11 Best Foundation Companies in Darien, CT

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Last Updated: February 25, 2025

Foundation repair can be a time-consuming, lengthy process and expensive project. However, neglecting repairs can lead to serious consequences and high costs down the line. Residing somewhere, like Darien, that gets a high amount of rain can put your foundation more at risk, as water can accumulate and seep into the concrete.

As a way to help homeowners like you find great foundation repair services, we researched and assembled a guide to well-reviewed and highly rated foundation repair companies serving your area. Read on for our recommendations and to learn about the best foundation repair companies in Darien, Connecticut.

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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 Darien

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

Groundworks Logo

Our Rating

User Rating

2624 Hamilton Blvd. South Plainfield, NJ 07080 (908) 543-7676 groundworks.com

Good customer service

Free quotes

Punctual service

Transparent pricing

Services Offered

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

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

Free quotes

Transparent pricing

Helps educate customers

Services Offered

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

First Choice Waterproofing

First Choice Waterproofing Logo

Our Rating

User Rating

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

Free quotes

Good customer service

Helps educate customers

Punctual service

Transparent pricing

Services Offered

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

City Suburb

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Our Rating

User Rating

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

Good customer service

Helps educate customers

Free quotes

Services Offered

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

United Waterproofing

United Waterproofing Logo

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

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

Quality Dry Basements

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Our Rating

User Rating

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

Punctual service

Good customer service

Helps educate customers

Transparent pricing

Free quotes

Services Offered

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

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

Free quotes

Good customer service

Helps educate customers

Services Offered

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

Brick Tech Contracting Corp

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Our Rating

User Rating

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

Free quotes

Punctual service

Helps educate customers

Transparent pricing

Good customer service

Services Offered

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

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

Helps educate customers

Punctual service

Good customer service

Free quotes

Services Offered

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

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

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

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

Good customer service

Transparent pricing

Free quotes

Services Offered

Mold remediation
Waterproofing
Inspection
Sump pumps
French drains
Crawl space encapsulation
Masonry
Grading and leveling
Sealing
Repair
Concrete
Retaining walls
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 contractor to accurately evaluate issues and make appropriate repairs. Do thorough research and focus on these important factors when looking for the right company.

Experience

Pick a local foundation repair provider with comprehensive experience fixing all kinds of foundation problems. It should have specialized knowledge of the latest repair methods and materials. Ask how long a company has served your area.

Reputation

Spend time checking online reviews, browsing the Better Business Bureau, and asking for local references. This will help confirm that a provider consistently delivers good workmanship and great customer service. Take note of any complaints describing faulty repairs or poor service.

Licensing and Insurance

Make sure any company you hire has the appropriate credentials, bonds, and coverage for liability and workers' compensation. You typically want to look for a general contractor license. In Connecticut, this may be called a Home Improvement Contractor license. These licenses are controlled by the Department of Consumer Protection. There may be additional requirements for contractors to do certain work with concrete.

Warranties

Opt for a provider offering long transferable warranties of at least 10 years, ideally lifetime guarantees, to completely back its foundation repair work. This exhibits confidence that the repairs will be effective and offers protection should problems develop later.

Questions To Ask Foundation Repair Companies

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

  • What repairs would you recommend for my situation, and why? Your contractor may consider options such as steel piers, carbon fiber, and wall anchors. Asking allows you to compare suggested solutions between companies.
  • Can you provide a complete written project scope and cost estimate? Getting the details in writing helps protect you from unexpected costs.
  • What type of warranties are provided? Trustworthy providers often offer warranties of at least 10 years on materials and labor.
  • What options do you offer for financing? 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 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 attempting to bill you for extra work.

Carefully assessing foundation repair companies helps homeowners locate the best fit for their needs. A company that can answer the above questions likely performs long-lasting, quality repairs. Addressing foundation problems quickly reduces the risk of future structural damage.

Frequently Asked Questions About Foundation Repair in Darien, CT

If your foundation is in need of repair, you may notice a number of symptoms. Outside, 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 that the frames are skewed. You could also notice buckling, bowing, or cracking walls.

On average, Darien homeowners pay roughly $2,636 for foundation repair, although the actual cost will vary widely depending on several factors. The easiest way to get an estimate for the cost of your specific job is to ask for quotes from a handful of local foundation repair companies. The total price will be affected 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 amount you spend will vary greatly depending on the size and cause of the issue.

Stabilization is the process of fixing bowing walls by inserting steel or carbon fiber strips. The cost will depend on the material used and how many strips are required. The cost of underpinning also varies. This process, sometimes referred to as leveling or piering, involves underpinning your foundation with concrete piers to level it; the cost will be based on how many piers are used.

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, have a soil report completed. This report contains 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 problems. If you have concerns about an existing house, for a few hundred dollars, you can get an inspection and report by a structural engineer. The engineer can point you to any things that need attention, and give you advice on avoiding future problems.

Also ensure that the moisture around your foundation is appropriate. As Darien 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.

Permits are needed for most foundation repairs, but getting one isn't your responsibility. Your foundation repair professional should get all the permits and other documents required in Darien, and should be able to explain the process and/or provide the documents if asked.

In general, foundation repairs will positively affect your home's value. In some cases, you may be able to consider foundation repair a capital improvement, which might qualify you for tax breaks. Generally, a capital improvement is defined as one that adds to your house's overall value, prolongs its life, or adapts it to new uses. Contact your Connecticut tax professional for more information.

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

Other Darien, CT Home Services

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