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11 Best Foundation Companies in Islip, NY

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Written By Bradford Cuthrell

Last Updated June 2024

Repairing your foundation requires a substantial time and money investment. However, ignoring foundation problems can result in substantial and costly issues. If you live in an area (like Islip) that gets a good deal of rain, you could be at increased risk of issues such as water leaking into cracks in your foundation.

To help homeowners find trusted foundation services, we researched the best, highly-trusted foundation repair companies near you. Read on to see our recommendations for the best foundation repair companies in Islip, New York.

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Top Pick
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 Islip

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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2624 Hamilton Blvd. South Plainfield, NJ 07080 (732) 526-7770 groundworks.com

Transparent pricing

Free quotes

Good customer service

Punctual service

Services Offered

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

Blue Umbrella Waterproofing

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

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Helps educate customers

Transparent pricing

Good customer service

Punctual service

Services Offered

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

First Choice Waterproofing

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20 Cambridge Dr, Matawan, NJ 07747 (732) 430-2026 firstchoicewaterproofing.com

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Transparent pricing

Punctual service

Free quotes

Good customer service

Services Offered

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

City Suburb

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

Helps educate customers

Good customer service

Free quotes

Services Offered

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

United Waterproofing

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

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Transparent pricing

Punctual service

Helps educate customers

Good customer service

Services Offered

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

Quality Dry Basements

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

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Helps educate customers

Transparent pricing

Punctual service

Good customer service

Services Offered

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

Blue Planet Construction and Environmental Services

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120 Kings Hwy, Middletown Township, NJ 07748 (732) 284-7150 blueplanet.pro

Free quotes

Helps educate customers

Good customer service

Services Offered

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

Brick Tech Contracting Corp

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

Helps educate customers

Punctual service

Transparent pricing

Free quotes

Good customer service

Services Offered

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

Basement Waterproofing Solutions and Mold remediation

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

Helps educate customers

Punctual service

Transparent pricing

Free quotes

Good customer service

Services Offered

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

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

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

Healthy Way Waterproofing & Mold Remediation

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

Free quotes

Transparent pricing

Good customer service

Services Offered

Retaining walls
French drains
Sump pumps
Repair
Concrete
Inspection
Masonry
Crawl space encapsulation
Mold remediation
Waterproofing
Sealing
Grading and leveling
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 recommend focusing on these main factors.

Experience

We suggest choosing a local foundation repair provider with a proven reputation for fixing various foundation issues. These companies should have deep knowledge of the latest materials and techniques. Ask providers how long they've served your area.

Reputation

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

Licensing and Insurance

Make sure any company you hire has the right licenses, bonds, and insurance 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 be sure to check with your local government. You can verify the standing of a company's New York business license on this website. Contractors may have to meet additional requirements to do certain work with concrete.

Warranties

Look for a provider that offers lengthy transferable warranties for a minimum of a decade, 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

When examining potential foundation repair companies, make sure to ask in-depth questions such as:

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

Carefully assessing foundation repair companies helps homeowners identify the best fit for their needs. A company that can answer the above questions likely completes durable, long-lasting repairs. Addressing foundation problems swiftly lowers the risk of future structural damage.

Frequently Asked Questions About Foundation Repair in Islip, NY

There are a variety of signs that your foundation needs repairs. These can include:

  • Visible crumbling or cracking of your foundation
  • Uneven basement or ground-level floors
  • Bowing, buckling, or cracked walls
  • Window or door frames that are skewed or tight
  • Cracks in your basement floor
  • Cracks in your driveway

On average, Islip homeowners spend around $2,885 on foundation repair. The cost of foundation repair will vary greatly depending 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 play a part. The best way to find out how much a job is going to cost is to speak with a local foundation repair company 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 remedy leaks or cracks. The amount you spend will vary greatly depending on the size and cause of the issue.

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

If you're interested in waterproofing your foundation or basement, we recommend talking to a waterproofing specialist. This process may include indoor waterproofing, outdoor waterproofing, or both.

If you're building a new home, make sure that a soil report is completed. A soil report will contain information about how well the soil on a given piece of land can support a foundation, and can provide you with a heads-up about potential future issues. If you have concerns 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 give you advice on how to avoid future problems.

Also ensure that the moisture around your foundation is appropriate. As Islip 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 provider should acquire the needed permits. You can ask the company to provide a detailed explanation of the steps in its process and to see the permits and paperwork it has assembled to confirm everything is properly authorized per Islip regulations.

Foundation repairs can sometimes, foundation repairs can be considered capital improvements if they meet the criteria of an improvement that adds to your house's overall market value, prolongs its life, or adapts it to new uses. In some cases, making capital improvements lets you qualify for tax breaks. (Contact your New York tax professional for the most accurate information.) Even without these tax breaks, foundation repairs will, in most cases, positively affect your home's value.

We caution against putting off foundation repairs. A seemingly small issue may have an underlying cause that could potentially result in future problems, and it's best to treat the root of the issue as fast as possible. A minor problem now could become a large and expensive one in the future if left untreated.

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