11 Best Foundation Companies in Mahopac, NY

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Last Updated: February 25, 2025

Repairing your foundation can take a substantial time and money investment. However, ignoring foundation problems can lead to substantial and costly issues. Residing in a place, like Mahopac, that receives a high amount of rain can put your foundation more at risk, as water can accumulate and seep into the concrete.

To help, we've put together a list of top foundation service providers in your area. Keep reading to find the best foundation repair companies in Mahopac, New York.

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.
Top Pick
4.9/5
  • Full-service foundation repair company
  • Expert technicians with strong customer reviews
  • Available in 33 states
Best Warranty Options
4.7/5
  • 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 Mahopac

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Groundworks

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User Rating

101 Powdered Metal Dr, North Haven, CT 06473, USA (203) 347-2202 groundworks.com

Helps educate customers

Good customer service

Free quotes

Services Offered

Inspection
Crawl space encapsulation
Repair
Waterproofing
Grading and leveling
Sidewalks
Driveways
Retaining walls
Mold remediation
Sump pumps
Concrete

Blue Umbrella Waterproofing

Blue Umbrella Waterproofing Logo

Our Rating

User Rating

541 Oakwood Ave, Roselle Park, NJ 07204 (908) 574-1140 blueumbrellawaterproofing.com

Punctual service

Good customer service

Helps educate customers

Transparent pricing

Free quotes

Services Offered

Repair
Crawl space encapsulation
Waterproofing
Driveways
Concrete
French drains
Retaining walls
Grading and leveling
Sump pumps
Mold remediation
Inspection
Sealing

City Suburb

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9708 101st Ave, Queens, NY 11416 (718) 849-8999 citysuburbinc.com

Free quotes

Helps educate customers

Good customer service

Services Offered

Crawl space encapsulation
Grading and leveling
Sidewalks
Mold remediation
Retaining walls
Driveways
Concrete
Repair
Sump pumps
Waterproofing
Masonry

United Waterproofing

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Our Rating

User Rating

18 Highview Rd, Ridgefield, CT 06877 (203) 501-5053 unitedwaterproofing.com

Helps educate customers

Good customer service

Transparent pricing

Punctual service

Free quotes

Services Offered

Repair
French drains
Sump pumps
Crawl space encapsulation
Waterproofing
Grading and leveling
Concrete
Retaining walls
Inspection
Mold remediation

Quality Dry Basements

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Our Rating

User Rating

18 Cannon Dr, Newtown, CT 06470 (203) 529-3737 qualitydrybasements.com

Helps educate customers

Punctual service

Good customer service

Transparent pricing

Free quotes

Services Offered

Grading and leveling
Repair
Waterproofing
Mold remediation
Sealing
Inspection
Crawl space encapsulation
Sump pumps
Retaining walls

Brick Tech Contracting Corp

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Our Rating

User Rating

2855 Cropsey Ave, Brooklyn, NY 11214 (718) 200-0699 bricktechnyc.com

Punctual service

Helps educate customers

Good customer service

Free quotes

Transparent pricing

Services Offered

Sidewalks
Retaining walls
Mold remediation
Waterproofing
Inspection
Masonry
Driveways
Sealing
Concrete
Repair

Basement Waterproofing Solutions and Mold remediation

Basement Waterproofing Solutions and Mold remediation Logo

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User Rating

71 Ionia Ave, Staten Island, NY 10312 (718) 761-3698 basementwps.com

Free quotes

Transparent pricing

Helps educate customers

Punctual service

Good customer service

Services Offered

Inspection
French drains
Retaining walls
Crawl space encapsulation
Sump pumps
Sealing
Grading and leveling
Mold remediation
Repair
Waterproofing
Concrete

Professional Home Remodeling Inc.

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Our Rating

User Rating

1184 Hempstead Turnpike, Franklin Square, NY 11010 (718) 316-9221 phr-ny.com

Free quotes

Transparent pricing

Services Offered

Sealing
Retaining walls
Sidewalks
Sump pumps
Repair
Waterproofing
Crawl space encapsulation
Mold remediation
Masonry
Concrete
Driveways
Grading and leveling

Healthy Way Waterproofing & Mold Remediation

Healthy Way Waterproofing & Mold Remediation Logo

Our Rating

User Rating

181 New Rd, Parsippany-Troy Hills, NJ 07054 (862) 205-2566 healthywaynj.com

Free quotes

Good customer service

Transparent pricing

Services Offered

Crawl space encapsulation
Concrete
Grading and leveling
Repair
Masonry
Waterproofing
Mold remediation
Sealing
Retaining walls
French drains
Inspection
Sump pumps

Vulcan Basement Waterproofing

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Our Rating

User Rating

8 Oak St, Clifton, NJ 07014 (800) 542-7234 vulcanwaterproofing.com

Helps educate customers

Free quotes

Transparent pricing

Services Offered

Sump pumps
Retaining walls
French drains
Crawl space encapsulation
Repair
Mold remediation
Waterproofing
Sealing
Concrete
Grading and leveling
Masonry

Sundahl Waterproofing

Sundahl Waterproofing Logo

Our Rating

User Rating

1 Madison Ave, Larchmont, NY 10538 (914) 834-9212 sundahlwaterproofing.com

Transparent pricing

Helps educate customers

Free quotes

Good customer service

Services Offered

Mold remediation
Crawl space encapsulation
Retaining walls
Concrete
Sealing
Waterproofing
Repair
Inspection
Sump pumps
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

You need a good foundation repair company to properly assess issues and make appropriate repairs. Do your research and focus on these important factors when selecting the right company.

Experience

Look for a reputable local foundation provider with many years of successfully fixing all foundation types. Technicians should have up-to-date knowledge of current repair methods and materials. Contact the company to ask how long the business has served your community.

Reputation

Carefully reading online reviews, checking the Better Business Bureau, and asking for local references helps confirm that a provider consistently delivers high-quality work and great service. Pay attention to any complaints about shoddy repairs or poor service.

Licensing and Insurance

Only hire providers that are properly licensed, bonded, and have both workers compensation and liability insurance. New York does not have state-level licensing requirements for general contractors, but there may be city or county regulations, so make sure that you check with your local government. You can confirm that a company holds a valid New York business license on this website. There may be additional requirements for contractors to do certain work with concrete.

Warranties

Look for a provider that offers transferable coverage for a minimum of 10 years, or preferably lifetime guarantees, to back its repair work. This demonstrates that the company stands behind its work and safeguards you if issues arise in the future.

Questions To Ask Foundation Repair Companies

As part of your research into foundation repair providers, get detailed answers to questions such as:

  • What exact repair method would you recommend for this specific situation and why? Your provider may consider options such as wall anchors, carbon fiber, and steel piers. By asking, you can get an idea of what solutions a company offers and compare between providers.
  • Realistically, how long will repairs take? Look for companies that provide reasonable estimates.
  • What financing options do you offer? Many providers offer payment plans for larger foundation projects.
  • What do you see as the likely cause of my issues based on your inspection? Look for clear explanations and solutions in the answer. Companies that provide vague answers may be trying to bill you for unnecessary work.
  • What type of warranties are provided? Reputable companies typically offer warranties of at least 10 years on materials and labor.
  • Can you provide a complete written project scope and cost estimate? Getting quotes in writing helps protect you from unexpected expenses.

Carefully evaluating foundation repair companies helps homeowners find the ideal match for their needs. A provider that can answer the questions above is likely one that provides long-lasting, durable repairs. Promptly fixing foundation problems helps avoid further structural damage.

Frequently Asked Questions About Foundation Repair in Mahopac, NY

There are several signs that your foundation is in need of repair. These can include:

  • Visible crumbling or cracks in your foundation
  • Uneven ground-level or basement floors
  • Cracked, buckling, or bowing walls
  • Window frames or door frames that are skewed or tight
  • Cracks in your basement floor
  • Cracks in your driveway

On average, Mahopac homeowners spend around $3,465 on foundation repair. The cost of foundation repair is based on a number of factors. Things like the extent of the damage, the size of your home, and the type of repair needed will all help determine the cost. The fastest way to determine how much a job could cost is to talk to a local foundation repair company and schedule a free inspection and estimate.

The primary types of foundation repair are crack repair, leak repair, underpinning, stabilization, and waterproofing.

Crack repair and leak repair are exactly as they sound: your foundation contractor will perform an inspection and complete any repairs necessary to remedy cracks or leaks. Costs will depend on the size and cause of the issue.

Underpinning, also called piering or leveling, is when a contractor levels your foundation by underpinning it with large concrete piers. The price will be based on how many piers are used. The price of stabilization is also variable. This process fixes bowing walls by reinforcing them with steel or carbon fiber strips. The cost will depend on what material is used and how many strips are used.

Finally, waterproofing is an overarching term for a category of repairs designed to stop water from getting into your foundation or basement. This can include exterior waterproofing, interior waterproofing, or both, and costs can vary widely. We recommend contacting a waterproofing specialist if you're interested in waterproofing your foundation.

When building a new home, have a soil report completed. A soil report will contain information regarding how well your soil can support a foundation, and can give you a heads-up about any potential future problems. If your concerns are about an existing home, a few hundred dollars will cover an inspection and report by a structural engineer. They can alert you to any issues that need attention, and give you advice on how to avoid future problems.

Also ensure that the moisture around your foundation is at an appropriate level. As Mahopac sees more rain than many other places, keep an eye on your gutters and landscaping to make sure too much water isn't getting into your soil or foundation. You should also stay vigilant for leaky pipes or gutters and repair them quickly.

Your foundation repair expert should be the one to get the permits. You can ask the company to provide a detailed explanation of its process and to see the paperwork and permits it has assembled to make sure everything is properly authorized per Mahopac regulations.

Indicators that you need foundation waterproofing include hairline cracks, discoloration or odors, basement flooding, uneven floors, white powder or spots on your walls, or signs of mold, fungus, or mildew. Your contractor can inform you whether you need interior or exterior waterproofing.

Interior waterproofing can involve the installation of sump pumps and drains or the use of sealants and is generally less expensive than exterior waterproofing. Exterior waterproofing can involve things like applying physical barriers to basements and crawl spaces, installing exterior drains, or making changes to your landscaping.

Most of the time, yes, you can continue living in your home while foundation repair work is going on. You can ask your foundation repair technician to know for sure.

Other Mahopac, NY Home Services

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