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ContractorsRanked

Best Foundation Repair Companies in Slidell, LA (2026)

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

The short answer

  1. 1

    Best overall in Slidell: B&H Roofing LLC, CR Score 84/100; 5.0★ from 46 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): AdvantaClean of Metro New Orleans, posts 24/7 hours; ranked #2 of 40.

  3. 16

    Most-reviewed: Westbank Roofing | Trusted Roofing Company in Harvey & New Orleans, 150 Google reviews at 4.7★, the most of 40 ranked; ranked #16.

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

40 Slidell foundation repair companies are ranked here by CR Score, from 8 published factors. 7 are open 24/7, 16 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.8★ across 40 rated businesses.

Most of this list also appears on the Foundation repair companies in New Orleans ranking. See Foundation repair companies in New Orleans

Top 10 foundation repair companies in Slidell at a glance

Top 10 foundation repair companies in Slidell at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1B&H Roofing LLC845.0★ (46)Lacombe, 15 mi away24/7Overall
2AdvantaClean of Metro New Orleans834.8★ (109)New Orleans, 29 mi away24/7Emergencies
3Simplex Roof835.0★ (66)Metairie, 29 mi away24/7—
4Water Removal Pros - New Orleans Water Damage Cleanup & Drying815.0★ (37)Belle Chasse, 29 mi away24/7—
5Ace House Leveling LLC804.9★ (39)Woodmere, 9 mi away——
6Custom Rubber Surfaces783.7★ (3)SlidellSat—
7Foundation Repair Louisiana755.0★ (3)New Orleans, 28 mi away24/7—
8CASTILLO BUILDERS744.7★ (64)Metairie, 29 mi awaySat—
9Advance Waterproofing Co Inc743.0★ (4)Gretna, 29 mi away——
10Clesi Foundation Repair743.4★ (5)Mandeville, 18 mi awaySat · Sun—

The 40 best foundation repair companies in Slidell, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

  1. Ranked #1 in Slidell

    #1 B&H Roofing LLC

    Based in Lacombe, 15 mi away

    84/100CR Score

    Ranked #1 because of its Google rating and availability: 5.0★ from 46 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 46 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for B&H Roofing LLC(985) 639-1552

  3. #3 Simplex Roof

    Based in Metairie, 29 mi away

    83/100CR Score

    Ranked #3 because of its Google rating and availability: 5.0★ from 66 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 66 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1 Galleria Blvd Suite 1900, Metairie, LA 70001
    View profile for Simplex Roof(504) 384-0676

  5. #5 Ace House Leveling LLC

    Based in Woodmere, 9 mi away

    80/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 39 Google reviews, listed on Google as “Foundation”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 39 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Ace House Leveling LLC(504) 858-1974

  6. #6 Custom Rubber Surfaces

    Based in Slidell

    78/100CR Score

    Ranked #6 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Waterproofing service”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.7★ from 3 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
    Address
    59015 Amber St STE D, Slidell, LA 70461
    View profile for Custom Rubber Surfaces(985) 218-9148

  8. #8 CASTILLO BUILDERS

    Based in Metairie, 29 mi away

    74/100CR Score

    Ranked #8 because of its Google rating and review volume: 4.7★ from 64 Google reviews, 64 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.7★ from 64 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    609 Metairie Rd, Metairie, LA 70005
    View profile for CASTILLO BUILDERS(504) 298-0415

  10. #10 Clesi Foundation Repair

    Based in Mandeville, 18 mi away

    74/100CR Score

    Ranked #10 because of its Google rating and availability: 3.4★ from 5 Google reviews, open 7 days a week.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.4★ from 5 Google reviews
    Hours
    Mon–Sun 6 AM–6 PM
    Address
    406 Carroll St, Mandeville, LA 70448
    View profile for Clesi Foundation Repair(985) 630-8388

  14. #14 Reliable Foundations

    Based in New Orleans, 28 mi away

    73/100CR Score

    Ranked #14 because of its Google rating and review volume: 4.9★ from 38 Google reviews, 38 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 38 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    4435 St Louis St, New Orleans, LA 70119
    View profile for Reliable Foundations(504) 217-5933

  15. #15 All Painting

    Based in Waveland, 24 mi away

    72/100CR Score

    Ranked #15 because of its Google rating and availability: 4.5★ from 8 Google reviews, open 7 days a week.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.5★ from 8 Google reviews
    Hours
    Mon–Sun 7 AM–5 PM
    Address
    310 Vacation Ln, Waveland, MS 39576
    View profile for All Painting(228) 254-0620

  16. #16 Westbank Roofing | Trusted Roofing Company in Harvey & New Orleans

    Based in Harvey, 33 mi away

    72/100CR Score

    Ranked #16 because of its Google rating and review volume: 4.7★ from 150 Google reviews, the most Google reviews on this list (150).

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.7★ from 150 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    1948 Industrial Blvd, Harvey, LA 70058
    View profile for Westbank Roofing | Trusted Roofing Company in Harvey & New Orleans(504) 340-4977

  18. #18 Volker Waterproofing LLC

    Based in New Orleans, 28 mi away

    70/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Thu 9 AM–5 PM · Fri–Sat closed · Sun 9 AM–5 PM
    Address
    504 N Murat St, New Orleans, LA 70119
    View profile for Volker Waterproofing LLC(504) 482-0595

  19. #19 Puglise Dirt Services

    Based in Harvey, 32 mi away

    69/100CR Score

    Ranked #19 because of its Google rating and availability: 4.6★ from 11 Google reviews, open Saturdays until 3 PM.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.6★ from 11 Google reviews
    Hours
    Mon–Fri 7 AM–5:30 PM · Sat 7 AM–3 PM · Sun closed
    Address
    1424 MacArthur Ave, Harvey, LA 70058
    View profile for Puglise Dirt Services(504) 341-9773

  21. #21 NolaTex - Renovations, Roofing, Foundations, Framing, Demolitions and Pile Driving

    Based in Destrehan, 38 mi away

    69/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Painting”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    10500 E Airline Hwy, St Rose, LA 70087
    View profile for NolaTex - Renovations, Roofing, Foundations, Framing, Demolitions and Pile Driving(888) 996-6528

  23. #23 Allied Xteriors, LLC

    Based in Mandeville, 21 mi away

    68/100CR Score

    Ranked #23 because of its Google rating and review volume: 4.8★ from 16 Google reviews, 16 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 16 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1522 W Causeway Approach Suite X, Mandeville, LA 70471
    View profile for Allied Xteriors, LLC(985) 966-5607

  24. #24 C Mason Concrete

    Based in Biloxi, 31 mi away

    68/100CR Score

    Ranked #24 because of its Google rating and review volume: 4.9★ from 19 Google reviews, 19 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 19 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun closed
    View profile for C Mason Concrete(228) 207-9455

  25. #25 Allied Xteriors, LLC

    Based in Slidell

    68/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1513 Regatta Cove, Slidell, LA 70458
    View profile for Allied Xteriors, LLC(985) 255-4339

How much do foundation repair companies cost in Slidell?

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

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

How we ranked Slidell foundation repair companies

We scored 40 Slidell 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Slidell data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Foundation repair companies in Slidell: frequently asked questions

Who is the best foundation repair company in Slidell?

By CR Score, the highest-ranked foundation repair company in Slidell, LA is B&H Roofing LLC with a CR Score of 84/100. It has 5.0★ from 46 Google reviews. It is open 24/7. AdvantaClean of Metro New Orleans (#2) and Simplex Roof (#3) follow. We ranked 40 foundation repair companies on 8 factors, last updated October 22, 2026.

How many foundation repair companies are there in Slidell?

ContractorsRanked ranks 40 foundation repair companies serving Slidell, LA. 2 of them are based in Slidell; the rest serve it from nearby towns. Counts are as of October 2026.

Which foundation repair companies in Slidell are open 24/7?

7 ranked foundation repair companies in Slidell post 24/7 hours. The highest-ranked are B&H Roofing LLC (#1), AdvantaClean of Metro New Orleans (#2) and Simplex Roof (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which foundation repair companies in Slidell work on weekends?

16 of 40 ranked foundation repair companies post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are B&H Roofing LLC (#1), AdvantaClean of Metro New Orleans (#2) and Simplex Roof (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does foundation repair cost in Slidell?

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 Slidell. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Slidell foundation repair companies have?

The median Google rating among 40 rated foundation repair companies in Slidell is 4.8★, with a median of 9 reviews. Westbank Roofing | Trusted Roofing Company in Harvey & New Orleans has the most, 150 reviews, and ranks #16. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do foundation repair companies outside Slidell count in this ranking?

Yes, if they are within 40 mi of the Slidell 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 Slidell

  1. October 2026: CR Scores recalculated for 40 foundation repair companies serving Slidell.
  2. October 2026: 1 duplicate listing merged.

More foundation repair companies and Slidell pages

Other trades in Slidell