94/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 572 Google reviews, open 24/7.
- 5.0★ from 572 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8950 MD-108 Suite 221, Columbia, MD 21045
Best Foundation Repair Companies in Eldersburg, MD (2026)
186 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Eldersburg: Best Buy Waterproofing, CR Score 94/100; 5.0★ from 572 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Armored Basement Waterproofing, posts 24/7 hours; ranked #2 of 186.
- 6
Most-reviewed: JES Foundation Repair, 940 Google reviews at 4.7★, the most of 186 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
186 Eldersburg foundation repair companies are ranked here by CR Score, from 8 published factors. 34 are open 24/7, 126 open Saturdays and 66 open Sundays, based on posted hours. The median Google rating is 4.9★ across 186 rated businesses.
Top 10 foundation repair companies in Eldersburg at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Best Buy Waterproofing | 94 | 5.0★ (572) | Columbia, 14 mi away | 24/7 | Overall |
| 2 | Armored Basement Waterproofing | 91 | 5.0★ (128) | Baltimore, 12 mi away | 24/7 | Emergencies |
| 3 | Thompson & Sons Waterproofing Inc. | 91 | 5.0★ (153) | Baltimore, 16 mi away | 24/7 | — |
| 4 | Value Dry Basement Waterproofing | 88 | 4.7★ (334) | Odenton, 25 mi away | 24/7 | — |
| 5 | Value Dry Basement Waterproofing | 87 | 4.9★ (251) | Arlington, 38 mi away | 24/7 | — |
| 6 | JES Foundation Repair | 87 | 4.7★ (940) | Baltimore, 26 mi away | Sat · Sun · Evenings | Most reviews |
| 7 | All-Ways Dry Basement Waterproofing | 87 | 5.0★ (133) | Timonium, 18 mi away | Sat · Sun | — |
| 8 | '58 Foundations & Waterproofing | 86 | 4.7★ (367) | Arbutus, 20 mi away | Sat · Sun · Evenings | — |
| 9 | Beyond Waterproofing and Foundation Repair | 86 | 4.9★ (120) | Damascus, 15 mi away | Sat · Sun · Evenings | — |
| 10 | ELG Basement Waterproofing Baltimore | 86 | 4.9★ (33) | Baltimore, 19 mi away | 24/7 | — |
The 186 best foundation repair companies in Eldersburg, ranked
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.
Based in Baltimore, 12 mi away
91/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 128 Google reviews, open 24/7.
- 5.0★ from 128 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Baltimore, 16 mi away
91/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 153 Google reviews, open 24/7.
- 5.0★ from 153 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Odenton, 25 mi away
88/100CR ScoreRanked #4 because of its Google rating and availability: 4.7★ from 334 Google reviews, open 24/7.
- 4.7★ from 334 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1434 Odenton Rd, Odenton, MD 21113
Based in Arlington, 38 mi away
87/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 251 Google reviews, open 24/7.
- 4.9★ from 251 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1614 10th St S, Arlington, VA 22204
Based in Baltimore, 26 mi away
87/100CR ScoreRanked #6 because of its Google rating and review volume: 4.7★ from 940 Google reviews, the most Google reviews on this list (940).
- 4.7★ from 940 Google reviews
- Hours
- Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
- Address
- 8361 Town Center Ct, Nottingham, MD 21236
Based in Timonium, 18 mi away
87/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 133 Google reviews
- Hours
- Mon 8 AM–6 PM · Tue 6 AM–6 PM · Wed–Fri 8 AM–6 PM · Sat 9 AM–5 PM · Sun 10 AM–4 PM
- Address
- 1721 Kurtz Ave, Timonium, MD 21093
Based in Arbutus, 20 mi away
86/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 367 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 367 Google reviews
- Hours
- Mon–Fri 8 AM–12 AM · Sat–Sun 9 AM–12 AM
- Address
- 823 N Hammonds Ferry Rd Suite D, Linthicum Heights, MD 21090
Based in Damascus, 15 mi away
86/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 120 Google reviews
- Hours
- Mon–Fri 8 AM–9 PM · Sat 9 AM–9 PM · Sun 9 AM–8 PM
- Address
- 9516 Faith Ln, Damascus, MD 20872
Based in Baltimore, 19 mi away
86/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 33 Google reviews, open 24/7.
- 4.9★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 110 W Mulberry St, Baltimore, MD 21201
Based in Baltimore, 32 mi away
85/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 147 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–6 PM
Based in Arbutus, 21 mi away
85/100CR ScoreRanked #12 because of its Google rating and availability: 4.6★ from 30 Google reviews, open 24/7.
- 4.6★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 516 Greenwood Rd, Linthicum Heights, MD 21090
Based in Arbutus, 20 mi away
84/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 249 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 249 Google reviews
- Hours
- Mon–Thu 8 AM–8 PM · Fri 8 AM–5 PM · Sat 9 AM–5 PM · Sun closed
- Address
- 5191 Raynor Ave, Linthicum Heights, MD 21090
Based in Baltimore, 19 mi away
84/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 72 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 72 Google reviews
- Hours
- Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
- Address
- 10 W Eager St Ste 313, Baltimore, MD 21201
Based in Rockville, 24 mi away
83/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 55 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 330 N Stonestreet Ave Unit S, Rockville, MD 20850
Based in Bel Air, 34 mi away
83/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 96 Google reviews
- Hours
- Mon–Sun 6 AM–8 PM
- Address
- 1219 Hickory Brook Ct, Bel Air, MD 21014
Based in Walkersville, 21 mi away
83/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
- 5.0★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 120 Glade Blvd, Walkersville, MD 21793
Based in Red Lion, 39 mi away
83/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 140 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 140 Google reviews
- Hours
- Mon–Fri 8 AM–12 AM · Sat–Sun 9 AM–12 AM
- Address
- 74 1st Ave, Red Lion, PA 17356
Based in Baltimore, 21 mi away
83/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 157 Google reviews, open 24/7.
- 4.9★ from 157 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Darnestown, 20 mi away
82/100CR ScoreRanked #20 because of its Google rating and availability: 4.4★ from 7 Google reviews, open 24/7.
- 4.4★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Arbutus, 19 mi away
82/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 26 Google reviews
- Hours
- Mon–Tue 7 AM–7 PM · Wed 9 AM–7 PM · Thu–Fri 7 AM–7 PM · Sat–Sun 9 AM–3 PM
Based in Pasadena, 29 mi away
82/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 47 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 9 AM–3 PM · Sun 9 AM–12 PM
- Address
- 3236 Mountain Rd, Pasadena, MD 21122
Based in Washington, D.C., 35 mi away
82/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Towson, 19 mi away
82/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28 E Susquehanna Ave Suite 8, Towson, MD 21286
Based in Washington, D.C., 35 mi away
81/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.6★ from 159 Google reviews, listed on Google as “Waterproofing service”.
- 4.6★ from 159 Google reviews
- Hours
- Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
Foundation repair companies ranked #26 to #50
#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 186 ranked foundation repair companies here; the rest are on their profiles.
Also serving Eldersburg
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 |
|---|---|---|
| A1 Crack Repair & Sons LLC | 4.7★ (35) | In Eldersburg |
| Anchor Waterproofing | 5.0★ (2) | 24 mi |
| Building Concepts, LLC | 5.0★ (1) | In Eldersburg |
| Bunting Home Improvements | 4.6★ (34) | In Eldersburg |
| BZ Waterproofing & Foundation Repair, LLC | 5.0★ (1) | In Eldersburg |
| E&F Contracting, Inc. | 5.0★ (47) | In Eldersburg |
| Foam Solutions, Inc | 5.0★ (125) | In Eldersburg |
| Foundations First, Inc. | In Eldersburg | |
| J&A Construction | 5.0★ (2) | 21 mi |
| Lee Foundation Co. Inc | 3.0★ (2) | 27 mi |
| Markus Enterprises Inc | 4.0★ (4) | In Eldersburg |
| MFI Concrete LLC | 4.9★ (7) | In Eldersburg |
| Michael Runk Plumbing & Heating LLC | 4.8★ (163) | In Eldersburg |
| Old Time Contractors, Inc. | 4.0★ (13) | In Eldersburg |
| Powderly Contracting LLC | 4.7★ (12) | In Eldersburg |
| R & R Contracting LLC | 2.0★ (2) | 27 mi |
| RMM Construction, L.L.C. | 5.0★ (1) | In Eldersburg |
| The Restoration Guys | 4.9★ (56) | In Eldersburg |
| Waterproofers On Call | In Eldersburg | |
| Z Con LLC | 4.0★ (3) | In Eldersburg |
How much do foundation repair companies cost in Eldersburg?
National price ranges in USD, not adjusted for Eldersburg. 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 |
How we ranked Eldersburg foundation repair companies
We scored 186 Eldersburg 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 Eldersburg 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 |
Foundation repair companies in Eldersburg: frequently asked questions
Who is the best foundation repair company in Eldersburg?
By CR Score, the highest-ranked foundation repair company in Eldersburg, MD is Best Buy Waterproofing with a CR Score of 94/100. It has 5.0★ from 572 Google reviews. It is open 24/7. Armored Basement Waterproofing (#2) and Thompson & Sons Waterproofing Inc. (#3) follow. We ranked 186 foundation repair companies on 8 factors, last updated October 22, 2026.
How many foundation repair companies are there in Eldersburg?
ContractorsRanked ranks 186 foundation repair companies serving Eldersburg, MD. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Eldersburg are open 24/7?
34 ranked foundation repair companies in Eldersburg post 24/7 hours. The highest-ranked are Best Buy Waterproofing (#1), Armored Basement Waterproofing (#2) and Thompson & Sons Waterproofing Inc. (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Eldersburg work on weekends?
126 of 186 ranked foundation repair companies post Saturday hours and 66 post Sunday hours. The highest-ranked open Saturdays are Best Buy Waterproofing (#1), Armored Basement Waterproofing (#2) and Thompson & Sons Waterproofing Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Eldersburg?
Foundation repair typically costs $2,225 to $8,133, with $5,174 typical (Per project: typical range of customer-reported repairs. US national range). This is a national range, not adjusted for Eldersburg. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Eldersburg foundation repair companies have?
The median Google rating among 186 rated foundation repair companies in Eldersburg is 4.9★, with a median of 31 reviews. JES Foundation Repair has the most, 940 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank foundation repair companies?
Each foundation repair company gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Eldersburg count in this ranking?
Yes, if they are within 40 mi of the Eldersburg city center, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Eldersburg
- October 2026: CR Scores recalculated for 186 foundation repair companies serving Eldersburg.
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