The Prime Buyer's Report

The definitive guide to local shopping; methodically researched, updated daily.

San Francisco Bay Area Edition

Prime Buyers Guide Foundation Contractors & Foundation Repair Companies

How to Find the Best Foundation Contractors in San Francisco CA

Foundation contractors in San Francisco pour new foundations, do foundation repair, inspection, and foundation stabilization to address a sinking foundation, sinking slab, bowed or buckled foundations, foundation jacking, foundation replacement, or even simple foundation cracks.  

The following research by The Prime Buyer's Report identifies the best foundation contractors in San Francisco and issues related to hiring them.

Updated April 8, 2016

 The TOP 10 Foundation Contractors & Foundation Repair Companies in San Francisco CA

Bruce Construction
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(650) 296-0323
1530 Claremont Dr
San Bruno, CA 94066
State Contractor's License #976466
   Prime Buyer's Report TOP 10  Better Business Bureau NKBA (National Kitchen & Bath Association) Chamber of Commerce-San Bruno

Areas Served: San Francisco Bay Area
Services: foundations, new foundation, foundation pouring, foundation repair
Key Brands: Kohler, Merillat Cabinets

Mares & Dow Construction
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(415) 447-6136
1155 Ellis St.  Suite #4
San Francisco, CA 94109
State license #618118 (B,C-10)
   Prime Buyer's Report TOP 10 Build It Green USGBC Member (U.S. Green Building Council) NorCal Solar (Northern California Solar Energy Association) Velux 5 Star Certified Installer

Areas Served: San Francisco Bay Area
Services: new foundations, foundation repair, foundation builders
Key Brands: Andersen Windows & Doors, Bristolite Daylighting Systems, Jeld-Wen Windows & Doors, ...

Everlast Construction
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(925) 334-7600 5% Discount By Saying You Saw It in The Prime Buyer's Report
1941 Oak Park Blvd #70
Pleasant Hill, CA 94523
State Contractor's License #986126 (B)
   Prime Buyer's Report TOP 10  Diamond Certified  Better Business Bureau NARI (National Association of The Remodeling Industry) NKBA (National Kitchen & Bath Association) Chamber of Commerce-Pleasant Hill Build It Green-Certified Professional

Areas Served: Bay Area & San Francisco CA incl. Sunset District, Nob Hill, Russian Hill, North ...
Services: foundation repair, foundation crack repair, foundation strengthening, foundation ...
Key Brands: CaesarStone (CaesarStone Quartz), GAF, Silestone

Associated Builders
(415) 285-6200
4026 3rd St
# 101
San Francisco, CA 94124

Areas Served: San Francisco, incl. North Beach, Noe Valley, Russian Hill, Twin Peaks, Sea Cliff
Services: home roofers for new roof installation, roofing repair services, re-roofing

Birmingham Construction Group
(415) 731-1143
507 Vicente St
San Francisco, CA 94116

Areas Served: San Francisco, incl. North Beach, Noe Valley, Mission District, The Presidio

Artcore Construction Inc
(415) 550-1975
370 Barneveld Ave
San Francisco, CA 94124

Areas Served: San Francisco, incl. Inner Sunset, Outer Sunset District, Mission District

How to Find the Best Foundation Contractors in San Francisco CA 

Foundation contractors for new foundations or foundation repair in San Francisco need to be State licensed as protection for consumers, however there is no one specific contractors license for foundation work in California. Instead, foundation pouring and foundation repair is performed by contractors under a variety of different license classifications such as the A license or C-8 license.  When it comes specifically to foundation jacking or injecting concrete for foundation stabilization, there is a specialty D30 license for these purposes but that foundation work is still often done under other license categories like those cited above.

Foundation contractors in San Francisco CA are not required by law to have general liability insurance; however, all foundation contractors bearing The Prime Buyer's Report—TOP 10 designation have general liability insurance coverage which reimburses their client in the event of any damages, in addition to passing all other requirements for certification as Prime Buyer's Report—TOP 10 such as phone calls with previous clients, hiring only documented workers, verified state license and workers' comp insurance, clean complaint record, and more.


Foundation Repair in San Francisco CA
Methods of foundation stabilization include plate anchors or drilling helical piers into a deeper layer of more stable earth when foundations rest directly on loose soil or limestone which are soft and contribute to foundation sinking, buckling or cracking. Helical piers are suitable for lighter structures like most homes. Steel piers may be used in the same manner for heavier structures. The need for radical foundation stabilization or foundation sinking repair measures might be avoided with preventative repairs of small problems immediately such as when you first notice foundation cracks or cracks in the walls or floors of your home. These could be the result of only foundation settling but they could be the sign of a larger problem that will cost less to repair now than later. A foundation inspection should be performed immediately.


San Francisco Foundation Contractors Resolve a Number of Foundation Problems
Many homeowners are familiar with the more common problems associated with foundations, including foundation cracking and settling. In such instances, a foundation contractor who specializes in foundation repair can perform procedures to fix the problem, such as slabjacking (drilling holes in the foundation and filling them with polyurethane, epoxy, or other mixed fills), which is usually cheaper than replacing an entire slab.

But there are more complicated issues that can be caused by changes in the environment or poor original workmanship. San Francisco foundation contractors are licensed to address these potentially hazardous problems as well. Certain events, including landslides and earthquakes, may call for more intensive remedies, such as house re-leveling, seismic retrofitting, shoring and hillside work on the property, or complete replacement of the failing foundation by pouring a new  foundation.

Heavy storms that are accompanied by excessive water runoff can cause serious damage, including foundational sinking or sliding and other serious compromises to the structural integrity of the foundation. San Francisco foundation contractors & foundation repair companies approach these situations by performing drainage improvement, waterproofing, or house raising.

Because so many foundation problems are the result of poorly compacted fill dirt, San Francisco foundation contractors undertaking house foundation repair must use a variety of methods to approach the real problems that lie beneath the building foundations. Often schooled in soil engineering, the best foundation contractors in the San Francisco CA area deal with problematic fill by installing pier and grade beams, soil nailing, soil anchoring, and new underpinning. They can densify and strengthen the foundation soils to hinder permeation and prevent future settling of the slabs of the foundation. Some of the specialization of foundation repair is directly related to methods of remediation and mastery of the equipment required.

Foundation contractors throughout San Francisco CA are trained to perform limited access drilling and pumping, stabilization, and perform the shoring work for new or existing homes and underground garages. When it comes to the longevity of your foundation, the best protection is usually through preventive maintenance. Before you find yourself in a dire situation, call San Francisco foundation contractors to enhance the moisture resistance and durability of your concrete foundation.

Foam Insulation for Foundations
For a warmer basement, your concrete foundation can be insulated by lining the outside of your foundation with rigid foam insulation panels.  To get the desired results, cover all of the foundation that's above ground level and exposed to the cold outside air. Also cover it down to 6 feet or more below ground level because that cold soil lying against your foundation also makes your basement cold, and the colder your local climate, the deeper below ground the frost depth extends to, from which your foundation needs to be insulated.

Some foundation insulation panels have drainage panels allowing water to pass quickly. When covering the exposed part of the foundation above ground level, use flashing at the top of the panels to prevent water from getting behind the panels.  It easiest for foundation contractors to install this foundation insulation at the time the foundation is already fully exposed, such as when it's first built, or been excavated for major repairs or renovations. But the annual energy savings or greater comfort may be worth having a foundation contractor excavate around your foundation simply to install the insulation panels.

Some Foundation Contractors in San Francisco Are Safer to Hire Than Others
The Prime Buyer's Report lists these foundation contractors in San Francisco: Bruce Construction, Mares & Dow Construction, Everlast Construction, Associated Builders, Birmingham Construction Group, Artcore Construction Inc, Bay Concrete Construction Co, Ken Kelton Construction, Lewis M Merlo Inc. Other foundation contractors in San Francisco CA that might still be in business include: .



Questions To Ask Foundation Contractors for Foundation Building & Repair 

When it comes to foundation repair, foundation pouring or foundation inspection by licensed foundation contractors in San Francisco CA, ask these questions about their abilities, experience, and credentials.

• How long have the foundation contractors been servicing San Francisco?

• How many other foundation projects have they done specifically in San Francisco, indicating how familiar or not they are with your local agencies, soil conditions, water table, and weather.

• Can the foundation companies give you customer names and numbers you can call as references? (All foundation  contractors bearing the Prime Buyer's Report — TOP 10 symbol have already had their customer references called by research staff at The Prime Buyer's Report so you don't have to.)

• Do the foundation companies have experience in the same kind of project as yours, such as foundation repair versus foundation jacking versus new foundations?

• How do they determine pricing?

•  Can the foundation contractor prove that all their employees sent to your property are legal to work in the U.S.? (All foundation companies bearing The Prime Buyer's Report — TOP 10 symbol have already signed an agreement to only hire documented workers.)

• Does the foundation contractor have active workers' compensation and liability insurance to protect you? (All foundation companies bearing the Prime Buyer's Report — TOP 10 symbol have already shown proof of insurance to research staff at The Prime Buyer's Report.)

• In preparation for a written bid for your evaluation, what process will they use to do a thorough assessment of the site, including soil conditions, local agencies, and more?

• Do they provide written warranties for their labor beyond the 1 year warranty mandated by the state of California?

• How will they handle cost overruns due to inadequate planning? Do they guarantee to absorb any such costs or will they expect you to?

• Does the foundation company give any kind of guarantee of completion by your deadline date?

• How well do they know their crews? Do they personally hire and train their crews, or do they bring them in from the outside on a project-by-project basis?

• How often and when do they clean up your job site?

• If the foundation project is residential, will you have access to your home during the project?

When you've chosen the best foundation company in San Francisco for your specific needs make sure they are licensed in good standing with the state license necessary to legally perform the work. (All foundation companies bearing the Prime Buyer's Report — TOP 10 symbol have already had their license verified by research staff at The Prime Buyer's Report.)



Resources About Foundations in San Francisco 

Associations & Licensing Regarding Foundations in San Francisco CA
AUCA American Underground Construction Association (
BBB Better Business Bureau (
CFA Concrete Foundation Association (
DCA California Department of Consumer Affairs (
DFI Deep Foundations Institute (
Diamond Certified
FRA Foundation Repair Association (
NAWSRC National Association of Waterproofing and Structural Repair Contractors (

Media & Web Resources
Builder Magazine
Buildings Magazine
Commercial Builder Magazine
Foundation Contractor Magazine
Jobsite Magazine
Professional Builder Magazine
Utility Contractor Magazine
Design Build Magazine

The Prime Buyer's Report provides information for the TOP 10 Foundation Contractors in San Francisco within the following zip codes:

94124, 94158, 94133, 94146, 94114, 94123, 94157, 94140, 94118, 94188, 94168, 94132, 94134, 94117, 94129, 94170, 94116, 94102, 94130, 94131, 94122, 94166, 94125, 94119, 94107, 94109, 94112, 94169, 94142, 94167, 94103, 94141, 94105, 94126, 94115, 94110, 94111, 94165, 94172, 94101, 94159, 94164, 94108, 94127, 94147, 94121, 94104 and 94120

The Prime Buyer's Report provides information for the TOP 10 Foundations in San Francisco within the following cities:

Pacific Heights, Bernal Heights, San Francisco, Fisherman's Wharf, Twin Peaks, Noe Valley, Telegraph Hill, Laurel Heights, Outer Sunset, Presidio, Marina District, Rincon Hill, Inner Sunset, Cow Hollow, Haight-Ashbury, Union Square, North Beach, Western Addition, Sunset District, Diamond Heights, The Presidio, Sea Cliff, Duboce Triangle, Treasure Island, Japantown, Eureka Valley, Russian Hill, Nob Hill, Mission District and Hayes Valley