68 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Dayton: Ohio Basement Authority, CR Score 90/100; 4.8★ from 828 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Acculevel, posts 24/7 hours; ranked #2 of 68.
Most-reviewed: Jaco Waterproofing, 747 Google reviews at 4.8★, the most of 68 ranked after Ohio Basement Authority; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
68 Dayton foundation repair companies are ranked here by CR Score, from 8 published factors. 17 are open 24/7, 51 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.9★ across 68 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ohio Basement Authority | 90 | 4.8★ (828) | Cincinnati, 10 mi away | Sat · Sun · Evenings | Overall |
| 2 | Acculevel | 89 | 5.0★ (48) | Cincinnati, 8 mi away | 24/7 | Emergencies |
| 3 | Erie Home Basement Solutions | 89 | 4.7★ (116) | Cincinnati, 10 mi away | 24/7 | — |
| 4 | Cincinnati Chimney & Masonry | 87 | 4.8★ (236) | Bright, 10 mi away | Sat · Sun | — |
| 5 | Reliable Crack Injection | 87 | 4.8★ (23) | The Village of Indian Hill, 7 mi away | 24/7 | — |
| 6 | Cincinnati Dry Shield Waterproofing | 87 | 5.0★ (14) | Francisville, 6 mi away | 24/7 | — |
| 7 | Acculevel | 86 | 5.0★ (21) | Hebron, 13 mi away | 24/7 | — |
| 8 | A2B waterproofing LLC | 86 | 5.0★ (46) | Covington, 4 mi away | Sat · Sun · Evenings | — |
| 9 | Dry Effect | 85 | 4.9★ (259) | Cincinnati, 8 mi away | 24/7 | — |
| 10 | A+ Restoration | 85 | 4.8★ (181) | Covington, 4 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 828 Google reviews, listed on Google as “Waterproofing service”.
Based in Cincinnati, 8 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 48 Google reviews, open 24/7.
Based in Cincinnati, 10 mi away
Ranked #3 because of its Google rating and availability: 4.7★ from 116 Google reviews, open 24/7.
Based in Bright, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 236 Google reviews, listed on Google as “Foundation”.
Based in The Village of Indian Hill, 7 mi away
Ranked #5 because of its Google rating and availability: 4.8★ from 23 Google reviews, open 24/7.
Based in Francisville, 6 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
Based in Hebron, 13 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based in Covington, 4 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Waterproofing service”.
Based in Cincinnati, 8 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 259 Google reviews, open 24/7.
Based in Covington, 4 mi away
Ranked #10 because of its Google rating and availability: 4.8★ from 181 Google reviews, open 24/7.
Based in Alexandria, 12 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 59 Google reviews, listed on Google as “Waterproofing service”.
Based in Cincinnati, 15 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 138 Google reviews, open 24/7.
Based in Milford, 14 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 189 Google reviews, listed on Google as “Waterproofing service”.
Based in Francisville, 4 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Cincinnati, 10 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 70 Google reviews, open 24/7.
Based in Fairfield, 22 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 161 Google reviews, listed on Google as “Waterproofing service”.
Based in Fairfield, 16 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 747 Google reviews, listed on Google as “Waterproofing service”.
Based in Bright, 9 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Waterproofing service”.
Based in The Village of Indian Hill, 11 mi away
Ranked #19 because of its Google rating and availability: 4.6★ from 151 Google reviews, open 7 days a week.
Based in Blue Ash, 12 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 107 Google reviews, open 7 days a week.
Based in Cincinnati, 12 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 26 Google reviews, open 24/7.
Based in Burlington, 20 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.
Based in Florence, 14 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.
Based in Covington, 14 mi away
Ranked #24 because of its Google rating and availability: 4.2★ from 10 Google reviews, open 24/7.
Based in Cincinnati, 6 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
National price ranges in USD, not adjusted for Dayton. 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 68 Dayton 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 Dayton 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 |