61/100CR Score
Ranked #1 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
Best Foundation Repair Companies in South Boston, MA (2026)
209 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South Boston: Metro Masonry & foundation, waterproofing, CR Score 61/100; 5.0★ from 233 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Bruno Guerriero Construction Inc., posts 24/7 hours; ranked #2 of 209.
- 7
Most-reviewed: Drycrete Waterproofing, 660 Google reviews at 5.0★, the most of 209 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
209 South Boston foundation repair companies are ranked here by CR Score, from ten published factors. 60 are open 24/7, 157 open Saturdays and 101 open Sundays, based on posted hours. The median Google rating is 5.0★ across 209 rated businesses.
Most of this list also appears on the Foundation repair companies in Boston ranking. See Foundation repair companies in Boston
Top 10 foundation repair companies in South Boston at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Metro Masonry & foundation, waterproofing | 61 | 5.0★ (233) | Cambridge, 4 mi away | 24/7 | Overall |
| 2 | Bruno Guerriero Construction Inc. | 61 | 5.0★ (25) | Boston, 2 mi away | 24/7 | Emergencies |
| 3 | Dynamite waterproofing and masonry | 61 | 4.8★ (81) | Boston, 2 mi away | Sat · Sun · Evenings | — |
| 4 | All Pro Basement Waterproofing Inc | 61 | 5.0★ (101) | Ashland, 20 mi away | 24/7 | — |
| 5 | Groundworks | 60 | 4.8★ (123) | Burlington, 13 mi away | Sat · Sun · Evenings | — |
| 6 | Foundation Crack Repair | 60 | 5.0★ (127) | Andover, 20 mi away | Sat · Sun | — |
| 7 | Drycrete Waterproofing | 59 | 5.0★ (660) | Walpole, 19 mi away | — | Most reviews |
| 8 | Effective Waterproofing | 59 | 4.9★ (37) | Grafton, 18 mi away | 24/7 | — |
| 9 | Queen Foundation Repair | 59 | 5.0★ (44) | Brookline, 2 mi away | Sat | — |
| 10 | Bigfoot Waterproofing | 59 | 5.0★ (107) | Andover, 23 mi away | Sat · Sun · Evenings | — |
The 209 best foundation repair companies in South Boston, 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 Boston, 2 mi away
61/100CR ScoreRanked #2 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 Boston, 2 mi away
61/100CR ScoreRanked #3 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 Ashland, 20 mi away
61/100CR ScoreRanked #4 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
#5 Groundworks
Based in Burlington, 13 mi away
60/100CR ScoreRanked #5 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, 20 mi away
60/100CR ScoreRanked #6 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
Based in Walpole, 19 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 660 Google reviews, listed on Google as “Waterproofing service”.
- 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 Grafton, 18 mi away
59/100CR 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 Brookline, 2 mi away
59/100CR ScoreRanked #9 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
Based in Andover, 23 mi away
59/100CR ScoreRanked #10 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 Brookline, 4 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 22 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 9 AM–3 PM
Based in Newton, 10 mi away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Masonry contractor”.
- 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 Waltham, 12 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “Masonry contractor”.
- 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 Braintree, 4 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Masonry contractor”.
- 5.0★ from 51 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Boston, 2 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Masonry contractor”.
- 5.0★ from 44 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 867 Boylston St suite 501, Boston, MA 02116
Based in Marlborough, 26 mi away
58/100CR ScoreRanked #16 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 Brookline, 6 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Masonry contractor”.
- 5.0★ from 47 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 63 Glendower Rd, Roslindale, MA 02131
Based in Boston, 2 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 32 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 24 School St 2nd floor, Boston, MA 02108
Based in Brookline, 3 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
Based in Haverhill, 30 mi away
57/100CR ScoreRanked #20 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 Framingham, 19 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “Siding contractor”.
- 5.0★ from 102 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6 Grace St, Framingham, MA 01701
Based in Waltham, 11 mi away
57/100CR ScoreRanked #22 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 Quincy, 6 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 174 Google reviews, listed on Google as “Masonry contractor”.
- 5.0★ from 174 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–3 PM · Sun closed
- Address
- 377 Willard St #297, Quincy, MA 02169
Based in Burlington, 13 mi away
57/100CR ScoreRanked #24 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 Arlington, 5 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Concrete contractor”.
- 5.0★ from 26 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
How much do foundation repair companies cost in South Boston?
National price ranges in USD, not adjusted for South Boston. 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 South Boston foundation repair companies
We scored 209 South Boston 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 South Boston 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 South Boston: frequently asked questions
Who is the best foundation repair company in South Boston?
By CR Score, the highest-ranked foundation repair company in South Boston, MA is Metro Masonry & foundation, waterproofing with a CR Score of 61/100. It has 5.0★ from 233 Google reviews. It is open 24/7. Bruno Guerriero Construction Inc. (#2) and Dynamite waterproofing and masonry (#3) follow. We ranked 209 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in South Boston?
ContractorsRanked ranks 209 foundation repair companies serving South Boston, MA. Counts are as of October 2026.
Which foundation repair companies in South Boston are open 24/7?
60 ranked foundation repair companies in South Boston post 24/7 hours. The highest-ranked are Metro Masonry & foundation, waterproofing (#1), Bruno Guerriero Construction Inc. (#2) and All Pro Basement Waterproofing Inc (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in South Boston work on weekends?
157 of 209 ranked foundation repair companies post Saturday hours and 101 post Sunday hours. The highest-ranked open Saturdays are Metro Masonry & foundation, waterproofing (#1), Bruno Guerriero Construction Inc. (#2) and Dynamite waterproofing and masonry (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in South Boston?
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 South Boston. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do South Boston foundation repair companies have?
The median Google rating among 209 rated foundation repair companies in South Boston is 5.0★, with a median of 18 reviews. Drycrete Waterproofing has the most, 660 reviews, and ranks #7. 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 South Boston count in this ranking?
Yes, if they are within 40 mi of the South Boston 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 South Boston
- October 2026: CR Scores recalculated for 209 foundation repair companies serving South Boston.
More foundation repair companies and South Boston pages
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