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Best 5 Foundation Repair Companies in San Francisco, CA

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Written By Max Peterson|Last Updated: February 05, 2024

Your San Francisco home's health relies on the health of its foundation. A building company can help you identify issues such as shifting and cracking before they jeopardize your home's structural integrity. Discover San Francisco's best foundation repair companies according to our in-depth research.

5 Best Foundation Repair Companies in San Francisco

Rsl Structural Inc. Logo

Rsl Structural

4.7/5
Based on 45 customer reviews.

Services Offered

Sump PumpsRepairGrading And LevelingFrench DrainsRetaining WallsConcreteCrawl Space Encapsulation

Highlights

  • Transparent pricing
  • Helps educate customers
  • Free quotes
674 Easton Ave, San Bruno, CA 530-551-7660 rslearthquakebrace.com
Montclair Construction Logo

Montclair Construction

4.5/5
Based on 32 customer reviews.

Services Offered

RepairRetaining WallsConcreteGrading And Leveling

Highlights

  • Good customer service
  • Transparent pricing
  • Helps educate customers
3871 Piedmont Ave, Oakland, CA 510-547-2457 montclairconstruction.com
Bay Area Retrofit Logo

Bay Area Retrofit

4.6/5
Based on 36 customer reviews.

Services Offered

Retaining WallsGrading And LevelingRepairMasonryConcreteDriveways

Highlights

  • Helps educate customers
  • Good customer service
427 San Pablo Ave, Albany, CA 510-548-1111 bayarearetrofit.com
Feraru & Associates Building and Design Inc Logo

Feraru & Associates Building and Design

4.7/5
Based on 42 customer reviews.

Services Offered

French DrainsRepairConcreteRetaining Walls

Highlights

  • Punctual service
  • Free quotes
  • Helps educate customers
1569 Solano Ave #249, Berkeley, CA 510-228-7366 feraru.us

More Local Foundation Repair Companies

Jim Gardner Construction Inc

User Reviews: 4.3/5 

3871 Piedmont Ave #13
Oakland, CA 94611

RWR Construction Inc

User Reviews: 4.3/5 

200 Gary Pl
San Rafael, CA 94901

BEAR Engineering

User Reviews: 4.7/5 

1825 S Grant St 2 Office 09-111
San Mateo, CA 94402

Peace of Mind Structural

User Reviews: 4.6/5 

180 South Blvd
San Mateo, CA 94402

I Construction & Structural Inc

User Reviews: 4.5/5 

69 Paul Dr.
San Rafael, CA 94903

Kodiak Construction

User Reviews: 4.7/5 

2140 Boynton Ave
Martinez, CA 94553

Heroes Design & Build East Bay

User Reviews: 4.4/5 

1191 Linden Dr
Concord, CA 94520

RH Construction and Structural

User Reviews: 4.7/5 

400 San Antonio Rd #2108
Mountain View, CA 94040

Bay Area Underpinning

User Reviews: 5/5 

2333 Courage Dr STE C
Fairfield, CA 94533

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

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Facts about San Francisco
Average Max Temp:55°F
Average Min Temp:53°F
Average Monthly Precipitation:1.81"
Percent of Homes With Basements8%
Average Cost of Foundation Repair:$4,029
Average Cost of Foundation Waterproofing:$4,238

Expert Tips By

This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

Common Causes of Foundation Problems in San Francisco

A few typical reasons why San Francisco homeowners encounter foundation woes include:

  • Aging plumbing: The average San Francisco home construction year is 1970. If you live in an older home, it's likely to have cast-iron plumbing. When the pipes start eroding, leaking water could reach your foundation and even pool beneath it.
  • Standing water: Pooling water around your home can be menacing to your foundation's integrity, especially when it gathers in areas your drainage system doesn't cover.
  • Improper modifications: Landscaping or roofing work that wasn't performed to standard could lead to your foundation settling.
  • Tree Roots: Tree roots can intrude into a home's foundation through crevices, and may exert pressure that leads to your foundation fracturing, pipes being damaged, and overall structural weakening.

How to Choose the Best Foundation Repair Company

Your home's foundation is vital to its structural integrity, so it's important to work with a reliable foundation repair contractor. Assess each firm using the following factors:

Licensing and Experience

The Golden State issues many different kinds of contracting licenses, and foundation companies often have more than one. You can verify a company's licensing information through the Contractors State License Board, a division of the California Department of Consumer Affairs. Look for a company with a General Building Contractor, General Engineering Contractor, C-8 Concrete, or C-61 Pile Driving credential. Talk to staff to gain additional insight into a company's experience. You should ask about local building codes, permit ordinances and inspection processes.

Another way to gauge a company's credibility is to look at its website. There, you can learn how long it's been in business and its trade qualifications. It might also share knowledge and insights through blog posts, podcasts, or videos.

Customer Reviews

When you're researching a company's reputation, check out its Better Business Bureau (BBB) profile. There, you can find its rating and a list of customer reviews, both positive experiences and complaints. Complaints aren't necessarily a red flag in themselves. Instead, discover how a company responds to them. If the management team proactively and consistently resolves issues, it's a good sign. However, if the company lacks accreditation, has an abundance of negative feedback, and doesn't communicate effectively, you should think twice about working with it.

Finally, we recommend you search different websites, including Trustpilot and Google, for additional feedback.

Foundation Repair Cost in San Francisco

The cost of foundation repair can range widely depending on the severity of the issues and what needs to be done to address them. For minor foundation fractures and settling issues, you may pay as little as $1,900. However, if there is substantial deterioration, the average cost will likely fall around $4,000. More complex jobs involving tunneling, helical piers, or concrete leveling could cost $7,300 or more. This table shows the average foundation repair costs for common issues.

Common Foundation Repair ServicesAverage Cost
Crack Repair$455
Leak Repair$3,820
Stabilization$6,740
Underpinning$1,735
Waterproofing$4,238

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Frequently Asked Questions About Foundation Repair in San Francisco

How much does foundation repair cost in San Francisco?

You could pay about $4,000 on materials and labor for your foundation project. Ultimately, your costs will depend on your specific needs and the extent of the issues.

Can a foundation always be fixed?

Most foundation issues don't require replacement to fix them. In unique cases, a foundation might require total replacement. However, if you pay attention to early warning signs like uneven doors or cracking walls, you probably won't need replacement.

What are the different types of foundations in San Francisco?

The most common foundation types in San Francisco are crawlspaces, pile-and-beam assemblies, slab foundations, and basements. The specific type your property has will depend on local temperatures, soil quality, and flooding potential.

When do I need to waterproof my foundation?

You'll typically need to waterproof your foundation when you see any of these signs:
  • Flooding
  • Uneven floors
  • Hairline cracks
  • Mold and mildew
  • Plumbing leaks
  • Discoloration or odors
You should also know about the two different types of waterproofing. Interior waterproofing uses sump pumps, drains, and basement and crawlspace sealants. Exterior waterproofing, the less expensive option, involves exterior drains and physical barriers between your landscaping and foundation.

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

More Foundation Resources

National Foundation Repair Ranking Methodology

Mold Remediation Cost Guide

Sources

U.S. Census Bureau (American Communities Survey)