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Local services · San Antonio, TX/Updated June 13, 2026

The Best Waterproofing Contractors in San Antonio, TX

Protect your home from water damage with the best waterproofing contractors in San Antonio. Our top picks deliver reliable services with strong reputations.

Editorially independent4 companies evaluated
cover story
★ Editor's ChoiceOlshan Foundation Repair
96Score
Latest update · June 13, 2026: Initial ranking published. 4 San Antonio-metro waterproofing businesses evaluated, top 4 ranked by Vetted Score.

Waterproofing is essential in San Antonio, where heavy rains can lead to significant water damage in homes. Finding a reliable waterproofing contractor ensures your property stays safe and dry, protecting your investment and providing peace of mind.

We evaluated the top waterproofing contractors in the San Antonio area based on customer reviews, ratings, and overall service quality. Our list is updated monthly to reflect the latest feedback, ensuring you get the most accurate recommendations.

4providers evaluated in San Antonio
4.85average rating across the field
1.7Kcustomer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does this service cost in San Antonio? See the price breakdown →

Our top picks

At a glance · three categories
Editor's Choice
96Score

Olshan Foundation Repair

★★★★★4.8(1,100 reviews)

With a stellar rating of 4.8 from 1,100 reviews, Olshan Foundation Repair stands out for its exceptional customer service and effective waterproofing solutions.

Read full review
Best Value
93Score

Hercules Foundation Repair and Remodeling

★★★★★4.8(347 reviews)

Hercules Foundation Repair and Remodeling boasts a 4.8 rating from 347 reviews, praised for its competitive pricing and quality workmanship.

Read full review
Most Reviewed
90Score

G.L. Hunt Foundation Repair

★★★★★4.8(205 reviews)

G.L.

Read full review

All 4, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
96Score
4.8★★★★★
1,100Reliable waterproofing and foundation repair
2
93Score
4.8★★★★★
347Affordable waterproofing solutions
3
90Score
4.8★★★★★
205Complex waterproofing challenges
4
78Score
5.0★★★★★
13Quick and effective waterproofing
Methodology

How we evaluated all 4 providers.

To determine the top waterproofing contractors, we analyzed over a thousand customer reviews and ratings across various platforms. Each contractor was scored based on service quality, reliability, and customer satisfaction. Importantly, no business pays for placement in our rankings, guaranteeing unbiased results.

Our evaluation process is refreshed monthly to keep the rankings current. This ensures that you have access to the best options available in San Antonio at any given time.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

Olshan Foundation Repair

★★★★★4.8(1,100 reviews)
96Score

With a stellar rating of 4.8 from 1,100 reviews, Olshan Foundation Repair stands out for its exceptional customer service and effective waterproofing solutions. Customers appreciate their thorough assessments and reliable work, making them a top choice for homeowners. However, their busy schedule can lead to longer wait times for appointments.

Pros

  • High customer satisfaction
  • Thorough inspections
  • Experienced team

Cons

  • Long wait times for service
  • Higher average pricing
Best forReliable waterproofing and foundation repair
Service areaSan Antonio and surrounding areas
Typical pricing$1,000 to $7,000
2
Best Value

Hercules Foundation Repair and Remodeling

★★★★★4.8(347 reviews)
93Score

Hercules Foundation Repair and Remodeling boasts a 4.8 rating from 347 reviews, praised for its competitive pricing and quality workmanship. Customers note the professionalism and responsiveness of the team, making it an excellent choice for budget-conscious homeowners. A potential drawback is their limited service area compared to larger competitors. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is affordable waterproofing solutions. It serves San Antonio and nearby regions, with $1,000 to $5,000 pricing, and the honest trade-offs are limited service area and fewer specialists available.

Pros

  • Competitive pricing
  • Professional staff
  • Responsive customer service

Cons

  • Limited service area
  • Fewer specialists available
Best forAffordable waterproofing solutions
Service areaSan Antonio and nearby regions
Typical pricing$1,000 to $5,000
3
Most Reviewed

G.L. Hunt Foundation Repair

★★★★★4.8(205 reviews)
90Score

G.L. Hunt Foundation Repair holds a solid 4.8 rating with 205 reviews, recognized for their thorough work and customer-oriented approach. Many customers highlight their ability to tackle complex waterproofing challenges effectively. However, their review base is thinner than some competitors, making their experience somewhat less proven. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is complex waterproofing challenges. It serves San Antonio area, with $1,500 to $6,000 pricing, and the honest trade-offs are less proven due to fewer reviews and longer project timelines.

Pros

  • Customer-focused service
  • Handles complex projects
  • Thorough assessments

Cons

  • Less proven due to fewer reviews
  • Longer project timelines
Best forComplex waterproofing challenges
Service areaSan Antonio area
Typical pricing$1,500 to $6,000
4

Quality Foundation Repair

★★★★★5.0(13 reviews)
78Score

Quality Foundation Repair has an impressive rating of 5.0 from 13 reviews, indicating strong customer satisfaction and effective solutions. Customers appreciate their attention to detail and prompt service. However, with a limited review base, their reputation remains promising but unproven compared to more established contractors. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is quick and effective waterproofing. It serves San Antonio and surrounding areas, with $1,200 to $4,000 pricing, and the honest trade-offs are small review base and less established in the market.

Pros

  • Outstanding customer feedback
  • Quick response times
  • Attention to detail

Cons

  • Small review base
  • Less established in the market
Best forQuick and effective waterproofing
Service areaSan Antonio and surrounding areas
Typical pricing$1,200 to $4,000
Before you book

How to choose a waterproofing contractor in San Antonio

Selecting the right waterproofing contractor is crucial for protecting your home. Here are key factors to consider when making your choice.

Experience and Expertise

Look for contractors with a proven track record in waterproofing services. Experienced professionals are more likely to deliver quality work.

Customer Reviews

Check online reviews and ratings to gauge customer satisfaction. Positive feedback can indicate reliable service.

Warranty and Guarantees

Choose contractors who offer warranties on their work. This shows confidence in their services and provides added security.

Pricing Transparency

Ensure that the contractor provides clear pricing and detailed estimates. Avoid those with hidden fees to prevent surprises.

What it costs

What waterproofing costs in San Antonio

The cost of waterproofing can vary based on the extent of the work needed and the contractor's rates. Here’s a general idea of what you can expect to pay.

Basic WaterproofingTypically ranges from $1,000 to $3,000 for minor repairs and preventative measures.
Moderate RepairsCan cost between $3,000 to $7,000, depending on the complexity of the job.
Extensive Waterproofing SolutionsMay range from $7,000 to $15,000 for major issues that require significant work.
Consultation FeesSome contractors may charge $100 to $300 for an initial consultation or inspection.

Frequently asked questions

How much does waterproofing cost in San Antonio?

Waterproofing costs typically range from $1,000 to $15,000, depending on the extent of the work required.

What factors affect waterproofing pricing?

Pricing can be influenced by the size of the area needing treatment, the type of waterproofing method used, and the contractor's experience.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most San Antonio homes: Olshan Foundation Repair

When it comes to waterproofing, Olshan Foundation Repair is the clear leader with its outstanding service and extensive experience. Hercules Foundation Repair and Remodeling offers excellent value for those on a budget, while G.L. Hunt Foundation Repair excels in handling complex projects with a customer-focused approach.