30 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ottawa: Thrasher Foundation Repair, CR Score 61/100; 4.9★ from 1,362 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Lamunyon Dry Out & Foundation Repair, posts 24/7 hours; ranked #3 of 30.
Most-reviewed: Koala Insulation of Kansas City, 400 Google reviews at 4.9★, the most of 30 ranked after Thrasher Foundation Repair; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
30 Ottawa foundation repair companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 14 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.8★ across 30 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Thrasher Foundation Repair | 61 | 4.9★ (1,362) | Lenexa, 34 mi away | Sat · Sun | Overall |
| 2 | KC Pier Foundation and Basement Waterproofing | 60 | 5.0★ (65) | Ottawa | Sat · Evenings | — |
| 3 | Lamunyon Dry Out & Foundation Repair | 56 | 5.0★ (31) | Topeka, 37 mi away | 24/7 | Emergencies |
| 4 | Foundation Recovery Systems | 56 | 4.8★ (101) | Topeka, 37 mi away | Sat · Sun · Evenings | — |
| 5 | Advanced Systems of NE Kansas | 55 | 4.3★ (32) | Lawrence, 25 mi away | Sat · Sun | — |
| 6 | KC Pier | 54 | 5.0★ (165) | Overland Park, 35 mi away | — | — |
| 7 | Windler Foundation Repair Systems | 54 | 4.5★ (15) | Ottawa | — | — |
| 8 | Spartan Ram Jack | 54 | 4.8★ (252) | Lenexa, 38 mi away | Evenings | — |
| 9 | Windler Foundation Repair | 54 | 4.8★ (31) | Lawrence, 25 mi away | Sat | — |
| 10 | KC Pier Foundation Repair and Waterproofing Experts | 54 | 5.0★ (20) | Lawrence, 25 mi away | Sat | — |
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 review volume: 4.9★ from 1,362 Google reviews, the most in Ottawa.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #2 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Topeka, 37 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Foundation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Topeka, 37 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 101 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrence, 25 mi away
Ranked #5 because of its Google rating and trade focus: 4.3★ from 32 Google reviews, listed on Google as “Foundation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Overland Park, 35 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa
Ranked #7 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lenexa, 38 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 252 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrence, 25 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 31 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrence, 25 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gardner, 22 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shawnee, 40 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 191 Google reviews, listed on Google as “Foundation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in De Soto, 30 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Foundation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Topeka, 40 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Independence, 27 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shawnee, 37 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 400 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Overland Park, 38 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 144 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Olathe, 32 mi away
Ranked #18 because of its Google rating and review volume: 5.0★ from 81 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Paola, 33 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lenexa, 38 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 61 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gardner, 34 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Olathe, 30 mi away
Ranked #22 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lenexa, 36 mi away
Ranked #23 because of its Google rating and trade focus: 3.8★ from 12 Google reviews, listed on Google as “Contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lenexa, 37 mi away
Ranked #24 because of its Google rating and trade focus: 1.3★ from 3 Google reviews, listed on Google as “Waterproofing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Joplin, 27 mi away
Ranked #25 because of its Google rating and trade focus: 1.0★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Gordon Energy & Drainage | 45 | 4.4★ (50) | 30 mi |
| 27 | PE-Foundation Solutions | 44 | 5.0★ (8) | 38 mi |
| 28 | Hayes Drilling Inc | 44 | 4.8★ (6) | 30 mi |
| 29 | Smart Foundation Repair and Basement Waterproofing Overland Park | 44 | 5.0★ (6) | 38 mi |
| 30 | Wagner's Mud-jacking Co. Inc. | 41 | 3.9★ (16) | 40 mi |
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 |
|---|---|---|
| B W Foundation Co | 30 mi | |
| Brulez Foundation Inc. | 5.0★ (2) | 30 mi |
| Cowboy Boot Foundation Repair Co | 32 mi | |
| Dials Construction LLC | 2.3★ (3) | In Ottawa |
| Footing Lifters Foundation Repair | 5.0★ (2) | 36 mi |
| John Norris Foundation Specialists | 5.0★ (2) | 29 mi |
| Leo De Brabander Foundation Co | 5.0★ (2) | 32 mi |
| Lilah's Dream Restoration and Renovation Service&Lilah's Dream Foundation, Home Restoration Service | 24 mi | |
| Mitchell Construction Co | In Ottawa | |
| Olson Foundation Repair | 5.0★ (1) | 36 mi |
| Olympic Foundation Repair | 5.0★ (2) | 39 mi |
| Power Lift Foundation Systems | 5.0★ (1) | 38 mi |
| Power Lift Foundation Systems | 38 mi | |
| Premier Foundations LLC | 5.0★ (1) | 34 mi |
| PTM Engineered Foundation Construction | 30 mi | |
| R Fuller Foundation | 5.0★ (1) | 27 mi |
| RTF Remodeling LLC | 29 mi | |
| Sillers Foundation Repair | 29 mi | |
| Thompson Concrete Inc | 5.0★ (1) | In Ottawa |
| Topeka Foundation Repair & Waterproofing Experts | 36 mi |
National price ranges in USD, not adjusted for Ottawa. 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 30 Ottawa 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 Ottawa 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 |