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ContractorsRanked

Best Foundation Repair Companies in Olney, MD (2026)

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

The short answer

  1. 1

    Best overall in Olney: Best Buy Waterproofing, CR Score 93/100; 5.0★ from 572 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Armored Basement Waterproofing, posts 24/7 hours; ranked #2 of 223.

  3. 10

    Most-reviewed: JES Foundation Repair, 1,929 Google reviews at 4.7★, the most of 223 ranked; ranked #10.

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

223 Olney foundation repair companies are ranked here by CR Score, from 8 published factors. 41 are open 24/7, 155 open Saturdays and 85 open Sundays, based on posted hours. The median Google rating is 4.9★ across 223 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 Olney at a glance

Top 10 foundation repair companies in Olney at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Best Buy Waterproofing935.0★ (572)Columbia, 14 mi away24/7Overall
2Armored Basement Waterproofing915.0★ (128)Baltimore, 7 mi away24/7Emergencies
3Thompson & Sons Waterproofing Inc.905.0★ (153)Baltimore, 16 mi away24/7—
4Value Dry Basement Waterproofing894.9★ (251)Arlington, 20 mi away24/7—
5Value Dry Basement Waterproofing884.7★ (334)Odenton, 20 mi away24/7—
6Tru Integrity LLC865.0★ (147)Baltimore, 15 mi awaySat · Sun · Evenings—
7Beyond Waterproofing and Foundation Repair864.9★ (120)Damascus, 12 mi awaySat · Sun · Evenings—
8DMV Waterproofing, North Bethesda865.0★ (55)Rockville, 6 mi awaySat · Sun—
9NV Waterproofing & Foundation Repair864.9★ (975)Manassas, 37 mi awaySat · Sun—
10JES Foundation Repair854.7★ (1,929)Gainesville, 37 mi awaySat · Sun · EveningsMost reviews

The 223 best foundation repair companies in Olney, 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, 15 mi away

    86/100CR 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

  10. #10 JES Foundation Repair

    Based in Gainesville, 37 mi away

    85/100CR Score

    Ranked #10 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

  15. #15 JES Foundation Repair

    Based in Baltimore, 36 mi away

    84/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.7★ from 940 Google reviews, listed on Google as “Waterproofing service”.

    • 4.7★ from 940 Google reviews
    Hours
    Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
    Address
    8361 Town Center Ct, Nottingham, MD 21236
    View profile for JES Foundation Repair(410) 873-7979

  19. #19 JES Foundation Repair

    Based in Washington, D.C., 18 mi away

    83/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.6★ from 159 Google reviews, listed on Google as “Waterproofing service”.

    • 4.6★ from 159 Google reviews
    Hours
    Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
    View profile for JES Foundation Repair(202) 933-7674

  20. #20 Core Team Inc.

    Based in Bethesda, 12 mi away

    83/100CR Score

    Ranked #20 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

  21. #21 Budget Waterproofing, Inc.

    Based in Arbutus, 22 mi away

    83/100CR Score

    Ranked #21 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

  22. #22 JES Foundation Repair

    Based in Baltimore, 26 mi away

    82/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 72 Google reviews, listed on Google as “Waterproofing service”.

    • 4.8★ from 72 Google reviews
    Hours
    Mon–Fri 7 AM–11 PM · Sat 8 AM–11 PM · Sun 10 AM–11 PM
    Address
    10 W Eager St Ste 313, Baltimore, MD 21201
    View profile for JES Foundation Repair(410) 928-7055

How much do foundation repair companies cost in Olney?

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

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

How we ranked Olney foundation repair companies

We scored 223 Olney 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 Olney 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 Olney: frequently asked questions

Who is the best foundation repair company in Olney?

By CR Score, the highest-ranked foundation repair company in Olney, MD is Best Buy Waterproofing with a CR Score of 93/100. It has 5.0★ from 572 Google reviews. It is open 24/7. Armored Basement Waterproofing (#2) and Thompson & Sons Waterproofing Inc. (#3) follow. We ranked 223 foundation repair companies on 8 factors, last updated October 22, 2026.

How many foundation repair companies are there in Olney?

ContractorsRanked ranks 223 foundation repair companies serving Olney, MD. Counts are as of October 2026.

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

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

Which foundation repair companies in Olney work on weekends?

155 of 223 ranked foundation repair companies post Saturday hours and 85 post Sunday hours. The highest-ranked open Saturdays are Best Buy Waterproofing (#1), Armored Basement Waterproofing (#2) and Thompson & Sons Waterproofing Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does foundation repair cost in Olney?

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

What Google rating do Olney foundation repair companies have?

The median Google rating among 223 rated foundation repair companies in Olney is 4.9★, with a median of 32 reviews. JES Foundation Repair has the most, 1,929 reviews, and ranks #10. 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 Olney count in this ranking?

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

  1. October 2026: CR Scores recalculated for 223 foundation repair companies serving Olney.

More foundation repair companies and Olney pages

Other trades in Olney