52 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Portland: DFX Foundation & Waterproofing Experts, CR Score 63/100; 5.0★ from 391 Google reviews; open 24/7.
Best for emergencies (open 24/7): Acculevel, posts 24/7 hours; ranked #2 of 52.
Most-reviewed: Frontier Foundation & Crawl Space Repair, 2,878 Google reviews at 4.9★, the most of 52 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
52 Portland foundation repair companies are ranked here by CR Score, from ten published factors. 12 are open 24/7, 33 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 52 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | DFX Foundation & Waterproofing Experts | 63 | 5.0★ (391) | Gallatin, 14 mi away | 24/7 | Overall |
| 2 | Acculevel | 62 | 4.9★ (157) | Franklin, 10 mi away | 24/7 | Emergencies |
| 3 | Frontier Foundation & Crawl Space Repair | 62 | 4.9★ (2,878) | Clarksville, 28 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | CRAWLSPACE MD LLC | 61 | 5.0★ (48) | Portland | 24/7 | — |
| 5 | Crawlspace Solutions, LLC | 60 | 5.0★ (72) | Gallatin, 15 mi away | 24/7 | — |
| 6 | AFS Foundation & Waterproofing Specialists | 60 | 4.9★ (1,696) | La Vergne, 40 mi away | Sat · Sun · Evenings | — |
| 7 | All Space Residential | 58 | 5.0★ (33) | Hendersonville, 20 mi away | 24/7 | — |
| 8 | Crawl Logic | 58 | 5.0★ (338) | Nashville, 39 mi away | Sat · Sun | — |
| 9 | Barrier Waterproofing Systems | 57 | 4.9★ (71) | Lebanon, 25 mi away | 24/7 | — |
| 10 | AFS Foundation & Waterproofing Specialists | 57 | 4.9★ (101) | Bowling Green, 29 mi away | Sat · Sun · Evenings | — |
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: 5.0★ from 391 Google reviews, listed on Google as “Waterproofing service”.
Based in Franklin, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 157 Google reviews, listed on Google as “Waterproofing service”.
Based in Clarksville, 28 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 2,878 Google reviews, the most in Portland.
Based in Portland
Ranked #4 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Waterproofing service”.
Based in Gallatin, 15 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Waterproofing service”.
Based in La Vergne, 40 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,696 Google reviews, listed on Google as “Waterproofing service”.
Based in Hendersonville, 20 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Waterproofing service”.
Based in Nashville, 39 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 338 Google reviews, listed on Google as “Waterproofing service”.
Based in Lebanon, 25 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Waterproofing service”.
Based in Bowling Green, 29 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 101 Google reviews, listed on Google as “Waterproofing service”.
Based in Goodlettsville, 23 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 528 Google reviews.
Based in Nashville, 34 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 109 Google reviews, listed on Google as “Waterproofing service”.
Based in Goodlettsville, 24 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Waterproofing service”.
Based in Nashville, 38 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 175 Google reviews, listed on Google as “Waterproofing service”.
Based in Bowling Green, 29 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 102 Google reviews, listed on Google as “Waterproofing service”.
Based in Hendersonville, 17 mi away
Ranked #16 because of its Google rating and review volume: 4.7★ from 566 Google reviews.
Based in Gallatin, 9 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Concrete contractor”.
Based in Nashville, 35 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 439 Google reviews.
Based in Bowling Green, 29 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “Concrete contractor”.
Based in Goodlettsville, 9 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Concrete contractor”.
Based in Lebanon, 32 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Concrete contractor”.
Based in Murfreesboro, 33 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Waterproofing service”.
Based in Gallatin, 16 mi away
Ranked #23 because of its Google rating and availability: 4.7★ from 15 Google reviews, open 24/7.
Based in Brentwood, 31 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Concrete contractor”.
Based in Lebanon, 28 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 277 Google reviews.
#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 52 ranked foundation repair companies here; the rest are on their profiles.
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 |
|---|---|---|
| Downspout Dude | 5.0★ (1) | 32 mi |
| DrainMaster Plumbing | 4.8★ (25) | In Portland |
| Firm Foundation Masonry | 1 mi | |
| Hartsville Foundation Repair | 5.0★ (1) | 24 mi |
| Helitech Waterproofing & Foundation Repair | 5.0★ (1) | 31 mi |
| Holland Home Improvement | 5.0★ (2) | 24 mi |
| Makeovers | 32 mi | |
| Nabholz | 4.3★ (6) | In Portland |
| Nashville Foundation Pros | 29 mi | |
| Nashville Foundation Repair & Waterproofing | 5.0★ (1) | 33 mi |
| Nashville Waterproofing | 33 mi | |
| Oran Foundation Repair of Bowling Green | 5.0★ (2) | 28 mi |
| Ram Jack Middle Tennessee | 1.0★ (2) | 38 mi |
| Roof Rescue and Renovations | 22 mi | |
| Site Foundation Drilling Inc | 1.0★ (1) | 14 mi |
| Strong Waterproofing, LLC. | 3.0★ (2) | 35 mi |
| Top 2 Bottom Construction | 21 mi | |
| Warner Foundation Services | 2.5★ (2) | 35 mi |
| White House Foundation Repair | 5.0★ (2) | 20 mi |
| Xterior Contractors, LLC | 5.0★ (4) | In Portland |
National price ranges in USD, not adjusted for Portland. 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 52 Portland 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 Portland 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 |