106 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in North Bel Air: JES Foundation Repair, CR Score 62/100; 4.7★ from 940 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Thompson & Sons Waterproofing Inc., posts 24/7 hours; ranked #5 of 106.
Most-reviewed: The Exterior Company, 2,185 Google reviews at 4.8★, the most of 106 ranked; ranked #33.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
106 North Bel Air foundation repair companies are ranked here by CR Score, from ten published factors. 16 are open 24/7, 74 open Saturdays and 35 open Sundays, based on posted hours. The median Google rating is 4.8★ across 106 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | JES Foundation Repair | 62 | 4.7★ (940) | Baltimore, 13 mi away | Sat · Sun · Evenings | Overall |
| 2 | Drift Waterproofing & Renovations | 61 | 5.0★ (96) | Bel Air, 2 mi away | Sat · Sun · Evenings | — |
| 3 | Oriole Basement Waterproofing & Foundation Repair | 61 | 4.9★ (239) | Bel Air, 2 mi away | Sat · Evenings | — |
| 4 | All-Ways Dry Basement Waterproofing | 60 | 5.0★ (133) | Timonium, 16 mi away | Sat · Sun | — |
| 5 | Thompson & Sons Waterproofing Inc. | 59 | 5.0★ (153) | Baltimore, 32 mi away | 24/7 | Emergencies |
| 6 | Value Dry Basement Waterproofing | 58 | 4.7★ (334) | Odenton, 37 mi away | 24/7 | — |
| 7 | '58 Foundations & Waterproofing | 58 | 4.7★ (367) | Arbutus, 27 mi away | Sat · Sun · Evenings | — |
| 8 | Basement Waterproofing Nationwide | 58 | 4.8★ (187) | Bel Air, 4 mi away | Evenings | — |
| 9 | Budget Waterproofing, Inc. | 58 | 5.0★ (249) | Arbutus, 27 mi away | Sat · Evenings | — |
| 10 | 58 Foundations & Waterproofing | 58 | 4.9★ (140) | Red Lion, 28 mi away | Sat · Sun · Evenings | — |
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 trade focus: 4.7★ from 940 Google reviews, listed on Google as “Waterproofing service”.
Based in Bel Air, 2 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Waterproofing service”.
Based in Bel Air, 2 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 239 Google reviews, listed on Google as “Waterproofing service”.
Based in Timonium, 16 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 32 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Waterproofing service”.
Based in Odenton, 37 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 334 Google reviews, listed on Google as “Waterproofing service”.
Based in Arbutus, 27 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 367 Google reviews, listed on Google as “Waterproofing service”.
Based in Bel Air, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 187 Google reviews, listed on Google as “Waterproofing service”.
Based in Arbutus, 27 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 249 Google reviews, listed on Google as “Waterproofing service”.
Based in Red Lion, 28 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 140 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 22 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 72 Google reviews, listed on Google as “Waterproofing service”.
Based in Newark, 34 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 196 Google reviews, listed on Google as “Waterproofing service”.
Based in Lancaster, 37 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 185 Google reviews, listed on Google as “Waterproofing service”.
Based in Towson, 16 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based in Arbutus, 28 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Waterproofing service”.
Based in Bel Air, 1 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Waterproofing service”.
Based in Pasadena, 30 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Waterproofing service”.
Based in Bel Air North, 6 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Waterproofing service”.
Based in Arbutus, 23 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based in Elkton, 27 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 302 Google reviews, listed on Google as “Waterproofing service”.
Based in York, 35 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 124 Google reviews, listed on Google as “Waterproofing service”.
Based in Dundalk, 19 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 113 Google reviews, listed on Google as “Waterproofing service”.
Based in Pikesville, 23 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Waterproofing service”.
Based in Annapolis, 38 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 74 Google reviews, listed on Google as “Waterproofing service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 106 ranked foundation repair companies here; the rest are on their profiles.
20 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 |
|---|---|---|
| A A Action Waterproofing Inc | 1 mi | |
| Aardvark Waterproofing LLC | 5.0★ (2) | 28 mi |
| AC Masonry LLC | 5.0★ (1) | 32 mi |
| All-dry Solutions | 5.0★ (2) | 8 mi |
| Anchor Waterproofing | 5.0★ (2) | 30 mi |
| Arundel Water Proofing | 5.0★ (1) | 31 mi |
| Avg Waterproofing | 5.0★ (1) | 33 mi |
| BZ Waterproofing & Foundation Repair, LLC | 5.0★ (1) | 29 mi |
| Commercial roofing | 1.0★ (1) | 19 mi |
| Division 7 contracting llc | 5.0★ (1) | 35 mi |
| Fox First Construction | 5.0★ (1) | 36 mi |
| Keystone Foundation Repair Inc | 5.0★ (1) | 35 mi |
| Keystone Foundation Repair Inc | 17 mi | |
| Lancaster Waterproofing Solutions | 5.0★ (2) | 35 mi |
| Lee Foundation Co. Inc | 3.0★ (2) | 13 mi |
| Luciano Cristofaro Contractors Inc | 5.0★ (1) | 28 mi |
| Poured Foundations of Delaware, Inc. | 5.0★ (1) | 35 mi |
| R & R Contracting LLC | 2.0★ (2) | 16 mi |
| Rodriguez&Rivas General Construction LLC | 16 mi | |
| Walter W. Zeigler's Sons | 5.0★ (2) | 36 mi |
National price ranges in USD, not adjusted for North Bel Air. 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 106 North Bel Air 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 North Bel Air 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 |