How to Find the Best Foundation Contractors in Marin County CAFoundation contractors in Marin County 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 Marin County and issues related to hiring them.
Updated February 18, 2017
|Boesel Design & Construction|
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(415) 456-4605, (415) 608-1489
136 Allyn Ave
San Anselmo, CA 94960
State Contractors License #499141 (B)
Areas Served: Bay Area & Marin incl. Fairfax CA, San Rafael CA, Mill Valley CA, Sausalito CA, ...
Services: foundation repairs, foundation inspection & reports, foundation lifting & jacking, ...
|Westward Builders, Inc.|
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PO Box 150208
San Rafael, CA 94915
State Contractor's License #327365 (A,B)
Areas Served: Marin County incl. Sausalito CA, San Rafael CA, Mill Valley CA, Novato CA, Kentfield,...
Services: foundation contractors for foundation repair, drainage, structural repairs for ...
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2410 Bates Avenue
Concord, CA 94520
State Contractor's License: #815096 (B,A,C10,C50)
Areas Served: Marin County incl. San Rafael CA, Sausalito CA, Novato CA, Kentfield, Greenbrae, ...
Services: engineering contractors for foundation repair, underpinning and re-leveling, ...
|W Isaak Construction Inc|
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PO Box 750
Penngrove, CA 94951
State Contractor's License #753653 (B)
Areas Served: North Bay including Marin County
Services: foundations, foundation repair
Key Brands: Kohler, Marvin (Marvin Windows & Doors), Rohl Fixtures
|Mares & Dow Construction|
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1155 Ellis St. Suite #4
San Francisco, CA 94109
State license #618118 (B,C-10)
Areas Served: Marin County incl. San Rafael CA, Mill Valley CA, Ross CA, Tiburon CA, San Anselmo CA
Services: new foundations, foundation repair, foundation builders
Key Brands: Andersen Windows & Doors, Bristolite Daylighting Systems, Jeld-Wen Windows & Doors, ...
Foundation contractors for new foundations or foundation repair in Marin County 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 Marin County 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 Marin County 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 Marin County 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 Marin County 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 Marin County 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 Marin County 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 Marin County CA Are Safer to Hire Than Others
The Prime Buyer's Report lists these foundation contractors in Marin County CA: Boesel Design & Construction, Westward Builders, Inc., AcuStruct, Inc., W Isaak Construction Inc, Mares & Dow Construction, Under Construction, Valentine Corp. Other foundation contractors in Marin County CA that might still be in business include: PAPCO Foundation Contractor, James W Josephs & Co, RWR Construction, Sunshine Construction. Didn't find what you wanted with the TOP 10 Foundation Contractors & Foundation Repair Companies in Marin County? Then click here to see additional companies in this category.
When it comes to foundation repair, foundation pouring or foundation inspection by licensed foundation contractors in Marin County CA, ask these questions about their abilities, experience, and credentials.
• How long have the foundation contractors been servicing Marin County?
• How many other foundation projects have they done specifically in Marin County, 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 Marin County 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.)
The following is a list of associations, agencies, and publications relevant to foundation contractors in Marin County CA:
Associations & Licensing Regarding Foundations in Marin County CA
AUCA American Underground Construction Association www.auca.org
BBB Better Business Bureau www.bbb.com
CFA Concrete Foundations Association www.cfawalls.com
DCA California Department of Consumer Affairs www.dca.ca.gov
DFI Deep Foundations Institute www.dfi.org
Diamond Certified www.diamondcertified.org
FRA Foundation Repair Association www.foundationrepair.org
NAWSRC National Association of Waterproofing and Structural Repair Contractors www.nawsrc.org
Pile Driving Contractors Association www.piledrivers.org
Media & Web Resources
Foundation Magazine www.foundationmag.com
Pile Driver Magazine www.piledrivers.org/publications/
The Prime Buyer's Report provides information for the TOP 10 Foundation Contractors in Marin County CA within the following zip codes:
94915, 94950, 94957, 94912, 94920, 94942, 94974, 94973, 94933, 94929, 94938, 94978, 94963, 94904, 94937, 94925, 94930, 94945, 94976, 94940, 94966, 94979, 94971, 94956, 94946, 94965, 94947, 94901, 94948, 94924, 94903, 94913, 94939, 94914, 94964, 94977, 94970, 94960, 94941 and 94949
The Prime Buyer's Report provides information for the TOP 10 Foundations in Marin County CA within the following cities:
Forest Knolls, Stinson Beach, Tamalpais Valley, San Geronimo, San Anselmo, Kent Woodlands, Muir Woods, Bolinas, San Marin, Greenbrae, Novato, Mission Rafael, Bel Marin Keys, Point Reyes Station, Belvedere, Santa Venetia, Mill Valley, San Quentin, Fairfax, Marin City, Ross, Strawberry Point, Marinwood, Dillon Beach, Larkspur, Corte Madera, Woodacre, Olema, Sausalito, Nicasio, Inverness, Kentfield, Almonte, Lucas Valley, Black Point, Belvedere Tiburon, Tamal, Dogtown, Tomales, Ignacio, Muir Beach, Tiburon, Lagunitas, Sleepy Hollow, Marshall, Terra Linda and San Rafael