19 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Greater Napanee: Postech Screw Piles Kingston, CR Score 87/100; 5.0★ from 16 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Universal Plumbing & Sewer Services Inc., posts 24/7 hours; ranked #2 of 19.
Most-reviewed: Universal Plumbing & Sewer Services Inc., 161 Google reviews at 4.8★, the most of 19 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
19 Greater Napanee foundation repair companies are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 14 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 19 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Postech Screw Piles Kingston | 87 | 5.0★ (16) | Greater Napanee | Sat · Sun | Overall |
| 2 | Universal Plumbing & Sewer Services Inc. | 85 | 4.8★ (161) | Kingston, 36 km away | 24/7 | Emergencies, Most reviews |
| 3 | Donerite Basement Waterproofing | 81 | 4.8★ (26) | Quinte West, 62 km away | Sat · Sun · Evenings | — |
| 4 | SafeStep Building Treatments Inc | 79 | 4.9★ (67) | Kingston, 30 km away | — | — |
| 5 | Loyalist Waterproofing Services Ltd. | 79 | 5.0★ (8) | Napanee, 22 km away | Sat | — |
| 6 | Upper Canada Waterproofing & Contracting Ltd | 79 | 4.8★ (13) | Belleville, 37 km away | Sat · Evenings | — |
| 7 | Drain Domain | 77 | 5.0★ (14) | Brockville, 50 km away | 24/7 | — |
| 8 | Kingstown Exteriors | 76 | 5.0★ (10) | Kingston, 29 km away | Sat · Sun · Evenings | — |
| 9 | Loyalist Construction & Landscaping Ltd. | 76 | 4.8★ (47) | Napanee, 25 km away | Sat | — |
| 10 | White Rabbit Painting Company | 76 | 5.0★ (13) | Kingston, 37 km away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Foundation”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 36 km away
Ranked #2 because of its Google rating and review volume: 4.8★ from 161 Google reviews, the most Google reviews on this list (161).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Quinte West, 62 km away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 30 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Napanee, 22 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Belleville, 37 km away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 13 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brockville, 50 km away
Ranked #7 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 29 km away
Ranked #8 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Napanee, 25 km away
Ranked #9 because of its Google rating and review volume: 4.8★ from 47 Google reviews, 47 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 37 km away
Ranked #10 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 34 km away
Ranked #11 because of its Google rating and trade focus: 4.1★ from 7 Google reviews, listed on Google as “Construction company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Belleville, 62 km away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 39 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 36 km away
Ranked #13 because of its Google rating and review volume: 5.0★ from 12 Google reviews, 12 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Napanee, 36 km away
Ranked #14 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Napanee, 38 km away
Ranked #15 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Napanee, 37 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Belleville, 37 km away
Ranked #17 because of its Google rating and review volume: 3.5★ from 13 Google reviews, 13 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Quinte West, 59 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 35 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Excavating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
10 more foundation repair companies within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Belleville Foundation Repair | 33 km | |
| Emters Painting Services | 5.0★ (21) | In Greater Napanee |
| Foundation Crack Expert | 36 km | |
| GinCo Bobcat Service | 5.0★ (2) | 50 km |
| Guardian Plumbing and Drain | 48 km | |
| Klaver Concrete | 5.0★ (1) | In Greater Napanee |
| Norman's ROOFING & CONTRACTING | 5.0★ (1) | 30 km |
| R&R Custom Concrete Inc. | 4.9★ (35) | In Greater Napanee |
| Sangers Inc. | 5.0★ (2) | 32 km |
| Trinity Custom Carpentry | 5.0★ (10) | In Greater Napanee |
US national ranges converted to CAD, not adjusted for Greater Napanee. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | CA$3,130 | CA$7,270 | CA$11,430 | Per project: typical range of customer-reported repairs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 19 Greater Napanee foundation repair 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.
| Factor | Weight | Computed from | In Greater Napanee data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |