138 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Timonium: JES Foundation Repair, CR Score 64/100; 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 #3 of 138.
Most-reviewed: '58 Foundations & Waterproofing, 367 Google reviews at 4.7★, the most of 138 ranked after JES Foundation Repair; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
138 Timonium foundation repair companies are ranked here by CR Score, from ten published factors. 24 are open 24/7, 95 open Saturdays and 50 open Sundays, based on posted hours. The median Google rating is 4.9★ across 138 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | JES Foundation Repair | 64 | 4.7★ (940) | Baltimore, 10 mi away | Sat · Sun · Evenings | Overall |
| 2 | All-Ways Dry Basement Waterproofing | 63 | 5.0★ (133) | Timonium | Sat · Sun | — |
| 3 | Thompson & Sons Waterproofing Inc. | 62 | 5.0★ (153) | Baltimore, 18 mi away | 24/7 | Emergencies |
| 4 | '58 Foundations & Waterproofing | 61 | 4.7★ (367) | Arbutus, 15 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | Value Dry Basement Waterproofing | 61 | 4.7★ (334) | Odenton, 25 mi away | 24/7 | — |
| 6 | Budget Waterproofing, Inc. | 61 | 5.0★ (249) | Arbutus, 15 mi away | Sat · Evenings | — |
| 7 | Armored Basement Waterproofing | 61 | 5.0★ (128) | Baltimore, 27 mi away | 24/7 | — |
| 8 | ELG Basement Waterproofing Baltimore | 60 | 4.9★ (33) | Baltimore, 10 mi away | 24/7 | — |
| 9 | Drift Waterproofing & Renovations | 60 | 5.0★ (96) | Bel Air, 17 mi away | Sat · Sun · Evenings | — |
| 10 | JES Foundation Repair | 60 | 4.8★ (72) | Baltimore, 9 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 review volume: 4.7★ from 940 Google reviews, the most in Timonium.
Based in Timonium
Ranked #2 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 18 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Waterproofing service”.
Based in Arbutus, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 367 Google reviews, listed on Google as “Waterproofing service”.
Based in Odenton, 25 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 334 Google reviews, listed on Google as “Waterproofing service”.
Based in Arbutus, 15 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 249 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 27 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Waterproofing service”.
Based in Bel Air, 17 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 9 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 72 Google reviews, listed on Google as “Waterproofing service”.
Based in Bel Air, 17 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 239 Google reviews, listed on Google as “Waterproofing service”.
Based in Towson, 3 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based in Arbutus, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Waterproofing service”.
Based in Red Lion, 32 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 140 Google reviews, listed on Google as “Waterproofing service”.
Based in Arbutus, 11 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Waterproofing service”.
Based in Pikesville, 7 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Waterproofing service”.
Based in Damascus, 32 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 39 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “Waterproofing service”.
Based in Pasadena, 22 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Waterproofing service”.
Based in Bel Air, 16 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 187 Google reviews, listed on Google as “Waterproofing service”.
Based in Dundalk, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 113 Google reviews, listed on Google as “Waterproofing service”.
Based in Odenton, 23 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “Waterproofing service”.
Based in Glen Burnie, 18 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 70 Google reviews, listed on Google as “Waterproofing service”.
Based in Baltimore, 15 mi away
Ranked #24 because of its Google rating and review volume: 4.9★ from 157 Google reviews.
Based in Annapolis, 31 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 138 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 |
|---|---|---|
| Aardvark Waterproofing LLC | 5.0★ (2) | 34 mi |
| All-dry Solutions | 5.0★ (2) | 12 mi |
| Anchor Waterproofing | 5.0★ (2) | 19 mi |
| Arundel Water Proofing | 5.0★ (1) | 21 mi |
| Atlantic Waterproofing | 1.0★ (1) | 31 mi |
| Bertin Concrete, Inc | 5.0★ (1) | 32 mi |
| BZ Waterproofing & Foundation Repair, LLC | 5.0★ (1) | 15 mi |
| Commercial roofing | 1.0★ (1) | 13 mi |
| Fox First Construction | 5.0★ (1) | 25 mi |
| Gray & Son, Inc | 3.8★ (54) | In Timonium |
| J&A Construction | 5.0★ (2) | 39 mi |
| Keystone Foundation Repair Inc | 5.0★ (1) | 19 mi |
| Keystone Foundation Repair Inc | 4.0★ (1) | 32 mi |
| Lee Foundation Co. Inc | 3.0★ (2) | 11 mi |
| Luciano Cristofaro Contractors Inc | 5.0★ (1) | 16 mi |
| Maryland Monarch LLC | 5.0★ (1) | In Timonium |
| R & R Contracting LLC | 2.0★ (2) | 12 mi |
| US Concrete Products | 5.0★ (3) | In Timonium |
| Walter W. Zeigler's Sons | 5.0★ (2) | 38 mi |
| waterproofing and foundation repairs | 5.0★ (1) | 34 mi |
National price ranges in USD, not adjusted for Timonium. 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 138 Timonium 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 Timonium 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 |