11 Best Foundation Companies in Mount Sinai, NY

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Last Updated: February 25, 2025

Repairing your foundation can take a lot of time and money. However, ignoring foundation problems can lead to major and costly issues. Mount Sinai gets more rain than many places, which can increase the risk of water-related foundation damage.

To help, we've put together a guide to top foundation service providers in your area. Keep reading to find top-rated foundation repair companies in Mount Sinai, 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.
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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 Mount Sinai

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

Helps educate customers

Free quotes

Good customer service

Services Offered

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

City Suburb

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

Free quotes

Good customer service

Helps educate customers

Services Offered

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

Quality Dry Basements

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

Free quotes

Helps educate customers

Good customer service

Transparent pricing

Punctual service

Services Offered

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

United Waterproofing

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

Good customer service

Transparent pricing

Helps educate customers

Punctual service

Free quotes

Services Offered

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

Brick Tech Contracting Corp

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

Transparent pricing

Punctual service

Helps educate customers

Good customer service

Free quotes

Services Offered

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

Professional Home Remodeling Inc.

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

Free quotes

Transparent pricing

Services Offered

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

Vulcan Basement Waterproofing

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User Rating

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

Helps educate customers

Transparent pricing

Free quotes

Services Offered

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

Sundahl Waterproofing

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

Helps educate customers

Good customer service

Transparent pricing

Free quotes

Services Offered

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

Connecticut Basement Systems

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33 Progress Ave, Seymour, CT 06483 (800) 541-0487 connecticutbasementsystems.com

Transparent pricing

Good customer service

Free quotes

Helps educate customers

Services Offered

Waterproofing
Repair
French drains
Crawl space encapsulation
Sump pumps
Retaining walls
Inspection
Mold remediation

Excel Masonry Contractor

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User Rating

102-21 Astoria Blvd, Queens, NY 11369 (347) 331-7600 masonrycontractorny.com

Good customer service

Helps educate customers

Free quotes

Punctual service

Services Offered

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

Hi Tech Contracting & Restoration Corp

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Our Rating

User Rating

201 Bay 43rd St 2nd FL, Brooklyn, NY 11214 (718) 510-6000 htcrcorp.com

Transparent pricing

Punctual service

Good customer service

Helps educate customers

Free quotes

Services Offered

Sidewalks
Retaining walls
Waterproofing
Sealing
Masonry
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 company is important for properly evaluating the damage and making the right repairs. We suggest focusing on these main factors.

Experience

Look for a local foundation repair company with deep experience fixing all foundation types. It should have specialized knowledge of the latest repair methods and materials. Ask how long a company has served your area.

Reputation

Carefully reading online reviews, checking the Better Business Bureau, and asking for local references helps verify that a company consistently delivers top-notch workmanship and great service. Pay attention to any complaints about shoddy repairs or poor service.

Licensing and Insurance

Choose a provider that has valid licenses, bonds, and insurance policies for liability and workers' compensation. In New York, general contractors do not have state-level licensing requirements, 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. Contractors may have to meet additional requirements to do certain concrete work.

Warranties

Pick a company that offers warranties of 10+ years that you can transfer to a new owner if you sell and, if possible, lifetime guarantees to fully back its work. This displays confidence that the company's work is top-notch and provides protection if problems come up later.

Questions To Ask Foundation Repair Companies

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

  • 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 trying to bill you for unneeded work.
  • What guarantees do you offer? Reliable companies typically provide labor and materials warranties for at least 10 years.
  • What repairs would you recommend for this situation, and why? Your contractor may offer options such as carbon fiber, wall anchors, and steel piers. Asking allows you to compare suggested solutions between companies.
  • Can you provide a complete written cost estimate and project scope? Getting the details in writing helps protect you from unexpected costs.
  • What financing options do you have? Providers often offer payment plans for larger foundation repairs.
  • How long will repairs realistically take? Look for companies that provide reasonable estimates.

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

Frequently Asked Questions About Foundation Repair in Mount Sinai, 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
  • Door or window frames that are skewed or tight
  • Cracks in your basement floor
  • Cracks in your driveway

On average, Mount Sinai homeowners pay roughly $2,885 for foundation repair, although the cost will change based on several factors. The fastest way to get an estimate for the cost of your specific job is to solicit quotes from one or more local foundation repair companies. The amount you pay for a job will be determined by things like the size of your house and type of repair(s) needed.

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

Leak repair and crack repair involve a technician coming to your home, performing an inspection, and using various repair techniques to remedy leaks or cracks. The cost of these procedures can vary greatly depending on the size and root cause of the problem.

Stabilization helps to fix bowing walls by inserting carbon fiber or steel strips. The amount you spend will depend on the material chosen and how many strips are needed. The cost of underpinning also varies. This process, sometimes referred to as piering or leveling, involves leveling your foundation by underpinning it with concrete piers; the cost depends on how many piers are needed.

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

When constructing a new home, make sure that a soil report is completed. This report contains information regarding how well your soil can support a foundation, and can offer you a heads-up about potential future issues. If your concerns are about an existing home, a few hundred dollars will cover an inspection and report by a structural engineer. The engineer can alert 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 appropriate. As Mount Sinai 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. Also, be on the lookout for leaky gutters or pipes and repair them promptly.

Your foundation repair provider should acquire the needed permits. You can request that the company provide a detailed explanation of the steps in its process and to see the paperwork and permits it has assembled to ensure everything is properly authorized per Mount Sinai regulations.

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

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

Foundation repairs carried out by a reputable company should last a long time. Large repairs, like basement waterproofing, can be involved and expensive but are very helpful in lowering the risk of future issues.

Other Mount Sinai, NY Home Services

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