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Best Foundation Repair Companies in South Kensington, MD (2026)

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

The short answer

  1. 1

    Best overall in South Kensington: Best Buy Waterproofing, CR Score 92/100; 5.0★ from 572 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Value Dry Basement Waterproofing, posts 24/7 hours; ranked #2 of 221.

  3. 8

    Most-reviewed: JES Foundation Repair, 1,929 Google reviews at 4.7★, the most of 221 ranked; ranked #8.

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

221 South Kensington foundation repair companies are ranked here by CR Score, from 8 published factors. 41 are open 24/7, 153 open Saturdays and 84 open Sundays, based on posted hours. The median Google rating is 4.9★ across 221 rated businesses.

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

Top 10 foundation repair companies in South Kensington at a glance

Top 10 foundation repair companies in South Kensington at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Best Buy Waterproofing925.0★ (572)Columbia, 20 mi away24/7Overall
2Value Dry Basement Waterproofing914.9★ (251)Arlington, 11 mi away24/7Emergencies
3Armored Basement Waterproofing895.0★ (128)Baltimore, 16 mi away24/7—
4Thompson & Sons Waterproofing Inc.895.0★ (153)Baltimore, 21 mi away24/7—
5Value Dry Basement Waterproofing884.7★ (334)Odenton, 20 mi away24/7—
6Tru Integrity LLC885.0★ (147)Baltimore, 7 mi awaySat · Sun · Evenings—
7NV Waterproofing & Foundation Repair874.9★ (975)Manassas, 30 mi awaySat · Sun—
8JES Foundation Repair864.7★ (1,929)Gainesville, 31 mi awaySat · Sun · EveningsMost reviews
9DMV Waterproofing, North Bethesda865.0★ (55)Rockville, 6 mi awaySat · Sun—
10Basement Waterproofing DC855.0★ (13)Washington, D.C., 9 mi away24/7—

The 221 best foundation repair companies in South Kensington, ranked

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.

  6. #6 Tru Integrity LLC

    Based in Baltimore, 7 mi away

    88/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “Waterproofing service”.

    • 5.0★ from 147 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–6 PM
    View profile for Tru Integrity LLC(443) 955-1941

  8. #8 JES Foundation Repair

    Based in Gainesville, 31 mi away

    86/100CR Score

    Ranked #8 because of its Google rating and review volume: 4.7★ from 1,929 Google reviews, the most Google reviews on this list (1,929).

    • 4.7★ from 1,929 Google reviews
    Hours
    Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
    Address
    7940 Gainsford Ct, Bristow, VA 20136
    View profile for JES Foundation Repair(703) 420-1887

  13. #13 Core Team Inc.

    Based in Bethesda, 3 mi away

    85/100CR Score

    Ranked #13 because of its Google rating and availability: 5.0★ from 113 Google reviews, open 24/7.

    • 5.0★ from 113 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4800 Hampden Ln #200, Bethesda, MD 20814
    View profile for Core Team Inc.(301) 960-8060

  23. #23 Basement Gurus LLC

    Based in Elkton, 17 mi away

    83/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Waterproofing service”.

    • 5.0★ from 29 Google reviews
    Hours
    Mon 8 AM–7 PM · Tue–Fri 7 AM–7 PM · Sat–Sun 9 AM–5 PM
    View profile for Basement Gurus LLC(877) 291-0911

  25. #25 Budget Waterproofing, Inc.

    Based in Arbutus, 27 mi away

    82/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 249 Google reviews, listed on Google as “Waterproofing service”.

    • 5.0★ from 249 Google reviews
    Hours
    Mon–Thu 8 AM–8 PM · Fri 8 AM–5 PM · Sat 9 AM–5 PM · Sun closed
    Address
    5191 Raynor Ave, Linthicum Heights, MD 21090
    View profile for Budget Waterproofing, Inc.(410) 609-1240

How much do foundation repair companies cost in South Kensington?

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

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

How we ranked South Kensington foundation repair companies

We scored 221 South Kensington 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 South Kensington 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 South Kensington: frequently asked questions

Who is the best foundation repair company in South Kensington?

By CR Score, the highest-ranked foundation repair company in South Kensington, MD is Best Buy Waterproofing with a CR Score of 92/100. It has 5.0★ from 572 Google reviews. It is open 24/7. Value Dry Basement Waterproofing (#2) and Armored Basement Waterproofing (#3) follow. We ranked 221 foundation repair companies on 8 factors, last updated October 22, 2026.

How many foundation repair companies are there in South Kensington?

ContractorsRanked ranks 221 foundation repair companies serving South Kensington, MD. Counts are as of October 2026.

Which foundation repair companies in South Kensington are open 24/7?

41 ranked foundation repair companies in South Kensington post 24/7 hours. The highest-ranked are Best Buy Waterproofing (#1), Value Dry Basement Waterproofing (#2) and Armored Basement Waterproofing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which foundation repair companies in South Kensington work on weekends?

153 of 221 ranked foundation repair companies post Saturday hours and 84 post Sunday hours. The highest-ranked open Saturdays are Best Buy Waterproofing (#1), Value Dry Basement Waterproofing (#2) and Armored Basement Waterproofing (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does foundation repair cost in South Kensington?

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

What Google rating do South Kensington foundation repair companies have?

The median Google rating among 221 rated foundation repair companies in South Kensington is 4.9★, with a median of 32 reviews. JES Foundation Repair has the most, 1,929 reviews, and ranks #8. 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 South Kensington count in this ranking?

Yes, if they are within 40 mi of the South Kensington 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 South Kensington

  1. October 2026: CR Scores recalculated for 221 foundation repair companies serving South Kensington.

More foundation repair companies and South Kensington pages

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