18 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sandusky: Ohio Basement Authority, CR Score 85/100; 4.9★ from 105 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Reliable Basement and Drain, posts 24/7 hours; ranked #2 of 18.
Most-reviewed: Reliable Basement and Drain, 892 Google reviews at 4.8★, the most of 18 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Sandusky foundation repair companies are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 10 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.9★ across 18 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ohio Basement Authority | 85 | 4.9★ (105) | Cleveland, 21 mi away | Sat · Sun · Evenings | Overall |
| 2 | Reliable Basement and Drain | 84 | 4.8★ (892) | Lorain, 28 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Firelands Plumbing | 83 | 4.4★ (243) | Sandusky | 24/7 | — |
| 4 | NEM Construction, Inc. | 82 | 4.9★ (11) | Lorain, 29 mi away | 24/7 | — |
| 5 | Gerold Construction Co | 80 | 4.4★ (8) | Sandusky | — | — |
| 6 | AdvantaClean of the West Side | 78 | 4.9★ (84) | North Olmsted, 39 mi away | 24/7 | — |
| 7 | John Rogers Construction Basement waterproofing | 77 | 5.0★ (40) | Amherst, 31 mi away | Sat | — |
| 8 | Tuck Pointing America | 74 | 5.0★ (43) | Norwalk, 17 mi away | Sat | — |
| 9 | RichOne Waterproofing LLC | 73 | 4.9★ (10) | Northwood, 37 mi away | Sat | — |
| 10 | Loyal Construction Management LLC | 73 | 4.7★ (29) | North Ridgeville, 34 mi away | Sat · Sun | — |
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: 4.9★ from 105 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lorain, 28 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 892 Google reviews, the most Google reviews on this list (892).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #3 because of its Google rating and availability: 4.4★ from 243 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lorain, 29 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #5 because of its Google rating and trade focus: 4.4★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in North Olmsted, 39 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 84 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Amherst, 31 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norwalk, 17 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 43 Google reviews, 43 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Northwood, 37 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Ridgeville, 34 mi away
Ranked #10 because of its Google rating and availability: 4.7★ from 29 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #11 because of its Google rating and review volume: 4.7★ from 62 Google reviews, 62 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Avon, 36 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Avon Lake, 36 mi away
Ranked #13 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 Lorain, 29 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Ridgeville, 34 mi away
Ranked #15 because of its Google rating and review volume: 4.4★ from 47 Google reviews, 47 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Ridgeville, 34 mi away
Ranked #16 because of its Google rating and trade focus: 4.2★ from 15 Google reviews, listed on Google as “Landscape designer”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elyria, 39 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Concrete contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lorain, 40 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
18 more foundation repair companies within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| AA Wilken Masonry | 5.0★ (2) | In Sandusky |
| Affordable Basement Waterproofing | 5.0★ (1) | 18 mi |
| Certified Restoration and Squeaky Peak | 4.8★ (41) | In Sandusky |
| Expert Foundation Repair Elyria | 30 mi | |
| Green Bee Epoxy &Polished Concrete | 5.0★ (30) | In Sandusky |
| Hermes-Parker Concrete Ltd | 4.3★ (7) | In Sandusky |
| Integrity Waterproofing | 34 mi | |
| JMSealers | 40 mi | |
| JP Builders & Roofing LLC | 4.4★ (21) | In Sandusky |
| JW Concrete and Masonry, LLC | In Sandusky | |
| Keller Attic Insulation & Chimney Cleaning Services | 3.5★ (11) | In Sandusky |
| L. Elbert Construction LLC | 5.0★ (1) | 24 mi |
| Noble Home Solutions | 5.0★ (2) | In Sandusky |
| Ollendick Construction & Excavation | 9 mi | |
| RestorePro Disaster Cleanup & Restoration | 4.9★ (93) | In Sandusky |
| Superior Waterproofing LLC | 5.0★ (1) | 37 mi |
| Swartz Paving | 4.1★ (16) | In Sandusky |
| Telamon Construction Inc | 4.3★ (6) | In Sandusky |
National price ranges in USD, not adjusted for Sandusky. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | $2,225 | $5,174 | $8,133 | Per project: typical range of customer-reported repairs. US national range | October 2026 |
We scored 18 Sandusky 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 Sandusky 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 |