18 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Decatur: Helitech Waterproofing & Foundation Repair, CR Score 84/100; 4.9★ from 920 Google reviews; open Saturdays until 4 PM.
Best for emergencies (open 24/7): Legacy Roofing & Solar, posts 24/7 hours; ranked #4 of 18.
Most-reviewed: Legacy Roofing & Solar, 172 Google reviews at 4.7★, the most of 18 ranked after Helitech Waterproofing & Foundation Repair; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Decatur foundation repair companies are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 14 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.5★ across 18 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Helitech Waterproofing & Foundation Repair | 84 | 4.9★ (920) | Lincoln, 31 mi away | Sat | Overall |
| 2 | B & W Asphalt Paving & Sealcoating II | 79 | 4.5★ (11) | Decatur | Sat | — |
| 3 | Foundation Recovery Systems | 79 | 4.6★ (46) | Springfield, 40 mi away | Sat · Sun · Evenings | — |
| 4 | Legacy Roofing & Solar | 78 | 4.7★ (172) | Mattoon, 40 mi away | 24/7 | Emergencies, Most reviews |
| 5 | Morse Driveways | 77 | 3.0★ (6) | Decatur | 24/7 | — |
| 6 | Zion Pros by JG's Projects LLC | 77 | 4.4★ (39) | Decatur | — | — |
| 7 | GREENGOLD LANDSCAPING,INC. | 76 | 4.5★ (84) | Crest Hill, 18 mi away | Sat · Sun · Evenings | — |
| 8 | United Foundations | 74 | 5.0★ (14) | Frankfort, 18 mi away | Sat · Evenings | — |
| 9 | Sure Dry Waterproofing | 73 | 4.7★ (23) | Taylorville, 26 mi away | Evenings | — |
| 10 | Black Mold Removal Professionals of Springfield, IL | 72 | 4.3★ (18) | Springfield, 37 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.9★ from 920 Google reviews, the most Google reviews on this list (920).
Based in Decatur
Ranked #2 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “Foundation”.
Based in Springfield, 40 mi away
Ranked #3 because of its Google rating and trade focus: 4.6★ from 46 Google reviews, listed on Google as “Waterproofing service”.
Based in Mattoon, 40 mi away
Ranked #4 because of its Google rating and availability: 4.7★ from 172 Google reviews, open 24/7.
Based in Decatur
Ranked #5 because of its Google rating and availability: 3.0★ from 6 Google reviews, open 24/7.
Based in Decatur
Ranked #6 because of its Google rating and trade focus: 4.4★ from 39 Google reviews, listed on Google as “Waterproofing service”.
Based in Crest Hill, 18 mi away
Ranked #7 because of its Google rating and availability: 4.5★ from 84 Google reviews, open 7 days a week.
Based in Frankfort, 18 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Concrete contractor”.
Based in Taylorville, 26 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Waterproofing service”.
Based in Springfield, 37 mi away
Ranked #10 because of its Google rating and availability: 4.3★ from 18 Google reviews, open 24/7.
Based in Bloomington, 35 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based in Taylorville, 18 mi away
Ranked #12 because of its Google rating and availability: 4.3★ from 12 Google reviews, open 7 days a week.
Based in Springfield, 36 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 32 Google reviews, listed on Google as “Waterproofing service”.
Based in Springfield, 38 mi away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 16 Google reviews, listed on Google as “Waterproofing service”.
Based in Champaign, 40 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Concrete contractor”.
Based in Douglas, 19 mi away
Ranked #16 because of its Google rating and availability: 4.2★ from 5 Google reviews, open Saturdays until 7 PM.
Based in Springfield, 40 mi away
Ranked #17 because of its Google rating and availability: 4.7★ from 3 Google reviews, open 7 days a week.
Based in Springfield, 36 mi away
Ranked #18 because of its Google rating and trade focus: 3.3★ from 7 Google reviews, listed on Google as “Water damage restoration service”.
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 |
|---|---|---|
| Bear Walls, Inc. | 1.0★ (2) | 18 mi |
| C&M Waterproofing | 5.0★ (2) | 18 mi |
| Clean Cut Painting & Handyman | 4.7★ (340) | In Decatur |
| D. Gray Tuckpointing and Masonry | 35 mi | |
| First Course Masonry | 4.9★ (8) | In Decatur |
| Grand Foundation Drain & Waterproofing | 18 mi | |
| H & B Renovation | In Decatur | |
| HPL Concrete Restoration | 4.3★ (12) | In Decatur |
| Huttes Excavating & Concrete LLC | 3.0★ (2) | 32 mi |
| JG’s Projects LLC | 4.4★ (13) | In Decatur |
| JRE Construction | 5.0★ (1) | 36 mi |
| Kustom Home Remodeling | 5.0★ (9) | In Decatur |
| L E Myers Co | 4.3★ (4) | In Decatur |
| Promax Construction | 4.8★ (82) | In Decatur |
| Steven's Masonry LTD | 3.0★ (2) | In Decatur |
| Top Down Construction | 30 mi | |
| Vector Construction Inc. | 4.0★ (4) | In Decatur |
| Weber Waterproofing, LLC | In Decatur | |
| Zaffiri Concrete Foundation | 3.0★ (1) | 35 mi |
| Zion Pro's | In Decatur |
National price ranges in USD, not adjusted for Decatur. 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 18 Decatur foundation repair companies on 8 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. Unknown factors are left out of the score, 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 Decatur data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |