20 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Napanee: Postech Screw Piles Kingston, CR Score 60/100; 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 20.
Most-reviewed: Universal Plumbing & Sewer Services Inc., 161 Google reviews at 4.8★, the most of 20 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Napanee foundation repair companies are ranked here by CR Score, from ten 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 20 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Postech Screw Piles Kingston | 60 | 5.0★ (16) | Greater Napanee, 8 km away | Sat · Sun | Overall |
| 2 | Universal Plumbing & Sewer Services Inc. | 58 | 4.8★ (161) | Kingston, 36 km away | 24/7 | Emergencies, Most reviews |
| 3 | Wise Cracks Kingston & Ottawa | 58 | 5.0★ (20) | Napanee | — | — |
| 4 | SafeStep Building Treatments Inc | 58 | 4.9★ (67) | Kingston, 30 km away | — | — |
| 5 | Loyalist Waterproofing Services Ltd. | 57 | 5.0★ (8) | Napanee | Sat | — |
| 6 | Donerite Basement Waterproofing | 56 | 4.8★ (26) | Quinte West, 62 km away | Sat · Sun · Evenings | — |
| 7 | Upper Canada Waterproofing & Contracting Ltd | 55 | 4.8★ (13) | Belleville, 37 km away | Sat · Evenings | — |
| 8 | Loyalist Construction & Landscaping Ltd. | 55 | 4.8★ (47) | Napanee | Sat | — |
| 9 | McInroy Basement Systems | 53 | 4.0★ (4) | Napanee | — | — |
| 10 | Aquafix Basement Waterproofing | 53 | 4.6★ (39) | Belleville, 62 km away | — | — |
Ordered by CR Score, a 0–100 score from ten 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 8 of 10 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 in Napanee.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee
Ranked #3 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 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 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee
Ranked #5 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Quinte West, 62 km away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville, 37 km away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 13 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee
Ranked #8 because of its Google rating and review volume: 4.8★ from 47 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee
Ranked #9 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville, 62 km away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 39 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brockville, 50 km away
Ranked #11 because of its Google rating and review volume: 5.0★ from 14 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee
Ranked #12 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston, 29 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston, 37 km away
Ranked #14 because of its Google rating and review volume: 5.0★ from 13 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston, 34 km away
Ranked #15 because of its Google rating and trade focus: 4.1★ from 7 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Napanee
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston, 36 km away
Ranked #17 because of its Google rating and review volume: 5.0★ from 12 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belleville, 37 km away
Ranked #18 because of its Google rating and review volume: 3.5★ from 13 Google reviews.
Based on 8 of 10 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 8 of 10 factors; credentials and recency not yet collected.
Based in Quinte West, 59 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
20 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 |
|---|---|---|
| Absolute General Contractors | 4.3★ (75) | In Napanee |
| Castle Electric Company | 5.0★ (22) | In Napanee |
| Cataraqui Masonry | 5.0★ (21) | In Napanee |
| Customcrete LTD | 5.0★ (8) | In Napanee |
| Flow Efficient Plumbing | 5.0★ (20) | In Napanee |
| Full House Roofing LTD | 5.0★ (160) | In Napanee |
| Greystone Contracting | Renovations Additions Contracting Kingston | 5.0★ (22) | In Napanee |
| Hawker Construction | 4.4★ (7) | In Napanee |
| Hayes Home Maintenance | 5.0★ (3) | In Napanee |
| John Smooth Drywall | 5.0★ (19) | In Napanee |
| Kingstown Interiors | 5.0★ (4) | In Napanee |
| Morven Construction | 4.9★ (76) | In Napanee |
| On Side Restoration Services | 4.2★ (12) | In Napanee |
| Robinson Renovations | 5.0★ (4) | In Napanee |
| Stonemills Renovations | 5.0★ (5) | In Napanee |
| Tribond Construction Inc. | 4.8★ (21) | In Napanee |
| UA-Construction | 5.0★ (17) | In Napanee |
| Unforgettable Carpentry | 5.0★ (13) | In Napanee |
| Wolfe Bros Contracting | 5.0★ (10) | In Napanee |
| Your Kingston Contractor | 5.0★ (40) | In Napanee |
US national ranges converted to CAD, not adjusted for 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 20 Napanee foundation repair companies on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Napanee data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |