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Best Foundation Repair Companies in Oak Hills, CA (2026)

39 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Oak Hills: American Decking and Waterproofing Company, CR Score 57/100; 4.9★ from 100 Google reviews.

  2. 8

    Best for emergencies (open 24/7): Cabral Roofing & Waterproofing, posts 24/7 hours; ranked #8 of 39.

  3. 2

    Most-reviewed: Groundworks, 135 Google reviews at 4.9★, the most of 39 ranked; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

39 Oak Hills foundation repair companies are ranked here by CR Score, from ten published factors. 6 are open 24/7, 28 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.9★ across 39 rated businesses.

Top 10 foundation repair companies in Oak Hills at a glance

Top 10 foundation repair companies in Oak Hills at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1American Decking and Waterproofing Company574.9★ (100)Glendale, 29 mi away—Overall
2Groundworks564.9★ (135)Ontario, 28 mi awaySat · Sun · EveningsMost reviews
3Pro-Seal Systems545.0★ (9)Glendora, 33 mi awaySat · Sun—
4Kaliber Roofing Inc544.8★ (82)Montclair, 29 mi awaySat · Sun · Evenings—
5J P Roofing544.9★ (100)Chino, 28 mi awaySat—
6Ojeda Hot Mop Shower Pans525.0★ (7)Glendora, 32 mi awaySat—
7SoCal Surfacing Inc.525.0★ (19)Adelanto, 37 mi away——
8Cabral Roofing & Waterproofing524.6★ (9)San Dimas, 32 mi away24/7Emergencies
9Easy Builders Construction525.0★ (21)Glendora, 34 mi away24/7—
10Reliance Roofing Inc.524.8★ (43)Rancho Cucamonga, 24 mi awaySat—

The 39 best foundation repair companies in Oak Hills, ranked

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.

  2. #2 Groundworks

    Based in Ontario, 28 mi away

    56/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.9★ from 135 Google reviews, the most in Oak Hills.

    • 4.9★ from 135 Google reviews
    Hours
    Mon–Fri 4 AM–8 PM · Sat 5 AM–8 PM · Sun 7 AM–8 PM
    Address
    1850 S Parco Ave, Ontario, CA 91761
    View profile for Groundworks(909) 220-5664

  3. #3 Pro-Seal Systems

    Based in Glendora, 33 mi away

    54/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Waterproofing service”.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Sun 8 AM–4 PM
    Address
    307 S Vermont Ave # H, Glendora, CA 91741
    View profile for Pro-Seal Systems(626) 278-0085

  5. #5 J P Roofing

    Based in Chino, 28 mi away

    54/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.9★ from 100 Google reviews.

    • 4.9★ from 100 Google reviews
    Hours
    Mon–Fri 6 AM–4 PM · Sat 7 AM–5 PM · Sun closed
    View profile for J P Roofing(909) 261-6473

  15. #15 Dexterous Hot Mop

    Based in Rancho Cucamonga, 21 mi away

    50/100CR Score

    Ranked #15 because of its Google rating and review volume: 4.6★ from 18 Google reviews.

    • 4.6★ from 18 Google reviews
    Hours
    Mon–Fri 6:30 AM–6:30 PM · Sat 7:30 AM–5 PM · Sun closed
    Address
    7423 Ethan Ct, Rancho Cucamonga, CA 91730
    View profile for Dexterous Hot Mop(909) 917-4100

  19. #19 Aal's Roofing

    Based in Hesperia, 5 mi away

    49/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Roofing contractor”.

    • 4.2★ from 5 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    16111 Vine St, Hesperia, CA 92345
    View profile for Aal's Roofing(909) 965-7281

  25. #25 DSM

    Based in Chino, 31 mi away

    48/100CR Score

    Ranked #25 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Waterproofing service”.

    • 3.7★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–5:30 PM · Sat–Sun closed
    Address
    13945 Magnolia Ave, Chino, CA 91710
    View profile for DSM(909) 464-1991

All 39 foundation repair companies

#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.

foundation repair companies in Oak Hills, ranks 26 to 39
RankBusinessCR ScoreGoogle ratingDistance
26Pro-Cal Painting Inc.485.0★ (17)21 mi
27Pro Budget Roofing485.0★ (9)25 mi
28Foundation roof's483.7★ (3)23 mi
29Build Foundation - West Covina475.0★ (3)38 mi
30True Price Roofing of Pomona475.0★ (5)30 mi
31MC Roofing474.5★ (8)25 mi
32Foundation Flooring Inc473.7★ (6)36 mi
33CJL Construction465.0★ (5)35 mi
34Gorrocino Roofing Inc.464.6★ (18)27 mi
35PiersPro465.0★ (3)23 mi
36AJ ROOFING455.0★ (8)38 mi
37Imperial Painting & Construction Inc.455.0★ (14)36 mi
38Olivas Foundation Drilling Inc454.0★ (4)34 mi
39R & S ALL AMERICAN ROOFING445.0★ (4)40 mi

Also serving Oak Hills

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.

Unranked foundation repair companies serving Oak Hills
BusinessGoogle ratingDistance
APEC Foundation Retrofit20 mi
CALIFORNIA ROOF COATINGS4.0★ (2)29 mi
CalPro Paving5.0★ (1)21 mi
Dan’s Roofing Company Riverside5.0★ (2)30 mi
Dominguez Construction3.0★ (2)37 mi
Earth Development5.0★ (1)9 mi
Ford Foundation Drilling5.0★ (1)35 mi
Foundation Construction5.0★ (1)28 mi
Hi-Tech Waterproofing LLC5.0★ (1)38 mi
Highland - Build Foundation Baldwin Park5.0★ (1)39 mi
I.E. Epoxy Design15 mi
IWSH FOUNDATION26 mi
Jakes Concrete Work San Bernardino Contractor25 mi
Journey Builders Inc Roofing Contractors20 mi
JRW Foundation Systems26 mi
Magic Hands Roofing Inc.20 mi
Professional Foundation Repair5.0★ (2)32 mi
Silver Leaf Construction Inc.5.0★ (1)27 mi
Slater Waterproofing Inc3.0★ (2)27 mi
The M&M Construction Group5.0★ (1)31 mi

How much do foundation repair companies cost in Oak Hills?

National price ranges in USD, not adjusted for Oak Hills. Each row names its basis and the month we checked it.

How much do foundation repair companies cost in Oak Hills?
JobLowTypicalHighBasisChecked
Foundation repair$2,225$5,174$8,133Per project: typical range of customer-reported repairs. US national rangeOctober 2026

How we ranked Oak Hills foundation repair companies

We scored 39 Oak Hills 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Oak Hills data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Foundation repair companies in Oak Hills: frequently asked questions

Who is the best foundation repair company in Oak Hills?

By CR Score, the highest-ranked foundation repair company in Oak Hills, CA is American Decking and Waterproofing Company with a CR Score of 57/100. It has 4.9★ from 100 Google reviews. Groundworks (#2) and Pro-Seal Systems (#3) follow. We ranked 39 foundation repair companies on ten factors, last updated October 22, 2026.

How many foundation repair companies are there in Oak Hills?

ContractorsRanked ranks 39 foundation repair companies serving Oak Hills, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which foundation repair companies in Oak Hills are open 24/7?

6 ranked foundation repair companies in Oak Hills post 24/7 hours. The highest-ranked are Cabral Roofing & Waterproofing (#8), Easy Builders Construction (#9) and American Highland Roofing (#11). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which foundation repair companies in Oak Hills work on weekends?

28 of 39 ranked foundation repair companies post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are Groundworks (#2), Pro-Seal Systems (#3) and Kaliber Roofing Inc (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does foundation repair cost in Oak Hills?

Foundation repair typically costs $2,225 to $8,133, with $5,174 typical (Per project: typical range of customer-reported repairs. US national range). This is a national range, not adjusted for Oak Hills. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Oak Hills foundation repair companies have?

The median Google rating among 39 rated foundation repair companies in Oak Hills is 4.9★, with a median of 9 reviews. Groundworks has the most, 135 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank foundation repair companies?

Each foundation repair company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do foundation repair companies outside Oak Hills count in this ranking?

Yes, if they are within 40 mi of the Oak Hills city center, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Oak Hills

  1. October 2026: CR Scores recalculated for 39 foundation repair companies serving Oak Hills.

More foundation repair companies and Oak Hills pages

Other trades in Oak Hills