73 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Gahanna: Ohio Basement Authority, CR Score 64/100; 4.8★ from 2,223 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Rogers Basement Waterproofing, posts 24/7 hours; ranked #3 of 73.
Most-reviewed: EVERDRY Waterproofing Cincinnati, 1,501 Google reviews at 4.6★, the most of 73 ranked after Ohio Basement Authority; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 Gahanna foundation repair companies are ranked here by CR Score, from ten published factors. 13 are open 24/7, 47 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 73 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ohio Basement Authority | 64 | 4.8★ (2,223) | Columbus, 11 mi away | Sat · Sun · Evenings | Overall |
| 2 | The Basement Doctor | 63 | 4.9★ (1,370) | Reynoldsburg, 8 mi away | Sat · Evenings | — |
| 3 | Rogers Basement Waterproofing | 61 | 4.9★ (54) | Columbus, 5 mi away | 24/7 | Emergencies |
| 4 | Chapman Drainage & Basement Repair | 61 | 4.8★ (170) | Dublin, 17 mi away | 24/7 | — |
| 5 | EVERDRY Waterproofing Cincinnati | 61 | 4.6★ (1,501) | Cincinnati, 12 mi away | Sat · Evenings | Most reviews |
| 6 | Columbus Ohio Basements - Water Proofing Service in Columbus Ohio | 60 | 4.8★ (43) | Columbus, 9 mi away | 24/7 | — |
| 7 | Everdry Waterproofing of Columbus | 60 | 4.5★ (1,395) | Hilliard, 14 mi away | Sat · Evenings | — |
| 8 | Ohio Basement Authority | 59 | 4.8★ (107) | Dublin, 14 mi away | Sat · Sun · Evenings | — |
| 9 | Queen Foundation Repair | 59 | 5.0★ (73) | Columbus, 6 mi away | Sat | — |
| 10 | Erie Home Basement Solutions | 59 | 4.4★ (81) | Columbus, 13 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.8★ from 2,223 Google reviews, the most in Gahanna.
Based in Reynoldsburg, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,370 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 5 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Waterproofing service”.
Based in Dublin, 17 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 170 Google reviews, listed on Google as “Waterproofing service”.
Based in Cincinnati, 12 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 1,501 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 43 Google reviews, listed on Google as “Waterproofing service”.
Based in Hilliard, 14 mi away
Ranked #7 because of its Google rating and trade focus: 4.5★ from 1,395 Google reviews, listed on Google as “Waterproofing service”.
Based in Dublin, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 107 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 6 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 13 mi away
Ranked #10 because of its Google rating and trade focus: 4.4★ from 81 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 13 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “Waterproofing service”.
Based in Pataskala, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 120 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 14 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Waterproofing service”.
Based in Beavercreek, 15 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 5 mi away
Ranked #16 because of its Google rating and trade focus: 4.3★ from 143 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 20 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 6 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Waterproofing service”.
Based in Delaware, 23 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 280 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 6 mi away
Ranked #20 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 22 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “Waterproofing service”.
Based in Columbus, 6 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Waterproofing service”.
Based in Dublin, 13 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Foundation”.
Based in Delaware, 21 mi away
Ranked #24 because of its Google rating and review volume: 5.0★ from 116 Google reviews.
Based in Marysville, 30 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 279 Google reviews, listed on Google as “Waterproofing service”.
National price ranges in USD, not adjusted for Gahanna. 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 73 Gahanna 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 Gahanna 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 |