35 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ionia: Foundation Systems of Michigan, CR Score 61/100; 4.9★ from 1,095 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Foundation Specialist LLC, posts 24/7 hours; ranked #2 of 35.
Most-reviewed: Ayers Basement Systems, 1,399 Google reviews at 4.5★, the most of 35 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
35 Ionia foundation repair companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 20 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.8★ across 35 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Foundation Systems of Michigan | 61 | 4.9★ (1,095) | Grand Rapids, 32 mi away | Sat · Sun · Evenings | Overall |
| 2 | Foundation Specialist LLC | 60 | 4.8★ (338) | Grand Rapids, 31 mi away | 24/7 | Emergencies |
| 3 | Erie Home Basement Solutions | 59 | 4.7★ (151) | Kentwood, 26 mi away | 24/7 | — |
| 4 | Ayers Basement Systems | 58 | 4.7★ (397) | Kentwood, 26 mi away | Sat · Evenings | — |
| 5 | Ayers Basement Systems | 57 | 4.5★ (1,399) | Lansing, 33 mi away | Sat · Evenings | Most reviews |
| 6 | Rangel's Waterproofing & Construction | 57 | 4.9★ (98) | Grand Ledge, 20 mi away | Sat · Evenings | — |
| 7 | Everdry Waterproofing of Greater Grand Rapids | 56 | 4.6★ (439) | Grand Rapids, 31 mi away | Sat · Evenings | — |
| 8 | Coastal Renew, Inc | 56 | 4.9★ (47) | Lansing, 28 mi away | Sat · Sun | — |
| 9 | GRDry Basement Waterproofing | 55 | 5.0★ (28) | Allendale, 30 mi away | Sat · Sun · Evenings | — |
| 10 | Maurer Services LLC | 54 | 5.0★ (5) | Grand Ledge, 23 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,095 Google reviews, listed on Google as “Waterproofing service”.
Based in Grand Rapids, 31 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 338 Google reviews, listed on Google as “Waterproofing service”.
Based in Kentwood, 26 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 151 Google reviews, listed on Google as “Waterproofing service”.
Based in Kentwood, 26 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 397 Google reviews, listed on Google as “Waterproofing service”.
Based in Lansing, 33 mi away
Ranked #5 because of its Google rating and review volume: 4.5★ from 1,399 Google reviews, the most in Ionia.
Based in Grand Ledge, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “Waterproofing service”.
Based in Grand Rapids, 31 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 439 Google reviews, listed on Google as “Waterproofing service”.
Based in Lansing, 28 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Waterproofing service”.
Based in Allendale, 30 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Waterproofing service”.
Based in Grand Ledge, 23 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Waterproofing service”.
Based in East Lansing, 21 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 41 Google reviews, listed on Google as “Concrete contractor”.
Based in Charlotte, 32 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 94 Google reviews, listed on Google as “Waterproofing service”.
Based in East Lansing, 36 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Waterproofing service”.
Based in Allendale, 37 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Waterproofing service”.
Based in Wyoming, 34 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 252 Google reviews.
Based in Lansing, 32 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Concrete contractor”.
Based in Grand Rapids, 32 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Concrete contractor”.
Based in Grand Rapids, 30 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Saint Clair Shores, 27 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based in East Lansing, 40 mi away
Ranked #20 because of its Google rating and review volume: 5.0★ from 70 Google reviews.
Based in Allendale, 30 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based in Grand Rapids, 30 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Concrete contractor”.
Based in East Lansing, 37 mi away
Ranked #23 because of its Google rating and review volume: 4.2★ from 101 Google reviews.
Based in Grand Rapids, 30 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 13 Google reviews, listed on Google as “Water damage restoration service”.
Based in Grandville, 25 mi away
Ranked #25 because of its Google rating and trade focus: 4.5★ from 25 Google reviews, listed on Google as “Masonry contractor”.
#1 to #25 are shown in full above. Here are #26 to #35, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Red Turtle Roofing of Lansing | 44 | 5.0★ (3) | 32 mi |
| 27 | Clark Foundation Co | 44 | 4.2★ (5) | 28 mi |
| 28 | Georgetown Foundation Supplies | 44 | 4.0★ (5) | 37 mi |
| 29 | Gutter Flow System | 44 | 4.9★ (44) | 38 mi |
| 30 | RAM Construction Services | 42 | 4.3★ (7) | 25 mi |
| 31 | Spartan Commercial Roofing | 42 | 4.5★ (13) | 34 mi |
| 32 | Professional Home Repair | 42 | 3.9★ (108) | 36 mi |
| 33 | DC Byers Company/Grand Rapids Inc. | 41 | 3.6★ (11) | 32 mi |
| 34 | Gemmen's Caulking And Waterproofing | 41 | 2.3★ (3) | 39 mi |
| 35 | Premier Caulking Inc | 40 | 4.5★ (4) | 36 mi |
14 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 |
|---|---|---|
| A-Ayotte Waterproofing | 5.0★ (1) | 31 mi |
| Accurate Concrete Co. | 4.6★ (54) | In Ionia |
| Central Michigan Building Services | 5.0★ (2) | In Ionia |
| Eagle Masonary | 24 mi | |
| Foundation Co | 39 mi | |
| Four Seasons Drain Services | 5.0★ (108) | In Ionia |
| Nobel Foundations | 5.0★ (2) | 35 mi |
| Nobel Foundations | 5.0★ (2) | 39 mi |
| Quality Basement Waterproofing Services | 33 mi | |
| Rangel's Waterproofing | 5.0★ (2) | 29 mi |
| Schultz Basement Waterproofing | 34 mi | |
| Specialized Waterproofing Solutions LLC. | 38 mi | |
| Tremco Roofing - Central Michigan | 13 mi | |
| Wilson Heating, Cooling & Plumbing Inc | 4.9★ (169) | In Ionia |
National price ranges in USD, not adjusted for Ionia. 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 |
We scored 35 Ionia 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 Ionia 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 |