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 July 11, 2016

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

Bruce Construction
Send an email to this Company
(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
Send an email to this Company
(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, ...

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.


Foundation Contractors in San Francisco CA 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. The best foundation contractors in San Francisco can remedy those 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. Foundation contractors approach these situations by performing drainage improvement, waterproofing, or house raising.

Because so many foundation problems are the result of poorly compacted fill dirt, 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 San Francisco 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.

Good foundation contractors in San Francisco are able to do 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, have an experienced foundation contractor improve 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 CA Are Safer to Hire Than Others
The Prime Buyer's Report lists these foundation contractors in San Francisco CA: Bruce Construction, Mares & Dow 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 our research staff 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 had proof of insurance verified by our research staff so you don't have to.)

• 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 CA 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 our research staff so you don't have to.)



Resources About Foundations in San Francisco CA 

The following is a list of associations, agencies, and publications relevant to foundation contractors in San Francisco CA:


Associations & Licensing Regarding Foundations in San Francisco CA
AUCA American Underground Construction Association
BBB Better Business Bureau
CFA Concrete Foundations 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
Pile Driving Contractors Association

Media & Web Resources

Foundation Magazine
Pile Driver Magazine

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

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

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

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