11 Best Foundation Companies in Lake Ronkonkoma, NY

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Last Updated: February 25, 2025

Foundation repair can be a time-consuming, lengthy process and expensive project. However, ignoring issues can lead to serious consequences and high costs later on. Living somewhere, like Lake Ronkonkoma, that gets a lot of rain can put your foundation more at risk, as water can accumulate and seep into the concrete.

To help homeowners find trusted foundation services, we researched the best, highly-trusted foundation repair companies near you. Continue reading to learn about our top picks for the best foundation repair companies in Lake Ronkonkoma, 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 Lake Ronkonkoma

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

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

Blue Umbrella Waterproofing

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

Helps educate customers

Transparent pricing

Free quotes

Punctual service

Good customer service

Services Offered

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

City Suburb

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

Good customer service

Free quotes

Helps educate customers

Services Offered

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

United Waterproofing

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

Transparent pricing

Punctual service

Helps educate customers

Free quotes

Good customer service

Services Offered

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

Quality Dry Basements

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

Transparent pricing

Punctual service

Good customer service

Helps educate customers

Free quotes

Services Offered

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

Blue Planet Construction and Environmental Services

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User Rating

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

Helps educate customers

Free quotes

Good customer service

Services Offered

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

Brick Tech Contracting Corp

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

Transparent pricing

Good customer service

Helps educate customers

Free quotes

Punctual service

Services Offered

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

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

Free quotes

Transparent pricing

Good customer service

Services Offered

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

Professional Home Remodeling Inc.

Professional Home Remodeling Inc. Logo

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User Rating

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

Transparent pricing

Free quotes

Services Offered

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

Vulcan Basement Waterproofing

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Our Rating

User Rating

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

Free quotes

Transparent pricing

Helps educate customers

Services Offered

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

Sundahl Waterproofing

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Our Rating

User Rating

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

Free quotes

Helps educate customers

Transparent pricing

Good customer service

Services Offered

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

Research thoroughly before starting your foundation repair project, so you can find the most qualified foundation repair provider. Here are the main factors to consider.

Experience

Choose a well-established local company with many years, ideally decades, of experience successfully completing all kinds of foundation repairs. These providers have specialized expertise with the latest methods and materials. Ask how long a company has been serving your area.

Reputation

Reading online reviews, checking the Better Business Bureau, and requesting local references helps confirm that a company consistently provides good workmanship and good service. Pay attention if you see numerous complaints about faulty 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 be sure to 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 work. This demonstrates faith that its services are top-quality and safeguards you if issues arise in the future.

Questions To Ask Foundation Repair Companies

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

  • What type of warranties do you offer? Reputable companies often offer warranties of minimum 10 years on materials and labor.
  • What repairs would you recommend for this situation, and why? Your contractor may consider options such as wall anchors, steel piers, and carbon fiber. Asking allows you to compare suggested solutions between companies.
  • Can you provide a complete written project scope and cost estimate? Asking for a quote in writing helps protect you from unexpected expenses.
  • What financing options do you have? Many providers offer payment plans for larger foundation projects.
  • How long will repairs realistically take to complete? Look for companies that provide reasonable estimates.
  • 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 unclear answers may be attempting to bill you for unnecessary work.

Taking time to carefully evaluate foundation repair contractors will help homeowners find the right company for their needs. A company that can thoroughly answer these questions is likely one that provides high-quality, long-lasting repairs. Promptly fixing foundation issues reduces the risk of further structural damage.

Frequently Asked Questions About Foundation Repair in Lake Ronkonkoma, NY

If your foundation is in need of repair, you may notice a number of symptoms. Outside, you might notice a crumbling or cracking foundation or cracks in your driveway. Your ground level or basement might 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 buckling, bowing, or cracking walls.

On average, Lake Ronkonkoma homeowners spend roughly $2,885 on foundation repair. The total cost of foundation repair will vary greatly depending on a number of factors. Things like the type of repair needed, the size of your home, and the extent of the damage will all play a part. The easiest way to determine how much a job could cost is to reach out to a local foundation repair expert 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 what they sound like: your foundation repair expert will perform an inspection and take necessary measures to remedy cracks or leaks. Costs will vary depending on the size and cause of the problem.

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

Lastly, waterproofing is an overarching term for a number of jobs that help prevent water from getting into your foundation or basement. This can involve interior waterproofing, exterior waterproofing, or both, and the price can vary widely. We recommend contacting a waterproofing specialist if you think your foundation needs waterproofing.

When caring for your foundation, you should make sure that it has the right amount of moisture. Lake Ronkonkoma sees more rain than many places, so be sure that your gutters and landscaping are arranged to prevent too much water from collecting near your foundation. Also be sure to promptly identify and repair any leaking pipes or gutters.

If you think there may be any problems with your foundation, you can contact a structural engineer for an evaluation. This will run you a few hundred dollars, but the engineer's consultation can net you a list of things to look out for as well as more ideas to help you further protect your foundation. Finally, if you're building a new home, be sure that you have a soil report done. This report provides information about how well the soil on your property can support a foundation and highlights any potential future problems.

Your foundation repair provider should be the one to get the permits. You can request that the company provide a detailed explanation of its process and to see the paperwork and permits it has assembled to ensure everything is properly authorized per Lake Ronkonkoma regulations.

Generally, yes, you'll be able to continue living in your home while foundation repair work is being completed. Talk to your foundation repair technician to know for sure.

We caution against putting off foundation repairs. Minor issues 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 small and moderately costly problem now could become a large and very expensive one in the future if left untreated.

Other Lake Ronkonkoma, NY Home Services

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