Get matched with the best Basement Waterproofing pros in Valley Stream, NY

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Rivertown General Contracting, LLC

★ ★ ★ ★ ★ 4.7 (14 reviews)
Irvington, NY 10533
11 projects

Rivertown General Contracting, LLC, led by Jerry Carrafiello, prioritizes building lasting relationships alongside quality craftsmanship. With extensive experience in Westchester and Fairfield Countie...

Gee Bee And Sons LLC

★ ★ ★ ★ ★ 4.7 (13 reviews)
Garden City, NY
4 projects

Gee Bee and Sons LLC is a comprehensive NYC construction firm specializing in the renovation, restoration, and rehabilitation of residential, commercial, industrial, and institutional buildings. With...

Jfcorp

★ ★ ★ ★ ★ 4.7 (13 reviews)
West Babylon, NY 11704
1 project

JF Corp is a licensed and insured general contractor serving Long Island, NY, for over 25 years. We specialize in high-quality residential and commercial construction, including renovations, roofing,...

Done Right Renovations LLC.

★ ★ ★ ★ ★ 4.7 (12 reviews)
Queens, NY 11419
11 projects

Done Right Renovations LLC has been delivering quality construction, remodeling, and maintenance services since 2020. Our expertise in design ensures comfortable, durable, and aesthetically pleasing i...

Royale Renovations

★ ★ ★ ★ ★ 4.6 (12 reviews)
Bronx, NY 10452
10 projects

Royale Renovations is dedicated to delivering excellence in every project. With over a decade of experience, we offer professional expertise and personalized service. We uphold the highest industry st...

ANT Contracting Inc.

★ ★ ★ ★ ★ 4.6 (11 reviews)
Brooklyn, NY 11237
11 projects

ANT Contracting Inc., led by Tamas Tiszold, specializes in residential renovations and high-quality custom millwork. Known for European craftsmanship, we provide personalized attention to every client...

Cascella & Sons Construction Corp.

★ ★ ★ ★ ★ 4.7 (10 reviews)
Central Islip, NY 11722
25 projects

Cascella & Sons Construction Corp. brings over 30 years of industry expertise, making us the premier choice for your next project. We deliver high-quality remodels from concept to completion, collabor...

Aesthetic Renovations

★ ★ ★ ★ ★ 4.7 (10 reviews)
Bedford, NY 10506
15 projects

Aesthetic Renovations offers premier general contracting services for home repair, restoration, and remodeling in Westchester County, NY, and Southern Connecticut. Since 2002, we have delivered except...

Verified Reviews for Basement Waterproofing pros in Valley Stream, NY

*The Growcycle rating for Basement Waterproofing companies in Valley Stream, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

Last update on July 14, 2026

Sara Johnson

Reviewed in December 2025

I had a great experience with this service. They completed my basement remodel on time and within budget. Very pleased with the craftsmanship!

Rivertown General Contracting, LLC - Basement Waterproofing in Valley Stream, NY Rivertown General Contracting, LLC Request a quote

Sarah Mitchell

Reviewed in June 2025

The team handled our bathroom update efficiently and effectively. Everything came together beautifully, and they were great at communicating throughout the process.

ET General Construction Inc. - Basement Waterproofing in Valley Stream, NY ET General Construction Inc. Request a quote

Christina Vargas

Reviewed in July 2025

I had a fantastic experience with their team. They transformed my backyard into an outdoor paradise. Highly recommend their services!

Stone Creations of Long Island Pavers & Masonry - Basement Waterproofing in Valley Stream, NY Stone Creations of Long Island Pavers & Masonry Request a quote

Sarah Williams

Reviewed in November 2025

Kh Property Management has been a lifesaver! They manage my properties perfectly and make my life so much easier. Truly a great team to work with!

KH Property Management - Basement Waterproofing in Valley Stream, NY KH Property Management Request a quote

Emily Davis

Reviewed in January 2026

The team I worked with was exceptional. They listened to my ideas and provided great suggestions. The project turned out beautifully, and I highly recommend their services.

Cascella & Sons Construction Corp. - Basement Waterproofing in Valley Stream, NY Cascella & Sons Construction Corp. Request a quote
Cost Guide

How much does Basement Waterproofing cost in Valley Stream, NY?

Typical basement waterproofing projects in Valley Stream, NY range from $1,500 to $5,000, with most homeowners paying around $3,000.

$1,500
$3,000 Typical cost in Valley Stream, NY
$5,000
LOWHIGH

Prices vary by project scope, materials, and local labor rates.

Per Linear Foot $10–$20
Per Square Foot $5–$15
Per Project $1,500–$5,000

Last updated: April 2026

Basement waterproofing services in Valley Stream typically cost between $1,500 and $5,000, with an average price of around $3,000. The cost varies based on the size of the basement, the extent of the waterproofing needed, and the methods used. More complicated cases, such as those involving drainage systems or extensive repairs, can lead to higher costs.

Local waterproofing contractors in Valley Stream charge between $75 and $150 per hour for labor. Most waterproofing projects require permits from the Valley Stream Building Department, which can add to project costs. Be sure to account for these fees in your overall budget, as they can vary based on project scope.

When comparing basement waterproofing quotes in Valley Stream, focus on the specific methods and materials proposed, as these can significantly impact the effectiveness and longevity of the job.

What affects the cost in Valley Stream, NY?

Valley Stream Labor Rates

Licensed basement waterproofing contractors in Valley Stream typically charge $75–$150/hr, with most projects requiring 10-30 hours of labor. This means labor costs can make up a significant portion of your overall project expense.

Permits & Inspections

Most basement waterproofing work in Valley Stream requires permits from the Valley Stream Building Department. Permit fees can vary widely depending on the scope of work, so it’s essential to check with the department before starting your project.

Material Selection & Quality

The choice of waterproofing materials can impact project costs significantly, with some options being 10-30% more expensive than alternatives. High-quality materials can provide better long-term protection and reduce the likelihood of future issues.

Seasonal Demand & Scheduling

Basement waterproofing is often more in demand during the spring and fall in Valley Stream due to seasonal rains. Scheduling your work during the off-peak months may provide better pricing and availability.

Frequently Asked Questions About Basement Waterproofing in Valley Stream, NY

While some homeowners in Valley Stream may consider DIY basement waterproofing, it’s generally recommended to hire a professional for effective and long-lasting results. Waterproofing involves technical expertise and knowledge of building codes, which can be challenging for the average homeowner. Professionals have access to specialized tools and materials that ensure proper installation and effectiveness. Additionally, they can accurately assess the unique conditions of your basement and recommend the most suitable solutions. DIY attempts may lead to inadequate waterproofing, resulting in wasted time and money. For peace of mind and optimal protection, investing in professional waterproofing services is the best approach.

Basement waterproofing involves various techniques designed to prevent water from entering your basement and causing damage. In Valley Stream, professionals typically start with a thorough inspection to identify potential water entry points. Common methods include installing interior drainage systems that redirect water to a sump pump, applying waterproof coatings to walls, and ensuring proper grading around the home's foundation. Exterior solutions may involve excavating around the foundation and installing a perimeter drainage system. Additionally, addressing any cracks in the foundation is crucial for effective waterproofing. Each method is tailored to the specific needs of your home, ensuring lasting protection against moisture.

The cost of basement waterproofing in Valley Stream can vary significantly based on the extent of the work required and the methods employed. On average, homeowners may spend anywhere from $1,000 to $10,000, depending on factors such as the size of the basement and the complexity of the waterproofing solutions needed. Interior waterproofing methods, like installing a sump pump or drainage system, can be more affordable than exterior solutions, which may involve excavation. It’s essential to obtain quotes from multiple professionals and discuss your specific needs to get an accurate estimate. While the initial investment may seem significant, the long-term protection and potential increase in home value make it worthwhile.

Basement waterproofing offers numerous benefits for homeowners in Valley Stream. The primary advantage is preventing water damage, which can lead to mold growth and structural issues. A waterproofed basement can improve your home’s air quality, reducing allergens and enhancing overall comfort. Furthermore, waterproofing can increase your property's value and usable space, allowing you to transform your basement into a functional area, such as a recreation room or home office. Additionally, effective waterproofing can help save on energy costs by maintaining a stable indoor temperature. Overall, investing in basement waterproofing provides peace of mind and long-term protection for your home.

Homeowners in Valley Stream should be vigilant for several signs that indicate their basement may need waterproofing. Common symptoms include visible mold growth, musty odors, or damp patches on walls and floors. Additionally, if you notice water stains or peeling paint, these can be indications of moisture intrusion. Seasonal changes, particularly during heavy rainfall, can exacerbate these issues, making it essential to assess your basement's condition regularly. If you find puddles or standing water in the basement after storms, it’s a clear sign that waterproofing measures are necessary. Addressing these problems promptly can prevent more severe damage and costly repairs in the future.

Common Basement Waterproofing services and their costs

Typical pricing in Valley Stream, NY by service type.

Interior Waterproofing

In-home waterproofing solutions

MethodCost Range
Interior Sealant Application
Application of sealants to basement walls.
$1,500–$3,000
Sump Pump Installation
Installing a sump pump to remove water.
$1,000–$2,500
French Drain Installation
Installing drains to redirect water away.
$2,000–$4,000
Wall Crack Repair
Repairing cracks in the foundation walls.
$500–$1,500

Exterior Waterproofing

Outdoor waterproofing solutions

MethodCost Range
Excavation & Waterproofing
Excavating around the foundation and applying waterproofing.
$3,000–$5,000
Drainage System Installation
Installing exterior drainage systems.
$2,500–$4,500
Foundation Coating
Applying protective coatings to the foundation.
$1,500–$3,000
Land Grading
Grading the land to direct water away from the home.
$1,000–$2,000
Ready to start your basement waterproofing project? Get free quotes from vetted pros in Valley Stream, NY.
Get Free Estimates

Price ranges are estimates compiled from publicly available data and may vary with project scope.


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Browse all services
Retaining Wall Construction
Window Installation & Replacement
Roofing & Gutter Services
Siding & Exterior Remodeling
Solar Panel Installation Services
Pest Control Services
Septic Tank & Septic System Services
Garage Door Installation & Repair
Insulation Installation
Foundation Installation & Repair
Basement Waterproofing
Landscape Design
Landscape Construction
Landscape Maintenance
Landscape Repair
Land Cleaning
Garden Remodeling
Tree Planting & Transplanting
Tree & Shrub Care
Lawn Care & Mowing
Lawn Edging & Trimming
Leaf Removal & Cleanup
Seasonal Yard Cleaning
Lawn Aeration
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Lawn Overseeding & Reseeding
Patio Design & Installation
Paver Installation
Driveway Repair & Paving
Deck Building & Repair
Sidewalk & Pathway Installation
Fence Installation
Stone & Concrete Installation
Outdoor Lighting Installation
Sprinkler Installation & Repair
Sprinkler Adjustment
Drip Irrigation System Installation
Irrigation System Repair
Rainwater Harvesting System Installation
Drought-Resistant Lawn Installation
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Door Installation & Replacement
Drywall Installation & Repair
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Browse all services
Retaining Wall Construction
Window Installation & Replacement
Roofing & Gutter Services
Siding & Exterior Remodeling
Solar Panel Installation Services
Pest Control Services
Septic Tank & Septic System Services
Garage Door Installation & Repair
Insulation Installation
Foundation Installation & Repair
Basement Waterproofing
Landscape Design
Landscape Construction
Landscape Maintenance
Landscape Repair
Land Cleaning
Garden Remodeling
Tree Planting & Transplanting
Tree & Shrub Care
Lawn Care & Mowing
Lawn Edging & Trimming
Leaf Removal & Cleanup
Seasonal Yard Cleaning
Lawn Aeration
Lawn Dethatching
Lawn Overseeding & Reseeding
Patio Design & Installation
Paver Installation
Driveway Repair & Paving
Deck Building & Repair
Sidewalk & Pathway Installation
Fence Installation
Stone & Concrete Installation
Outdoor Lighting Installation
Sprinkler Installation & Repair
Sprinkler Adjustment
Drip Irrigation System Installation
Irrigation System Repair
Rainwater Harvesting System Installation
Drought-Resistant Lawn Installation
Handyman Services
Air Duct Cleaning Services
Door Installation & Replacement
Drywall Installation & Repair
House Painting Services
Kitchen Remodeling
Interior Design & Decorating
Custom Cabinets & Cabinetry
Countertop Installation Services
Flooring Installation Services
Tile & Stone Installation Services
Carpet Installation
Bathroom Remodeling
Walk-In Tub Installation
Home Renovation & Remodeling Services
Design-Build Services
Custom Home Builders
Commercial Construction Services
Carpentry & Woodworking
Architectural & Building Design Services
Structural Engineering Services
Heating & Cooling Services
Electrical Services
Plumbing Services
Smart Home & Theater Installers
Professional Home Organizers
Junk Removal & Hauling