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11 Best Foundation Companies in Central Islip, NY

More than 300 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Repairing your foundation requires a substantial time and money investment. However, ignoring foundation problems can lead to substantial and costly issues. Central Islip sees more rain than many places, which puts houses there at greater risk of water-related foundation damage.

Luckily for homeowners like you, we’ve put together a list of the best and most trusted foundation repair companies near you. Read on to see our top picks and find the best foundation repair companies in Central Islip, 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
4.7/5
  • 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 Central 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.

Blue Umbrella Waterproofing

Blue Umbrella Waterproofing Logo

Our Rating

User Rating

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

Free quotes

Transparent pricing

Punctual service

Helps educate customers

Good customer service

Services Offered

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

First Choice Waterproofing

First Choice Waterproofing Logo

Our Rating

User Rating

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

Helps educate customers

Transparent pricing

Free quotes

Punctual service

Good customer service

Services Offered

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

City Suburb

City Suburb Logo

Our Rating

User Rating

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

Good customer service

Free quotes

Helps educate customers

Services Offered

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

United Waterproofing

United Waterproofing Logo

Our Rating

User Rating

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

Punctual service

Good customer service

Transparent pricing

Helps educate customers

Free quotes

Services Offered

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

Quality Dry Basements

Quality Dry Basements Logo

Our Rating

User Rating

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

Helps educate customers

Punctual service

Free quotes

Good customer service

Transparent pricing

Services Offered

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

Blue Planet Construction and Environmental Services

Blue Planet Construction and Environmental Services Logo

Our Rating

User Rating

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

Good customer service

Helps educate customers

Free quotes

Services Offered

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

Brick Tech Contracting Corp

Brick Tech Contracting Corp Logo

Our Rating

User Rating

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

Helps educate customers

Good customer service

Transparent pricing

Punctual service

Free quotes

Services Offered

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

Basement Waterproofing Solutions and Mold remediation

Basement Waterproofing Solutions and Mold remediation Logo

Our Rating

User Rating

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

Transparent pricing

Free quotes

Good customer service

Punctual service

Helps educate customers

Services Offered

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

Professional Home Remodeling Inc.

Professional Home Remodeling Inc. Logo

Our Rating

User Rating

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

Free quotes

Transparent pricing

Services Offered

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

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

Transparent pricing

Good customer service

Free quotes

Services Offered

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

Vulcan Basement Waterproofing

Vulcan Basement Waterproofing Logo

Our Rating

User Rating

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

Transparent pricing

Helps educate customers

Free quotes

Services Offered

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

You need a good foundation repair company to accurately evaluate issues and make appropriate repairs. Do thorough research and focus on these factors when selecting the right company.

Experience

We recommend hiring a local foundation repair company with a well-established track record of fixing various foundation issues. These companies should have deep knowledge of the latest techniques and materials. Ask how many years a provider has served your area.

Reputation

Spend time reading through online reviews, browsing the Better Business Bureau, and requesting local references. This will help verify that the company consistently delivers good workmanship and professionalism. Take note of any complaints describing faulty repairs or poor service.

Licensing and Insurance

Choose a provider that has valid licenses, bonds, and insurance policies for liability and workers' compensation. There are no state-level licensing requirements for general contractors in New York, but there may be regulations at the city or county level, so be sure to 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 work with concrete.

Warranties

Choose a company that offers transferable warranties of at least 10 years, ideally up to lifetime guarantees, to fully back their foundation repairs. This demonstrates confidence in the quality of their work and offers protection in case of future issues.

Questions To Ask Foundation Repair Companies

When comparing potential foundation repair companies, be sure to ask detailed questions such as:

  • What options do you offer for financing? Many providers offer payment plans for larger foundation projects.
  • Can you provide a complete written cost estimate and project scope? Getting quotes in writing helps protect you from unexpected expenses.
  • What foundation flaws did you identify during inspection that may 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 extra work.
  • How long will repairs realistically take to complete? Look for companies that provide reasonable estimates.
  • What type of warranties are provided? Reputable companies often offer warranties of at least 10 years on materials and labor.
  • What exact repair method would you recommend for this specific situation and why? Your provider may consider options such as carbon fiber, wall anchors, and steel piers. Asking allows you to compare suggested solutions between companies.

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 long-lasting, durable repairs. Swiftly tackling foundation problems helps prevent further structural damage.

Frequently Asked Questions About Foundation Repair in Central Islip, NY

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

On average, Central Islip homeowners spend roughly $2,885 on foundation repair. The cost of foundation repair will vary greatly depending on several factors. Things like the extent of the damage, the type of repair needed, and the size of your home will all factor in. The easiest way to find out how much a job might cost is to contact 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, complete an inspection, and use various measures to remedy leaks or cracks. The cost of these procedures will vary greatly depending on the size and root cause of the problem.

Stabilization is the process of fixing bowing walls by inserting steel or carbon fiber strips. The cost will depend on the material chosen and the number of strips needed. 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 will depend on how many piers are needed.

If you're interested in waterproofing your foundation or basement, we suggest speaking with a waterproofing specialist. This process can include outdoor waterproofing, indoor waterproofing, or both.

If you're constructing a new house, 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 offer you a heads-up about any potential future problems. If you have concerns about an existing home, for a few hundred dollars, you can get an inspection and report by a structural engineer. The engineer can alert you to any issues that could use some attention, and advise you on how to avoid future problems.

You also want to make sure that the moisture around your foundation is at an appropriate level. As Central 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. Also, be on the lookout for leaky gutters or pipes, so you can get them repaired quickly.

Your foundation repair professional 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 verify that everything is properly authorized per Central Islip regulations.

While some foundation problems may seem small and not worth the cost to fix, when left untreated, they can result in much larger and more expensive problems down the road. Foundation problems may have underlying causes which are not clear until after a professional inspection. It's important to handle these underlying issues as soon as possible. For these reasons, we recommend you don't procrastinate on foundation repairs.

The length of time a foundation repair takes varies greatly based on the type of repair required and the size of your house. Most repairs will take anywhere from one to several weeks. Consult your Central Islip foundation repair expert for the specific timeline for your project.

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