11 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Marion: Tomlinson-Cannon, CR Score 60/100; 4.9★ from 166 Google reviews.
Most-reviewed: Tomlinson-Cannon, 665 Google reviews at 4.9★, the most of 11 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Marion foundation repair companies are ranked here by CR Score, from ten published factors. 2 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.6★ across 11 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Tomlinson-Cannon | 60 | 4.9★ (166) | Cedar Rapids, 4 mi away | — | Overall |
| 2 | Kane Waterproofing Inc | 57 | 5.0★ (29) | Marion | — | — |
| 3 | Eastern Iowa Spray Foam & Waterproofing LLC | 56 | 3.8★ (17) | Cedar Rapids, 4 mi away | — | — |
| 4 | Foundation Recovery Systems | 55 | 4.6★ (46) | Cedar Rapids, 7 mi away | Sat · Sun · Evenings | — |
| 5 | Gish's Gutters LLC | 54 | 4.7★ (98) | Marion | Sat | — |
| 6 | Tomlinson-Cannon | 53 | 4.9★ (665) | Iowa City, 26 mi away | — | Most reviews |
| 7 | Division 7 - Building Resource Group | 49 | 4.5★ (22) | Cedar Rapids, 2 mi away | — | — |
| 8 | Dryspace | 48 | 5.0★ (14) | Cedar Rapids, 9 mi away | — | — |
| 9 | L & E Basement Waterproofing & Concrete Raising | 48 | 4.6★ (9) | Anamosa, 17 mi away | — | — |
| 10 | Cal-Co Spray Coatings & Floor Coatings | 46 | 3.9★ (18) | Asbury, 11 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 166 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #2 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 4 mi away
Ranked #3 because of its Google rating and trade focus: 3.8★ from 17 Google reviews, listed on Google as “Waterproofing service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cedar Rapids, 7 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 46 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #5 because of its Google rating and review volume: 4.7★ from 98 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iowa City, 26 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 665 Google reviews, the most in Marion.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 2 mi away
Ranked #7 because of its Google rating and trade focus: 4.5★ from 22 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cedar Rapids, 9 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Anamosa, 17 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Water damage restoration service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Asbury, 11 mi away
Ranked #10 because of its Google rating and trade focus: 3.9★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coralville, 38 mi away
Ranked #11 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Marion. 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 11 Marion 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 Marion 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 |