes. Alterations, additions or extensions to a plumbing system require a building permit in Ottawa, with only narrow exemptions like replacing existing fixtures in the same location and hot water tank swaps. Confirm repipe scope with Building Code Services when applying.
Who can pull the permit
Homeowners may apply and may take design responsibility for their own house; contractors apply as agents.
Inspections
Work must be inspected at key stages, booked at least 48 hours ahead. The plumbing stage list comes with the permit.
Fees
Ottawa publishes one of the clearest numbers in the country: plumbing-only work is $117 per application under the 2026 fee schedule.
Timelines
No published processing timeline; confirm with Building Code Services.
Who administers it
Building Code Services; reach through 3-1-1.
What Ottawa doesn’t publish
In keeping with this site’s rule of never guessing, these details were not verifiable from Ottawa’s published materials and should be confirmed directly with the municipality:
- ?Inspection stage list.
- ?Processing timeline.
- ?Online portal specifics.
How this fits the bigger job
The permit and inspection record is part of the documentation package your insurer will want after a repipe, alongside the completion certificate. The insurance chapter covers that package, and the cost guide covers what the whole job runs. The Ottawa city profile shows how much of the local housing stock sits in the Poly B era.
Sources for this page
- City of Ottawa building permit pages and 2026 Building Code Services fee schedule
- Ontario Building Code
Verified against Ottawa’s published municipal materials on August 6, 2026. Rules and fees change without notice; confirm with the municipality before starting work. This page is not legal or code advice.

Published by Poly B Plumbing Guys
This library is maintained by the team that replaces Poly B every day across Alberta and BC. Red Seal certified plumbers, full remove-replace-restore service including drywall and paint, a 25-year warranty, and the completion certificate insurers ask for.
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