Ottawa project guide

Do you need a permit to replace asphalt shingles in Ottawa?

Check Ottawa roof replacement permit rules and the published exemption for installing asphalt shingles.

1 min readReviewed Oct 1, 2026

The short answerConditional

Ottawa lists installing asphalt shingles on a roof among projects that do not require a building permit.

The exemption is specific to this maintenance scope. Structural roof alteration or other construction can require separate review.

Make this useful for my project

Know what matters

What changes the answer.

Start with these conditions. The official reference is attached to each one.

Asphalt shinglesPermit not requiredConditional

Ottawa lists installing asphalt shingles on a roof among permit-exempt projects.

Official sourceCity of OttawaProjects not requiring Building Permits · Asphalt shingles and accessory-building exemptions

Verified2026-10-01Open proof

Structural alterationSeparate permit questionInfo

Structural changes fall outside the simple asphalt-shingle exemption and should be reviewed separately.

Official sourceCity of OttawaProjects not requiring Building Permits · Asphalt shingles and accessory-building exemptions

Verified2026-10-01Open proof

Your preparation checklist

Your preparation progress

0 of 3 ready

Your progress is saved in this browser. Come back whenever you’re ready.

Written roofing scope
Structural drawings if framing changes
Applicable permit application if the work exceeds maintenance

Fees and timing

TimelineConfirm the current municipal review stream after a complete application is submitted.

FeesConfirm the current Ottawa permit fee for the exact scope before filing.

Next steps

Confirm roofing material and scope
Identify structural changes
Keep maintenance separate from structural alterations
Contact Building Code Services if the project exceeds the exemption

Same project, different city

See how this rule changes across Ontario.

Compare the source-reviewed answer for this project across every municipality BuildRules currently covers.

Compare roof replacement rules by city

Better decisions, together

Get everyone on the same page.

Send this to your designer or contractor before agreeing on the scope.

Paid research brief

Get a clearer plan before you spend.

Turn the published rules, documents, timing and questions to verify into one project-specific preparation brief.

39 CADone-time

See what’s included

Research guidance only. Municipal approval and professional design are separate.

A little help with the next step

Move your roof replacement forward.

Tell us what kind of help you need. We’ll save the request with your project and municipality so a relevant provider can respond if a match is available.

BuildRules principle

Do not confuse “no permit” with “no rules.”

Zoning, overlays, safety rules and other constraints can still apply.

Keep exploring

Your next useful question.

A connected project guide or a practical next step, picked for this topic.

All project guides

Related project

Do you need a permit for a home addition in Ottawa?

The City separates the building-permit requirement from zoning and property-specific development information. Confirm the proposal before detailed design.

1 min read

Related project

Do you need a permit for window or door changes in Ottawa?

The permit trigger is tied to altering the opening and structure, not merely changing finishes or hardware.

1 min read