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Thompson & Sons Waterproofing Inc.Foundation repair company in Baltimore, MD

Thompson & Sons Waterproofing Inc. is a foundation repair company in Baltimore, MD, ranked #2 of 166 foundation repair companies in Baltimore and rated 5.0 from 153 Google reviews. Open 24 hours a day, 7 days a week.

Baltimore, MDUpdated 0 paid placements in any rankingHow we rank

Call (443) 993-5244Website ↗

Key facts

Key facts about Thompson & Sons Waterproofing Inc.
Phone(443) 993-5244
Websitethompsonandsonsinc.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 153 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Baltimore and 12 towns within 40 miles: Ilchester, West Elkridge, Hanover, Columbia, Ellicott City, Elkridge, Jessup, Catonsville, Arbutus, Savage, Fort George G Mead Junction and Riverside.

Based in Baltimore, MDView on map

Opening hours

Opening hours for Thompson & Sons Waterproofing Inc.
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical foundation repair prices

Typical foundation repair prices
JobLowTypicalHigh
Foundation repairPer project: typical range of customer-reported repairs. US national range$2,225$5,174$8,133

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby foundation repair companies

Thompson & Sons Waterproofing Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Thompson & Sons Waterproofing Inc. (this business)—935.0 (153)—YesYes
Best Buy Waterproofing#1945.0 (572)—YesYes2.3 mi
Armored Basement Waterproofing#3935.0 (128)—YesYes14.7 mi
JES Foundation Repair#4914.7 (940)—YesYes20.6 mi

See all 166 ranked foundation repair companies in Baltimore

Questions about Thompson & Sons Waterproofing Inc.

How is Thompson & Sons Waterproofing Inc. ranked in Baltimore?

Thompson & Sons Waterproofing Inc. is ranked #2 of 166 foundation repair companies in Baltimore by CR Score, with 93 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.

What are Thompson & Sons Waterproofing Inc.’s hours?

Thompson & Sons Waterproofing Inc. is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Thompson & Sons Waterproofing Inc. serve?

Serves Baltimore and 12 towns within 40 miles: Ilchester, West Elkridge, Hanover, Columbia, Ellicott City, Elkridge, Jessup, Catonsville, Arbutus, Savage, Fort George G Mead Junction and Riverside. The list is based on the business's location and the usual service radius for foundation repair. Confirm your address is covered when you call.

What do Google reviews say about Thompson & Sons Waterproofing Inc.?

Thompson & Sons Waterproofing Inc. has a rating of 5.0 from 153 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Thompson & Sons Waterproofing Inc.?

Call Thompson & Sons Waterproofing Inc. on (443) 993-5244. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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