62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 127 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 127 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun 9 AM–4 PM
Best Foundation Repair Companies in Chelmsford, MA (2026)
195 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Chelmsford: Foundation Crack Repair, CR Score 62/100; 5.0★ from 127 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): All Pro Basement Waterproofing Inc, posts 24/7 hours; ranked #2 of 195.
- 15
Most-reviewed: Drycrete Waterproofing, 660 Google reviews at 5.0★, the most of 195 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
195 Chelmsford foundation repair companies are ranked here by CR Score, from ten published factors. 46 are open 24/7, 138 open Saturdays and 82 open Sundays, based on posted hours. The median Google rating is 5.0★ across 195 rated businesses.
Top 10 foundation repair companies in Chelmsford at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Foundation Crack Repair | 62 | 5.0★ (127) | Andover, 12 mi away | Sat · Sun | Overall |
| 2 | All Pro Basement Waterproofing Inc | 61 | 5.0★ (101) | Ashland, 24 mi away | 24/7 | Emergencies |
| 3 | Groundworks | 61 | 4.8★ (123) | Burlington, 11 mi away | Sat · Sun · Evenings | — |
| 4 | Bigfoot Waterproofing | 61 | 5.0★ (107) | Andover, 18 mi away | Sat · Sun · Evenings | — |
| 5 | BG Foundation Repair | 60 | 5.0★ (36) | Marlborough, 20 mi away | 24/7 | — |
| 6 | Metro Masonry & foundation, waterproofing | 60 | 5.0★ (233) | Cambridge, 21 mi away | 24/7 | — |
| 7 | Unique Asphalt Paving | 60 | 4.9★ (40) | Haverhill, 20 mi away | 24/7 | — |
| 8 | Effective Waterproofing | 60 | 4.9★ (37) | Grafton, 20 mi away | 24/7 | — |
| 9 | A-1 Foundation Crack Repair, Inc. | 59 | 4.9★ (495) | Hudson, 18 mi away | Sat · Sun · Evenings | — |
| 10 | Stateline Masonry & Waterproofing | 59 | 5.0★ (106) | Waltham, 15 mi away | 24/7 | — |
The 195 best foundation repair companies in Chelmsford, ranked
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.
Based in Ashland, 24 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 101 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 166 Pond St, Ashland, MA 01721
#3 Groundworks
Based in Burlington, 11 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 123 Google reviews
- Hours
- Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
- Address
- 1500 District Ave, Burlington, MA 01803
Based in Andover, 18 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 107 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 107 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
Based in Marlborough, 20 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 36 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 335 Mechanic St, Marlborough, MA 01752
Based in Cambridge, 21 mi away
60/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 233 Google reviews.
- 5.0★ from 233 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45 Prospect St, Cambridge, MA 02139
Based in Haverhill, 20 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Foundation”.
- 4.9★ from 40 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 51 Greenville St, Haverhill, MA 01830
Based in Grafton, 20 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 37 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hudson, 18 mi away
59/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 495 Google reviews.
- 4.9★ from 495 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 282 Central St STE 9, Hudson, MA 01749
Based in Waltham, 15 mi away
59/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 106 Google reviews.
- 5.0★ from 106 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 303 Wyman St #300, Waltham, MA 02451
Based in Boston, 23 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 81 Google reviews, listed on Google as “Waterproofing service”.
- 4.8★ from 81 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 90 Canal St, Boston, MA 02114
Based in Boston, 23 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6 Liberty Sq #2760, Boston, MA 02109
Based in Newton, 19 mi away
58/100CR ScoreRanked #13 because of its Google rating and review volume: 5.0★ from 112 Google reviews.
- 5.0★ from 112 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 275 Grove St Suite 4017, Newton, MA 02466
Based in Westford, 4 mi away
58/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 111 Google reviews.
- 5.0★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 39 Lawson Rd, Westford, MA 01886
Based in Walpole, 35 mi away
58/100CR ScoreRanked #15 because of its Google rating and review volume: 5.0★ from 660 Google reviews, the most in Chelmsford.
- 5.0★ from 660 Google reviews
- Hours
- Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
- Address
- 2214 Providence Hwy, Walpole, MA 02081
Based in Framingham, 20 mi away
58/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 102 Google reviews.
- 5.0★ from 102 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6 Grace St, Framingham, MA 01701
Based in Andover, 12 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Fri 7:30 AM–8 PM · Sat–Sun 10 AM–2 PM
Based in Burlington, 12 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 50 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Seven Springs Ln #20C, Burlington, MA 01803
Based in Brookline, 10 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat 9 AM–1 PM · Sun closed
Based in Waltham, 16 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Concrete contractor”.
- 4.9★ from 54 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 77 Prentice St, Waltham, MA 02451
Based in Woburn, 14 mi away
56/100CR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 127 Google reviews.
- 5.0★ from 127 Google reviews
- Hours
- Mon–Fri 8:30 AM–6:30 PM · Sat 8:30 AM–5:30 PM · Sun closed
- Address
- 158 Main St Unit 1, Woburn, MA 01801
Based in Concord, 10 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Masonry contractor”.
- 5.0★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 300 Baker Ave, Concord, MA 01742
Based in Millis, 29 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 26 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 274 Orchard St, Millis, MA 02054
#24 Wooster Roofing
Based in Tewksbury, 4 mi away
56/100CR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 238 Google reviews.
- 4.9★ from 238 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 7 AM–3 PM · Sun closed
- Address
- 525 Woburn St #4, Tewksbury, MA 01876
Based in Brookline, 25 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 44 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
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 195 ranked foundation repair companies here; the rest are on their profiles.
Also serving Chelmsford
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 |
|---|---|---|
| Beacon Waterproofing | 3.0★ (2) | 18 mi |
| Capital One Foundations and Masonry | 5.0★ (2) | 5 mi |
| Crossroads Construction | 5.0★ (5) | In Chelmsford |
| Dom's Workshop, Inc. | 5.0★ (48) | In Chelmsford |
| DS Empire General Construction Corp | 5.0★ (24) | In Chelmsford |
| Family Pro Epoxy and Waterproofing | 3.0★ (2) | 13 mi |
| Galika Concrete Foundations | 1.0★ (2) | 20 mi |
| Keystone foundation and waterproofing | 5.0★ (2) | 7 mi |
| lapanswaterproofing | In Chelmsford | |
| New England Paveworks | 5.0★ (4) | In Chelmsford |
| Pat Torcasio Contractors, LLC | 5.0★ (2) | 17 mi |
| Pittol Construction and Foundation | 3.0★ (2) | 19 mi |
| Ronchetti Waterproofing | 5.0★ (2) | 14 mi |
| Royalty Masonry | 4.9★ (28) | In Chelmsford |
| T B Concrete Foundations | 5.0★ (2) | 15 mi |
| Unik Construction LLC | 5.0★ (68) | In Chelmsford |
| Waterguard waterproofing and foundation | 5.0★ (2) | 22 mi |
| Wentworth concrete and waterproofing LLC | 5.0★ (2) | 15 mi |
| WP Designs | In Chelmsford | |
| WR Ferreira Construction – Paver Installation & Hardscape Services in Dracut, MA | 4.8★ (18) | In Chelmsford |
How much do foundation repair companies cost in Chelmsford?
National price ranges in USD, not adjusted for Chelmsford. 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 Chelmsford foundation repair companies
We scored 195 Chelmsford 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 Chelmsford 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 |
Foundation repair companies in Chelmsford: frequently asked questions
Who is the best foundation repair company in Chelmsford?
By CR Score, the highest-ranked foundation repair company in Chelmsford, MA is Foundation Crack Repair with a CR Score of 62/100. It has 5.0★ from 127 Google reviews. It is open 7 days a week. All Pro Basement Waterproofing Inc (#2) and Groundworks (#3) follow. We ranked 195 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Chelmsford?
ContractorsRanked ranks 195 foundation repair companies serving Chelmsford, MA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Chelmsford are open 24/7?
46 ranked foundation repair companies in Chelmsford post 24/7 hours. The highest-ranked are All Pro Basement Waterproofing Inc (#2), BG Foundation Repair (#5) and Metro Masonry & foundation, waterproofing (#6). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Chelmsford work on weekends?
138 of 195 ranked foundation repair companies post Saturday hours and 82 post Sunday hours. The highest-ranked open Saturdays are Foundation Crack Repair (#1), All Pro Basement Waterproofing Inc (#2) and Groundworks (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Chelmsford?
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 Chelmsford. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Chelmsford foundation repair companies have?
The median Google rating among 195 rated foundation repair companies in Chelmsford is 5.0★, with a median of 19 reviews. Drycrete Waterproofing has the most, 660 reviews, and ranks #15. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Chelmsford count in this ranking?
Yes, if they are within 40 mi of the Chelmsford 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 Chelmsford
- October 2026: CR Scores recalculated for 195 foundation repair companies serving Chelmsford.
More foundation repair companies and Chelmsford pages
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