Get matched with the best Basement Waterproofing pros in Holtsville, NY

Find waterproofing experts near you. Get free quotes for interior drains, sump pumps, and exterior sealing.

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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 Holtsville, NY

*The Growcycle rating for Basement Waterproofing companies in Holtsville, 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 10, 2026

Connor Vargas

Reviewed in March 2025

I recently hired Imperial Home & Office Improvements Of Li, Inc. for a bathroom remodel, and I couldn't be happier. Their craftsmanship and attention to detail exceeded my expectations!

Imperial Home & Office Improvements of LI, Inc. - Basement Waterproofing in Holtsville, NY Imperial Home & Office Improvements of LI, Inc. Request a quote

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 Holtsville, 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 Holtsville, 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 Holtsville, 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 Holtsville, NY KH Property Management Request a quote
Cost Guide

How much does Basement Waterproofing cost in Holtsville, NY?

Typical basement waterproofing projects in Holtsville, NY range from $1,500 to $7,000, with most homeowners paying around $3,500.

$1,500
$3,500 Typical cost in Holtsville, NY
$7,000
LOWHIGH

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

Per Sq Ft $10–$20
Per Linear Foot $15–$25
Per System $2,000–$5,000

Last updated: April 2026

Basement waterproofing services in Holtsville, NY typically cost between $1,500 and $7,000, with an average price around $3,500. Factors influencing costs include the extent of water damage, the size of the basement, and the chosen waterproofing methods. Interior and exterior solutions vary significantly in price.

Contractors in Holtsville charge between $75 and $150 per hour for labor, depending on their experience and the complexity of the job. Most waterproofing projects will require a permit from the Town of Brookhaven, with fees based on the scope of work, which can add to the overall expense.

When comparing basement waterproofing quotes in Holtsville, prioritize understanding the proposed methods and any warranties to ensure lasting protection.

What affects the cost in Holtsville, NY?

Holtsville Labor Rates

Licensed waterproofing contractors in Holtsville charge $75–$150/hr, reflecting the need for skilled labor in managing water intrusion issues. Experienced contractors may command higher rates.

Permits & Inspections

Most significant waterproofing work in Holtsville requires permits from the Town of Brookhaven. Permit fees can vary based on the project size and complexity.

Material Selection & Quality

Choosing higher-quality waterproofing materials can increase costs by 10–25%. The long-term effectiveness of these materials can justify the initial investment.

Seasonal Demand & Scheduling

Spring is typically the busiest season for waterproofing projects in Holtsville, as homeowners prepare for summer rains. Scheduling in the off-season may result in better availability and pricing.

Frequently Asked Questions About Basement Waterproofing in Holtsville, NY

Choosing a reliable basement waterproofing contractor in Holtsville involves thorough research and due diligence. Start by asking for recommendations from friends and family who have had similar work done. Online reviews and ratings can also provide insight into the contractor's reputation. Ensure the contractor is licensed and insured, as this protects you in case of accidents or issues during the project. Request estimates from multiple contractors to compare pricing and services offered. During consultations, ask about their experience with basement waterproofing specifically and their understanding of local conditions that may affect your home. A reputable contractor should also be willing to provide references from past clients, helping to ensure you're making an informed decision.

Common signs of a basement water problem include visible water stains on walls or floors, musty odors, mold growth, and peeling paint. In Holtsville, homeowners should also look for signs of condensation on windows or walls, which can indicate high humidity levels in the basement. Additionally, if you notice increased insect activity or efflorescence (white powdery deposits) on your basement walls, these can be indicators of moisture issues. It's essential to address these problems promptly, as they can lead to more significant issues if left untreated. If you suspect a water problem in your basement, it's advisable to contact a professional for a thorough inspection and recommendations for waterproofing solutions.

After waterproofing your basement, regular maintenance is crucial to ensure the system continues to function effectively. In Holtsville, it's essential to periodically check the sump pump (if installed) to ensure it's operating correctly and free from debris. Additionally, inspect the drainage systems around your home to ensure they are clear of leaves and other obstructions. It's also advisable to monitor humidity levels in your basement; using a dehumidifier can help maintain optimal conditions. If you notice any signs of water intrusion or increased moisture, it’s important to address these issues promptly. Regular maintenance can prolong the effectiveness of your waterproofing system, protecting your home from potential water damage.

There are several basement waterproofing methods available, each tailored to address specific issues. Common methods include interior waterproofing, which involves installing drainage systems and sump pumps to manage water that enters the basement. Exterior waterproofing, which consists of applying sealants and installing drainage systems around the foundation, is another effective approach. In Holtsville, homeowners may also consider a combination of both methods for comprehensive protection. Additionally, addressing grading and landscaping around the foundation can help divert water away from the home. A professional waterproofing contractor can assess your situation and recommend the best method for your specific needs, ensuring long-term protection against water damage.

Basement waterproofing is essential for preventing water intrusion and protecting your home from potential damage. In Holtsville, where heavy rains and snowmelt can lead to increased groundwater levels, waterproofing your basement can help prevent issues such as mold growth, structural deterioration, and damage to personal belongings. A wet basement can lead to health issues due to mold and mildew, which can thrive in damp conditions. By investing in waterproofing solutions, you can create a dry, healthy environment in your basement, enhancing your home's overall value and comfort. Furthermore, waterproofing can prevent costly repairs down the line, making it a wise investment for any homeowner.

Common Basement Waterproofing services and their costs

Typical pricing in Holtsville, NY by service type.

Interior Waterproofing

Solutions for interior spaces

MethodCost Range
Interior Drainage System
Installing drains to collect and redirect water.
$1,500–$3,000
Sump Pump Installation
Installing a pump to remove water from the basement.
$1,000–$2,500
Waterproofing Paint
Applying a waterproof coating to walls.
$500–$1,500
Wall Sealant Application
Sealing walls to prevent moisture intrusion.
$300–$700

Exterior Waterproofing

Solutions for external protection

MethodCost Range
French Drain Installation
Installing a drainage system around the foundation.
$2,500–$5,000
Excavation and Grading
Adjusting the landscape to direct water away from the foundation.
$2,000–$4,000
Foundation Sealing
Applying sealant to the foundation walls.
$1,500–$3,000
Exterior Drainage System
Setting up an exterior drainage solution to manage runoff.
$3,000–$6,000
Ready to start your basement waterproofing project? Get free quotes from vetted pros in Holtsville, NY.
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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
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
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Tile & Stone Installation Services
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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