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Best Foundation Repair Companies in Merrimac, MA (2026)

138 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Merrimac: Bigfoot Waterproofing, CR Score 63/100; 5.0★ from 107 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Unique Asphalt Paving, posts 24/7 hours; ranked #2 of 138.

  3. 12

    Most-reviewed: TC Hafford Basement Systems, 290 Google reviews at 4.6★, the most of 138 ranked; ranked #12.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

138 Merrimac foundation repair companies are ranked here by CR Score, from ten published factors. 34 are open 24/7, 99 open Saturdays and 59 open Sundays, based on posted hours. The median Google rating is 5.0★ across 138 rated businesses.

Top 10 foundation repair companies in Merrimac at a glance

Top 10 foundation repair companies in Merrimac at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Bigfoot Waterproofing635.0★ (107)Andover, 11 mi awaySat · Sun · EveningsOverall
2Unique Asphalt Paving634.9★ (40)Haverhill, 5 mi away24/7Emergencies
3Groundworks604.8★ (123)Burlington, 26 mi awaySat · Sun · Evenings—
4Foundation Crack Repair605.0★ (127)Andover, 34 mi awaySat · Sun—
5Metro Masonry & foundation, waterproofing595.0★ (233)Cambridge, 33 mi away24/7—
6NH Dry Basement594.9★ (69)Barrington, 28 mi awaySat · Sun · Evenings—
7Dynamite waterproofing and masonry584.8★ (81)Boston, 32 mi awaySat · Sun · Evenings—
8Lapans Basement Waterproofing585.0★ (19)Andover, 17 mi awaySat · Sun · Evenings—
9Bruno Guerriero Construction Inc.585.0★ (25)Boston, 33 mi away24/7—
10Stateline Masonry & Waterproofing585.0★ (106)Waltham, 32 mi away24/7—

The 138 best foundation repair companies in Merrimac, 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.

  1. Based in Burlington, 26 mi away

    60/100CR Score

    Ranked #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
  2. Based in Barrington, 28 mi away

    59/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 69 Google reviews, listed on Google as “Waterproofing service”.

    • 4.9★ from 69 Google reviews
    Hours
    Mon–Sun 7 AM–7 PM
    Address
    110 Isinglass Cir, Barrington, NH 03825
  3. Based in Tewksbury, 21 mi away

    55/100CR Score

    Ranked #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

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 138 ranked foundation repair companies here; the rest are on their profiles.

foundation repair companies in Merrimac, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Masters Masonry & Waterproofing555.0★ (18)24 mi
27Premier Basement Waterproofing555.0★ (29)33 mi
28Knights masonry & waterproofing555.0★ (32)33 mi
29Marksman Masonry And Construction,Foundtaion Waterproofing, Chimney Repairs555.0★ (47)39 mi
30Affordable Chimney Sweeps554.9★ (224)11 mi
31Premium Waterproofing and Foundations545.0★ (26)31 mi
32Bros Basement Waterproofing545.0★ (20)32 mi
33Boston District's Waterproofing544.9★ (27)32 mi
34C&M Construction Waterproofing545.0★ (7)28 mi
35Local masonry & Waterproofing545.0★ (4)9 mi
36Parkway Masonry&Construction,Chimney repairs, Foundation Waterproofing545.0★ (34)39 mi
37Groundworks544.9★ (40)13 mi
38Sweepnman, Inc.544.9★ (264)18 mi
39Newlay Masonry Inc545.0★ (112)33 mi
40Knights masonry & foundation waterproofing535.0★ (19)32 mi
41All For U Roofing & Masonry535.0★ (53)33 mi
42G. Spaulding Basement Waterproofing535.0★ (4)5 mi
43Rain and Shine Masonry, Foundation Waterproofing, Chimney Repairs, Boston534.7★ (19)31 mi
44Keller Waterproofing & Foundation Specialists534.7★ (34)30 mi
45NH Groundscapes, LLC (NHG)534.9★ (56)33 mi
46United Masonry & Foundation Waterproofing, Chimney repairs534.2★ (67)36 mi
47LaPorte Masonry & Waterproofing Inc.535.0★ (29)32 mi
48Build It Brothers Solutions535.0★ (16)38 mi
49Academy masonry & Construction535.0★ (77)32 mi
50Erickson Construction Co., Inc.534.6★ (13)20 mi

Also serving Merrimac

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.

How much do foundation repair companies cost in Merrimac?

National price ranges in USD, not adjusted for Merrimac. Each row names its basis and the month we checked it.

How much do foundation repair companies cost in Merrimac?
JobLowTypicalHighBasisChecked
Foundation repair$2,225$5,174$8,133Per project: typical range of customer-reported repairs. US national rangeOctober 2026

How we ranked Merrimac foundation repair companies

We scored 138 Merrimac 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Merrimac data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Foundation repair companies in Merrimac: frequently asked questions

Who is the best foundation repair company in Merrimac?

By CR Score, the highest-ranked foundation repair company in Merrimac, MA is Bigfoot Waterproofing with a CR Score of 63/100. It has 5.0★ from 107 Google reviews. It is open 7 days a week. Unique Asphalt Paving (#2) and Groundworks (#3) follow. We ranked 138 foundation repair companies on ten factors, last updated October 22, 2026.

How many foundation repair companies are there in Merrimac?

ContractorsRanked ranks 138 foundation repair companies serving Merrimac, MA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which foundation repair companies in Merrimac are open 24/7?

34 ranked foundation repair companies in Merrimac post 24/7 hours. The highest-ranked are Unique Asphalt Paving (#2), Metro Masonry & foundation, waterproofing (#5) and Bruno Guerriero Construction Inc. (#9). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which foundation repair companies in Merrimac work on weekends?

99 of 138 ranked foundation repair companies post Saturday hours and 59 post Sunday hours. The highest-ranked open Saturdays are Bigfoot Waterproofing (#1), Unique Asphalt Paving (#2) and Groundworks (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does foundation repair cost in Merrimac?

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 Merrimac. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Merrimac foundation repair companies have?

The median Google rating among 138 rated foundation repair companies in Merrimac is 5.0★, with a median of 19 reviews. TC Hafford Basement Systems has the most, 290 reviews, and ranks #12. 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 Merrimac count in this ranking?

Yes, if they are within 40 mi of the Merrimac 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 Merrimac

  1. October 2026: CR Scores recalculated for 138 foundation repair companies serving Merrimac.

More foundation repair companies and Merrimac pages

Other trades in Merrimac