Top Rated Foundation Contractors Serving San Mateo, CA
If you really care about choosing a quality foundation contractor, we’re here for you. Here’s your access to the best foundation contractors serving San Mateo including 94403, 94404, 94401, 94402 and 94497. These foundation experts provide foundation piers and foundation engineering, and they also work on foundation drainage, foundation design and foundation excavation. For 22 years we’ve conducted the most accurate ratings and deepest research of local contractors, so you’ll be confident in choosing.
Last Updated Jun 03, 2026
34,356 people sourced companies in Foundation Contractor
1,924 Verified Foundation Contractor Customers Surveyed
Engineered Soil Repairs, Inc. is a design/build construction company that provides solutions to soil-related problems, including landslide and creek b...
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Main Services
Foundation Contractor
Earthquake Retrofitting
Additional Services
Foundation Repairs, Retaining Walls, Landslide Repairs, Seawalls, Creek Bank Stabilization, Drainage and Earthquake Retrofitting
Coverage Areas
Alameda County,
Contra Costa County,
Marin County,
Monterey/San Benito County,
Napa County,
San Mateo County,
San Francisco County,
Santa Clara County,
Santa Cruz County,
Solano County,
Sonoma County
Diamond Certified Foundation Contractors Serve These San Mateo ZIP Codes
94403, 94404, 94401, 94402, 94497
Diamond Certified Foundation Contractors In San Mateo
Diamond Certified foundation contractors serving San Mateo are rated an average of 4.5 out of 5 stars based on 650 reviews of 25 rated foundation contractors. Diamond Certified foundation contractors in San Mateo Avg. Star Rating.
We make you an expert at choosing a high-quality foundation contractor in the San Mateo area.
For those who love quality local foundation contractors.
Within our Diamond Certified Resource:
You choose from only top rated Diamond Certified foundation contractors that serve our San Mateo area.
You see each contractor’s deeply researched report from our research.
You’ll love and refer your friends and family to your new San Mateo area Diamond Certified foundation contractor. They provide expert services, including foundation sealing, foundation footings, foundation grading, foundation consultation, foundation design, and more.
Every Diamond Certified foundation contractor that serves residents in 94403, 94404, 94401, 94402 and 94497 performs various specialties, including foundation drainage, foundation underpinning, foundation stabilization, foundation reinforcement, and foundation waterproofing.
How to Choose a Quality San Mateo Foundation Contractor for Your Family
Click the name of the contractor to get to their Diamond Certified Company Report page.
Watch their Diamond Certified Video Profile and other videos that we’ve created for you.
Read their verbatim client survey responses and our researched articles.
Get helpful foundation tips if they are a Diamond Certified Expert Contributor.
Call or email them to schedule an appointment.
Become a Diamond Certified Preferred Member and Join Your San Mateo Neighbors
If you love quality local contractors, this is for you. Become a Diamond Certified Preferred Member (always free) and get a double performance guarantee, extra guides and tips, our annual Diamond Certified Directory, and more.
Your Diamond Certified Resource. We make you an expert at choosing.
We make you an expert at choosing local companies by giving you the most accurate ratings, deeply researched company reports and Diamond Certified Guide of all Resource Guides, which cover 70+ industries in the Auto, Home, Health and Personal service categories. Each guide contains 16 key articles that are separated into “Before, During and After the Job” tabs. These are written to guide you through each phase of hiring, starting, managing and ending a job in that specific type of service.
Diamond Certified Resource Compared to Crowd-Sourced Review Sites
Diamond Certified Resource’s ratings of local companies are based on surveys of only verified real customers, so they are the most accurate. This beats crowd-sourced review sites like Yelp, Angi or even Google that are plagued with fake, manipulated, cherry-picked and non-customer reviews, which produce inaccurate and often inflated rating scores.
Diamond Certified Resource’s deeply researched reports of top rated Diamond Certified companies include everything you need to see to be very confident in choosing a top rated local company. Each company report includes detailed quality ratings and scoring, verbatim customer survey responses, a profile video, a company story video, a capabilities table, a photo gallery, researched articles, unique expert contributions from the company’s owner, and more. This beats crowd-sourced review sites that solicit companies to “claim their business listing” and add any type of info to their profiles. This sounds good, but it has led to company profiles that are littered with false claims and incomplete info.
San Mateo was founded in 1856, and today, your 101,525 neighbors enjoy fairs, scootering, aquariums, jogging and sunset watching. San Mateans use Diamond Certified foundation contractors for foundation inspection, foundation sealing, foundation excavation, foundation repair, foundation consultation, and more.
Frequently Asked Questions for Foundation Contractor in San Mateo, CA
Q: What are clients of Diamond Certified foundation contractors saying about contractors in San Mateo, CA?
A: Verified Engineered Soil Repairs, Inc. Customer, 1 of 539 "They're a great company. They did what they said they would do, and they did it in a timely fashion. The work was done under budget, and they kept me informed during the process. They were very professional, on time, under budget, and kept me informed." - Peter S. All Survey Responses for Engineered Soil Repairs, Inc.
Q: What are some of the most popular brands that Diamond Certified foundation contractors use when working with San Mateo residents?
A: Diamond Certified foundation contractors use top-quality brands like GCP Applied Technologies, W.R. Meadows, Pro Foundation Technology, Quikrete and AB Chance.
Q: What types of foundation inspection services do foundation contractors offer?
A: Foundation contractors typically offer a variety of foundation engineering services including structural foundation design, soil testing, foundation repair, underpinning, foundation excavation and installation, and foundation waterproofing. They also provide foundation maintenance services such as crack injections, waterproofing treatments, and soil stabilization. Foundation engineering is a critical step in any construction project and foundation contractors offer a range of services to ensure that the structure is built on a stable and secure foundation.
Q: Can Diamond Certified foundation contractors work with BASF products and similar items so I can get foundation piers in San Mateo?
A: Yes, Diamond Certified foundation contractors can work with BASF products and similar items to provide foundation piers in San Mateo.
Q: What did people search for when they wanted to find the best quality foundation contractors in San Mateo?
A: Foundation Crack Repair
Foundation Excavation
Foundation Engineering
Foundation Piers
Foundation Sealing
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The San Mateo Caltrain Station is a vital hub for commuters traveling along the San Francisco Peninsula. Photo: Sundry Photography
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