64/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 321 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 321 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
Best Foundation Repair Companies in Ann Arbor, MI (2026)
94 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ann Arbor: AR Basement Crack Repair, CR Score 64/100; 5.0★ from 321 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): Mega Dry, posts 24/7 hours; ranked #3 of 94.
- 2
Most-reviewed: Foundation Systems of Michigan, 2,539 Google reviews at 4.7★, the most of 94 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
94 Ann Arbor foundation repair companies are ranked here by CR Score, from ten published factors. 17 are open 24/7, 58 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.9★ across 94 rated businesses.
Top 10 foundation repair companies in Ann Arbor at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | AR Basement Crack Repair | 64 | 5.0★ (321) | Ann Arbor | Sat · Sun · Evenings | Overall |
| 2 | Foundation Systems of Michigan | 62 | 4.7★ (2,539) | Livonia, 20 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Mega Dry | 61 | 5.0★ (103) | Farmington Hills, 17 mi away | 24/7 | Emergencies |
| 4 | Perma Dry Michigan - Basement Waterproofing | 60 | 4.9★ (429) | Amherstburg, 11 mi away | Sat | — |
| 5 | Michigan Basements | 60 | 4.9★ (377) | Auburn Hills, 32 mi away | 24/7 | — |
| 6 | HomeSpec Waterproofing and Foundation Repair | 60 | 4.9★ (897) | Westland, 21 mi away | Sat | — |
| 7 | Foundation Systems of Michigan | 58 | 4.9★ (508) | Rochester Hills, 38 mi away | Sat · Sun · Evenings | — |
| 8 | Affordable Dry Basement | 58 | 4.9★ (643) | Westland, 17 mi away | — | — |
| 9 | Windsor Proof | 58 | 5.0★ (132) | Windsor, 36 mi away | 24/7 | — |
| 10 | Sir Williams Drainage and Waterproofing Solutions | 58 | 4.7★ (56) | Ann Arbor | Sat · Evenings | — |
The 94 best foundation repair companies in Ann Arbor, 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 Livonia, 20 mi away
62/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 2,539 Google reviews, the most in Ann Arbor.
- 4.7★ from 2,539 Google reviews
- Hours
- Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
- Address
- 32985 Schoolcraft Rd, Livonia, MI 48150, United States
#3 Mega Dry
Based in Farmington Hills, 17 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 103 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Amherstburg, 11 mi away
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 429 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 429 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–12 PM · Sun closed
Based in Auburn Hills, 32 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 377 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 377 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 793 Industrial Ct, Bloomfield Township, MI 48302
Based in Westland, 21 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 897 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 897 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–2 PM · Sun closed
- Address
- 3501 S Henry Ruff Rd, Westland, MI 48186
Based in Rochester Hills, 38 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 508 Google reviews
- Hours
- Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
- Address
- 2817 Bond St, Rochester Hills, MI 48309, United States
Based in Westland, 17 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 643 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 643 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 636 N Hix Rd, Westland, MI 48185
Based in Windsor, 36 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 132 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Windsor, ON N8X 1X3
Based in Ann Arbor
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 56 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 56 Google reviews
- Hours
- Mon 9 AM–5 PM · Tue–Wed 9 AM–8 PM · Thu 9 AM–1 PM · Fri 9 AM–8 PM · Sat 1 PM–6 PM · Sun closed
- Address
- 49225 Quail Run Ct, Plymouth Township, MI 48170
Based in Milford, 29 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Milford, 10 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 81 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Novi, 19 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 280 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 280 Google reviews
- Hours
- Mon–Thu 7:30 AM–7 PM · Fri 7:30 AM–5 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 39555 Orchard Hill Pl # 600, Novi, MI 48375
Based in Troy, 37 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 297 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 297 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 977 E 14 Mile Rd #1003, Troy, MI 48083, United States
Based in Milford, 27 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 283 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 283 Google reviews
- Hours
- Mon–Sat 8:30 AM–5 PM · Sun closed
Based in Farmington Hills, 25 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 38 Google reviews, listed on Google as “Waterproofing service”.
- 4.6★ from 38 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31500 W 13 Mile Rd, Farmington Hills, MI 48334, United States
Based in Amherstburg, 29 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 382 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 382 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 32755 Wood St, Rockwood, MI 48173, United States
Based in Auburn Hills, 33 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 81 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 81 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
Based in Sterling Heights, 40 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 920 Google reviews, listed on Google as “Waterproofing service”.
- 4.6★ from 920 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat 8 AM–2:30 PM · Sun closed
- Address
- 33533 Mound Rd, Sterling Heights, MI 48310, United States
#20 Acculevel
Based in Monroe, 31 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 428 S Monroe St Ste 202, Monroe, MI 48161
Based in Ypsilanti, 8 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Gutter cleaning service”.
- 4.8★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5988 Stony Creek Rd, Ypsilanti, MI 48197
Based in Ann Arbor
55/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
- 5.0★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Saint Clair Shores, 37 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Foundation”.
- 5.0★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Windsor, 37 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 387 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 387 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2221 Dougall Ave, Windsor, ON N8X 1S7
Based in Lake Fenton, 31 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Sun 7 AM–5 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 94 ranked foundation repair companies here; the rest are on their profiles.
Also serving Ann Arbor
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 |
|---|---|---|
| Alanis Construction | 5.0★ (6) | In Ann Arbor |
| All American Restoration Services | 5.0★ (2) | In Ann Arbor |
| All Phases Home Services | 4.3★ (6) | In Ann Arbor |
| All Point Builders | 4.2★ (24) | In Ann Arbor |
| Ann Arbor Concrete | 4.9★ (8) | In Ann Arbor |
| Arbor Concrete LLC | 5.0★ (5) | In Ann Arbor |
| Argon Repair & Maintenance | 5.0★ (1) | In Ann Arbor |
| CLI Concrete Leveling | 4.6★ (27) | In Ann Arbor |
| cosmo mendez construction | 5.0★ (2) | In Ann Arbor |
| Family First Construction of Michigan | 4.4★ (36) | In Ann Arbor |
| Fletcher Contracting Group | 4.6★ (10) | In Ann Arbor |
| Gatlinbyrd Cement Corporation | Ypsilanti Ann Arbor Concrete Contractor | 4.3★ (37) | In Ann Arbor |
| Grammatico Masonry | 3.7★ (3) | In Ann Arbor |
| MEM Developing | 5.0★ (5) | In Ann Arbor |
| PuroClean of Ann Arbor | 5.0★ (76) | In Ann Arbor |
| R.E Moon Services | 5.0★ (15) | In Ann Arbor |
| Rapid-Dri Foundation Solutions | 5.0★ (1) | In Ann Arbor |
| Scope Design & Build | 5.0★ (5) | In Ann Arbor |
| Twin Oaks Landscape | 4.8★ (87) | In Ann Arbor |
| Upmost Cement | 4.7★ (38) | In Ann Arbor |
How much do foundation repair companies cost in Ann Arbor?
National price ranges in USD, not adjusted for Ann Arbor. 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 Ann Arbor foundation repair companies
We scored 94 Ann Arbor 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 Ann Arbor 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 Ann Arbor: frequently asked questions
Who is the best foundation repair company in Ann Arbor?
By CR Score, the highest-ranked foundation repair company in Ann Arbor, MI is AR Basement Crack Repair with a CR Score of 64/100. It has 5.0★ from 321 Google reviews. It is open 7 days a week. Foundation Systems of Michigan (#2) and Mega Dry (#3) follow. We ranked 94 foundation repair companies on ten factors, last updated October 22, 2026.
How many foundation repair companies are there in Ann Arbor?
ContractorsRanked ranks 94 foundation repair companies serving Ann Arbor, MI. 5 of them are based in Ann Arbor; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which foundation repair companies in Ann Arbor are open 24/7?
17 ranked foundation repair companies in Ann Arbor post 24/7 hours. The highest-ranked are Mega Dry (#3), Michigan Basements (#5) and Windsor Proof (#9). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Ann Arbor work on weekends?
58 of 94 ranked foundation repair companies post Saturday hours and 33 post Sunday hours. The highest-ranked open Saturdays are AR Basement Crack Repair (#1), Foundation Systems of Michigan (#2) and Mega Dry (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Ann Arbor?
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 Ann Arbor. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Ann Arbor foundation repair companies have?
The median Google rating among 94 rated foundation repair companies in Ann Arbor is 4.9★, with a median of 36 reviews. Foundation Systems of Michigan has the most, 2,539 reviews, and ranks #2. 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 Ann Arbor count in this ranking?
Yes, if they are within 40 mi of the Ann Arbor 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 Ann Arbor
- October 2026: CR Scores recalculated for 94 foundation repair companies serving Ann Arbor.
- October 2026: 2 duplicate listings merged.
More foundation repair companies and Ann Arbor pages
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