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ContractorsRanked

Best Water Damage Restoration Companies in Cornwall, ON (2026)

15 water damage restoration companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Cornwall: Paul Davis Cornwall - Brockville, CR Score 90/100; 4.0★ from 55 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Mold Busters Cornwall, posts 24/7 hours; ranked #2 of 15.

  3. 4

    Most-reviewed: Iron Fort Construction & Renovation, 59 Google reviews at 4.3★, the most of 15 ranked; ranked #4.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

15 Cornwall water damage restoration companies are ranked here by CR Score, from 8 published factors. 9 are open 24/7, 10 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.9★ across 15 rated businesses.

Top 10 water damage restoration companies in Cornwall at a glance

Top 10 water damage restoration companies in Cornwall at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Paul Davis Cornwall - Brockville904.0★ (55)Cornwall24/7Overall
2Mold Busters Cornwall884.9★ (11)Cornwall24/7Emergencies
3ServiceMaster Restore of Cornwall865.0★ (7)Cornwall24/7—
4Iron Fort Construction & Renovation854.3★ (59)Cornwall24/7Most reviews
5Mold Busters Hawkesbury814.7★ (12)London, 62 km away24/7—
6PuroClean Restoration Ottawa East813.5★ (31)Nepean, 60 km away24/7—
7Mold Busters Cumberland805.0★ (8)Kitchener, 61 km away24/7—
8WINMAR Cornwall803.8★ (13)Cornwall24/7—
9Clean All Environmental Services Inc.794.4★ (30)Cornwall——
10ServiceMaster by Meenan785.0★ (3)Canton, 56 km away24/7—

The 15 best water damage restoration companies in Cornwall, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

Also serving Cornwall

11 more water damage restoration companies within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked water damage restoration companies serving Cornwall
BusinessGoogle ratingDistance
Able Green Builders & Restoration1.0★ (1)In Cornwall
Cornett Renovations3.0★ (2)In Cornwall
Crack Pro Foundation Repair4.7★ (39)In Cornwall
Garlow Roofing4.2★ (85)In Cornwall
Gorilla Property Services5.0★ (31)In Cornwall
Hint of Tint4.7★ (12)In Cornwall
Mold Busters Orleans59 km
Phoenix Renovation, Restoration & Design5.0★ (1)58 km
Pro SteamIn Cornwall
Superior Plumbing & Heating of Cornwall4.3★ (74)In Cornwall
Xpertek Construction60 km

How much do water damage restoration companies cost in Cornwall?

US national ranges converted to CAD, not adjusted for Cornwall. Each row names its basis and the month we checked it.

How much do water damage restoration companies cost in Cornwall?
JobLowTypicalHighBasisChecked
Water damage restorationCA$1,940CA$5,440CA$8,950Per job: typical range of customer-reported restorations. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)October 2026

How we ranked Cornwall water damage restoration companies

We scored 15 Cornwall water damage restoration companies on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Cornwall data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Water damage restoration companies in Cornwall: frequently asked questions

Who is the best water damage restoration company in Cornwall?

By CR Score, the highest-ranked water damage restoration company in Cornwall, ON is Paul Davis Cornwall - Brockville with a CR Score of 90/100. It has 4.0★ from 55 Google reviews. It is open 24/7. Mold Busters Cornwall (#2) and ServiceMaster Restore of Cornwall (#3) follow. We ranked 15 water damage restoration companies on 8 factors, last updated October 22, 2026.

How many water damage restoration companies are there in Cornwall?

ContractorsRanked ranks 15 water damage restoration companies serving Cornwall, ON. 8 of them are based in Cornwall; the rest serve it from nearby towns. Another 11 within 64 km are listed but not ranked yet. Counts are as of October 2026.

Which water damage restoration companies in Cornwall are open 24/7?

9 ranked water damage restoration companies in Cornwall post 24/7 hours. The highest-ranked are Paul Davis Cornwall - Brockville (#1), Mold Busters Cornwall (#2) and ServiceMaster Restore of Cornwall (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which water damage restoration companies in Cornwall work on weekends?

10 of 15 ranked water damage restoration companies post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are Paul Davis Cornwall - Brockville (#1), Mold Busters Cornwall (#2) and ServiceMaster Restore of Cornwall (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does water damage restoration cost in Cornwall?

Water damage restoration typically costs CA$1,940 to CA$8,950, with CA$5,440 typical (Per job: typical range of customer-reported restorations. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)). This is a national range, not adjusted for Cornwall. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Cornwall water damage restoration companies have?

The median Google rating among 15 rated water damage restoration companies in Cornwall is 4.9★, with a median of 25 reviews. Iron Fort Construction & Renovation has the most, 59 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank water damage restoration companies?

Each water damage restoration company gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do water damage restoration companies outside Cornwall count in this ranking?

Yes, if they are within 64 km of the Cornwall city centre, our service radius for water damage restoration companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Cornwall

  1. October 2026: CR Scores recalculated for 15 water damage restoration companies serving Cornwall.

More water damage restoration companies and Cornwall pages