What does roof repair cost in Oshawa?

Small shingle repairs in Oshawa run $420 to $780. Flashing and valley work is $680 to $1,700, and storm damage is $900 to $3,200.

Can you find the leak?

Yes. We trace from the attic side and the roof side, then water-test to confirm before repairing.

Is the repair warrantied?

Repairs carry a written workmanship warranty, and we photograph the finished work.

4.9★ from 743 GTA homeowners

Roof Repair Cost in Oshawa — Get Your Price Instantly

Leak tracing, shingle and flashing repairs with photo proof of the fix. See real roof repair prices in Oshawa in under 60 seconds.

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Typical roof repair prices in Oshawa
Job type	Typical price
Minor shingle repairSmall area, matched shingles	$420 – $780
Flashing or valley repairCommon leak source	$680 – $1,700
Storm damage repairDocumented for insurance	$900 – $3,200

Ranges reflect Oshawa labour and material costs. Your calculator result is tailored to your answers.

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Licensed, insured, WETT & TSSA certified · 4.9★ from 743 GTA reviews

What Oshawa homeowners say

Documentation on everything
Photos, readings, and a written summary after every visit. Makes it easy to keep records for the house file.

Doug T. · 2026-01-11

A real person answers the phone
No call centre, no chasing. Booked in two minutes and got a text when the truck was on the way.

Ryan K. · 2026-02-28

Reliable across three jobs
Used them for a sweep, a dryer vent, and a fireplace service. Same standard every time and the same technician twice, which I appreciated.

Helena B. · 2026-04-17

Bundled two services, saved the trip fee
Had the chimney and the dryer vent done on the same visit. Cheaper and half the disruption.

Farah N. · 2025-12-27

Roof Repair pricing questions

What does roof repair cost in Oshawa?: Small shingle repairs in Oshawa run $420 to $780. Flashing and valley work is $680 to $1,700, and storm damage is $900 to $3,200.
Can you find the leak?: Yes. We trace from the attic side and the roof side, then water-test to confirm before repairing.
Is the repair warrantied?: Repairs carry a written workmanship warranty, and we photograph the finished work.

Price another job

Roof Replacement in OshawaFull tear-off and re-roof with ice-and-water shield and new venting.Roof Inspection in OshawaRoof-level and attic inspection with a dated photo report.Roof Waterproofing in OshawaMembrane, sealing and flat-roof waterproofing systems.

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Call Diamond Home Services and we'll price your roof repair over the phone.

(437) 475-2233

Roof Repair Cost in Oshawa — Get Your Price Instantly

What Oshawa homeowners say

Roof Repair pricing questions

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Roof Repair Cost in Oshawa — Instant Price Calculator