Waterproofing · San Francisco, CA/Updated June 13, 2026
The Best Waterproofing Contractors in San Francisco, CA
Waterproofing your home is essential in San Francisco's damp climate. Our rankings help you find reliable contractors for this crucial task.
MHMaya Hendricks · Home Services Editor Updated June 13, 2026 · Next review July 2026
Editorially independent7 companies evaluated
cover story
★ Editor's ChoiceJim Gardner Construction Inc
94Score
Latest update · June 13, 2026: Initial ranking published. 7 San Francisco-metro waterproofing businesses evaluated, top 6 ranked by Vetted Score.
In a city like San Francisco, where moisture can wreak havoc on homes, waterproofing is not just an option; it’s a necessity. With only seven providers evaluated in this metro area, the market is still forming, and many contractors have fewer than 50 reviews. This makes it all the more important to choose wisely.
We ranked the top six waterproofing contractors based on their Vetted Scores, which take into account both customer ratings and review counts. The leader, Jim Gardner Construction Inc, stands at a solid 4.7 stars from 42 reviews, while the runner-up, The Restoration & Waterproofing Co., Inc., has an impressive 5 stars from just 4 reviews. The spread of ratings indicates a competitive yet thin market.
7waterproofing contractors evaluated in San Francisco
4.53average rating across the field
69customer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
To evaluate the waterproofing contractors in San Francisco, we analyzed their customer reviews, ratings, and overall service offerings. Each provider was assessed on a scale of 0 to 100 based on a variety of factors, including reliability, responsiveness, and the quality of work performed.
We do not accept payment for placement in our rankings, ensuring that our evaluations are unbiased and transparent. Our list is refreshed monthly to reflect the most current data, allowing you to make informed decisions based on up-to-date information.
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.
With a strong rating of 4.7 stars from 42 reviews, Jim Gardner Construction Inc is highly regarded for its reliable waterproofing solutions. Customers often highlight their professionalism and prompt service. This contractor is best for homeowners seeking dependable, consistent results. However, while they have a solid reputation, some clients noted occasional scheduling issues.
Pros
Highly rated with numerous positive reviews
Professional and prompt service
Dependable results
Cons
Occasional scheduling issues
Best forHomeowners seeking consistent waterproofing solutions
The Restoration & Waterproofing Co., Inc. has a perfect rating of 5 stars based on 4 reviews, making it an appealing choice for those looking for exceptional service. Customers praise their attention to detail and thoroughness. This company is particularly well-suited for smaller projects or quick fixes. However, their limited review base leaves some uncertainty about their capacity for larger jobs.
Pros
Perfect rating with positive feedback
Attention to detail
Thorough service
Cons
Limited review base
Unproven for larger projects
Best forSmaller projects or quick waterproofing fixes
Cal Coast Waterproofing, Inc. holds an impressive perfect score of 5 stars with just 1 review, showcasing a promising but unproven track record. Customers appreciate their efficiency and expertise in waterproofing. Ideal for homeowners seeking specialized services, they currently lack the extensive feedback needed to fully assess their reliability over time.
Everest Waterproofing & Restoration, Inc. has a perfect rating of 5 stars from just 1 review. Customers highlight their prompt service and quality work. This contractor may be a good option for quick jobs, but their limited reviews make it hard to gauge their overall reliability and long-term performance. 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 waterproofing jobs. It serves San Francisco, CA, with $120 to $300 pricing, and the honest trade-offs are only one review and limited information on long-term performance.
With a rating of 4 stars from 9 reviews, Everest Waterproofing & Restoration offers a variety of waterproofing solutions. Customers commend their thoroughness and competitive pricing. While they have a solid reputation, the mixed reviews suggest some inconsistency in service quality that potential clients should consider. 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 affordable waterproofing solutions. It serves San Francisco, CA, with $100 to $250 pricing, and the honest trade-offs are mixed reviews indicate inconsistency and not as many reviews as top competitors.
Rainbow Waterproofing-Restoration has a rating of 3.5 stars from 12 reviews. While they offer a range of waterproofing services, customer feedback indicates a mix of experiences. Some clients appreciate their affordability, but others mention delays and communication issues. This contractor may suit budget-conscious homeowners, but be cautious about potential service inconsistencies.
How to choose a waterproofing contractor in San Francisco
Selecting the right waterproofing contractor can be daunting, especially with the thin review bases in this city. Here are key factors to consider that can help guide your choice.
Review Count
Look for providers with a higher number of reviews. This often reflects a more reliable track record.
Rating Consistency
Check if the contractor maintains a strong rating across multiple reviews. Variability might indicate inconsistent service.
Service Range
Consider contractors who offer a variety of waterproofing solutions. This can be a sign of expertise and adaptability to your needs.
What it costs
What waterproofing costs in San Francisco
The cost of waterproofing services in San Francisco can vary based on the extent of work needed and the contractor's experience. Here’s a breakdown of typical pricing tiers.
Basic Inspection$75 to $150 for a thorough assessment of your property's waterproofing needs.
Minor Repairs$300 to $800 for small-scale waterproofing fixes, such as sealing cracks or minor drainage improvements.
Full Waterproofing System$1,500 to $4,000 for comprehensive solutions, including installation of drainage systems and extensive sealing.
Major Renovation$5,000 to $20,000 for significant water damage restoration and full waterproofing renovations.
Frequently asked questions
How much does waterproofing cost in San Francisco?
Prices typically range from $2,000 to $5,000 depending on the extent of the work and the specific contractor.
Which waterproofing contractor has the most reviews?
Jim Gardner Construction Inc leads with 42 reviews, indicating a more established presence in the market.
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 Francisco homes: <strong>Jim Gardner Construction Inc</strong>
Jim Gardner Construction Inc takes the top spot with a strong 4.7 rating from 42 reviews, showcasing consistent reliability and customer satisfaction. Following closely is The Restoration & Waterproofing Co., Inc., which holds a perfect 5-star rating but has only 4 reviews, making it promising yet unproven. Finally, Cal Coast Waterproofing, Inc. also rates a perfect 5 but has only 1 review, indicating potential but lacking a solid track record. For most homeowners needing waterproofing, Jim Gardner is the clear choice based on established trust and review volume.
Cityvetted
