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11 Best Foundation Companies in Ontario, CA

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Written By Bradford Cuthrell

Last Updated June 2024

Repairing your foundation can take a lot of time and money. However, neglecting foundation repairs can lead to significant and costly issues. If your house is somewhere – like Ontario, where it can get hot – the heat could drain the moisture from your soil and foundation, increasing the risk of shifting or damage.

To help homeowners find trusted foundation services, we researched the most dependable foundation repair companies near you. Keep reading to explore our top recommendations for the best foundation repair companies in Ontario, California.

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  • Offers free in-person and virtual evaluations
  • 87+ years of industry experience
  • All repairs backed by a lifetime transferable warranty

Top 11 Best Foundation Companies in Ontario

Upland Concrete Company

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100 N Laurel Ave #426, Upland, CA 91786 (909) 417-7918 concreteupland.com

Free quotes

Transparent pricing

Helps educate customers

Good customer service

Services Offered

Sealing
Waterproofing
Concrete
Masonry
Driveways
Repair
Retaining walls
Grading and leveling

All American Traditions Foundation Repair, Inc.

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1042 N Mountain Ave B-180, Upland, CA 91786 (909) 957-9192 foundationrepairshop.com

Free quotes

Good customer service

Helps educate customers

Transparent pricing

Services Offered

Retaining walls
Crawl space encapsulation
Repair
Concrete
Inspection

DG Construction

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21631 Golden Poppy Ct, Walnut, CA 91789 (840) 201-7395 mydgconstruction.com

Punctual service

Transparent pricing

Helps educate customers

Good customer service

Services Offered

Sidewalks
Repair
Driveways
Concrete

Alpha Structural, Inc.

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23031 E La Palma Ave, Yorba Linda, CA 92887 (714) 410-5611 alphastructural.com

Punctual service

Helps educate customers

Good customer service

Transparent pricing

Services Offered

Masonry
Inspection
Repair
Concrete
Retaining walls
Waterproofing
Crawl space encapsulation
Sealing
Grading and leveling

Geobear Foundation Repair

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22603 La Palma Ave Suite 302, Yorba Linda, CA 92887 (877) 436-2327 geobear.us

Punctual service

Free quotes

Good customer service

Transparent pricing

Helps educate customers

Services Offered

Repair
Grading and leveling
Retaining walls
Concrete
Masonry

Cal Star Mobile Home Construction

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1820 Railroad St, Corona, CA 92878 (951) 525-1598 calstarmobile.com

Free quotes

Good customer service

Punctual service

Transparent pricing

Services Offered

Repair
Grading and leveling

West Coast Concrete Services

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21520 Yorba Linda Blvd # 416, Yorba Linda, CA 92887 (714) 532-0816 west-coastconcrete.com

Transparent pricing

Helps educate customers

Punctual service

Free quotes

Good customer service

Services Offered

Concrete
Driveways
Inspection
Grading and leveling
Retaining walls
Masonry
Repair
Sidewalks

Keller

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1101 California Ave, Corona, CA 92881 (951) 258-9422 keller-na.com

Transparent pricing

Good customer service

Free quotes

Services Offered

Sealing
Driveways
Concrete
Repair
Retaining walls
Grading and leveling

Riverside Concrete Co.

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2821 Main St, Riverside, CA 92501 (951) 355-7619 riverside-concrete.com

Free quotes

Good customer service

Helps educate customers

Transparent pricing

Services Offered

Concrete
Driveways
Retaining walls
Repair
Sidewalks
Grading and leveling

RCCI dba Ramirez Company

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778 N, 778 Georgia Ave, Azusa, CA 91702 (626) 969-7530 rccico.com

Helps educate customers

Transparent pricing

Free quotes

Services Offered

Repair
Concrete

Tuff Kote Systems

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2969 E Coronado St, Anaheim, CA 92806 (714) 522-7341 tuffkote.com

Transparent pricing

Good customer service

Services Offered

Grading and leveling
Driveways
Sidewalks
Waterproofing
Concrete
Repair
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on foundation companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How To Choose a Foundation Repair Company

Working with a qualified foundation repair business is important for properly evaluating the damage and making the right repairs. We recommend focusing on these key factors.

Experience

Look for a reliable local foundation provider with a proven history of successfully fixing all foundation types. Technicians should have expert-level understanding of current repair materials and methods. Contact the company to ask how long the business has served your community.

Reputation

Looking through online reviews, checking the Better Business Bureau, and asking for local references helps verify that a company consistently provides quality work and great customer service. Pay attention if you see multiple complaints about poor service or faulty repairs.

Licensing and Insurance

Make sure any company you hire has the appropriate credentials, bonds, and insurance for liability and workers' compensation. General contractors in California are required to be licensed by the Contractors State License Board before working on projects valued over $500. To be eligible for a license, an individual needs to have at least four years of related work experience in the last ten years (or be represented by someone who does), must pass both a business and law and a trade exam, and must be bonded. Individuals or businesses that have employees must also have workers' compensation insurance. Contractors may have to meet additional requirements to do certain concrete work.

Warranties

Opt for a provider offering transferable coverage for 10+ years, ideally lifetime guarantees, to completely back its repair work. This exhibits belief in the quality and durability of the repairs and offers protection should problems develop later.

Questions To Ask Foundation Repair Companies

To compare foundation repair companies, you should ask specific questions such as:

  • What type of guarantees are provided? Reputable companies will offer warranties of at least 10 years on labor and materials.
  • What options do you offer for financing? Providers often offer payment plans for larger foundation repairs.
  • Realistically, how long will repairs take? Look for providers that provide reasonable estimates.
  • What foundation defects did you identify during inspection that could be causing the issue? The response should have easy-to-understand explanations and solutions. If a provider offers a vague answer, it may be attempting to bill you for unneeded work.
  • Can you provide a project scope and cost estimate in writing? Make sure to get quotes in writing to protect yourself from unexpected expenses.
  • What repair method do you recommend for my specific situation and why? Your provider may offer options such as steel piers, carbon fiber, and wall anchors. Asking allows you to compare suggested solutions between companies.

Thoroughly assessing foundation repair companies helps homeowners identify the ideal match for their needs. A provider that can answer the questions above is likely one that offers high-quality, long-lasting repairs. Swiftly tackling foundation problems helps avoid further structural damage.

Frequently Asked Questions About Foundation Repair in Ontario, CA

If your foundation needs repairs, it may manifest in a number of ways. Outside your home, you might notice a crumbling or cracking foundation or a cracked driveway. Your ground level may have cracked or uneven floors. You may notice doors or windows that are sticking in their frames, or that the frames are skewed. You might also notice bowing, cracking, or buckling walls.

On average, Ontario homeowners spend roughly $2,811 on foundation repair. The cost of foundation repair depends on a number of factors. Things like the size of your home, the extent of the damage, and the type of repair needed will all factor in. The best way to find out how much a job could cost is to speak with a local foundation repair expert and schedule a free inspection and estimate.

Types of foundation repair include leak repair, crack repair, stabilization, underpinning, and waterproofing.

For both leak repair and crack repair, a technician will come to your home, perform an inspection, and use various measures to fix leaks or cracks. The cost of these procedures will vary greatly depending on the size and root cause of the issue.

Stabilization reinforces bowing walls by inserting steel or carbon fiber strips. The cost will depend on the material chosen and the number of strips required. The cost of underpinning also varies. This process, also called piering or leveling, involves leveling your foundation by underpinning it with concrete piers; the cost depends on how many piers are used.

If you're looking to waterproof your foundation or basement, we suggest speaking with a waterproofing specialist. This process might include indoor waterproofing, outdoor waterproofing, or both.

When constructing a new house, have a soil report completed. A soil report will contain information regarding how well your soil can support a foundation, and can offer you a heads-up about potential future problems. If your concerns are about an existing house, for a few hundred dollars, you can get an inspection and report by a structural engineer. They can point you to any things that could use some attention, and advise you on how to avoid future problems.

It's also important that the moisture around your foundation is at an appropriate level, particularly when the weather gets hot. The weather in Ontario tends to be very dry, which means that at times you may need to water your soil and foundation. You should also stay vigilant for leaky pipes or gutters, so you can get them repaired promptly.

Permits are needed for most foundation repairs, but obtaining one won't be your responsibility. Your foundation repair professional should put together the permit and all other documents required in Ontario, and should be able to explain the process and/or provide the documents if asked.

Typically, yes, you'll be able to continue living in your home while foundation repair professionals are working. Talk to your foundation repair technician to be certain.

Generally, foundation repair takes from one to several weeks. The range is wide because the amount of time required will vary greatly depending on factors like the type of repair required and the size of your home. You should confer with your Ontario foundation repair professional for a more accurate timeline for your specific project.

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