Expert Basement Waterproofing, Insulation, General Contracting, and Concrete Repair Services – Delivering Exceptional Results Across Brooklyn, Queens, Long Island, and Bronx, NY.
Trusted, Industry-Leading Basement Waterproofing Solutions with Proven Results in Long Island, NY
✅ Wet or Leaky Basement? Prevent water damage with expert basement waterproofing.
✅ Foundation Problems? Protect your home with professional foundation waterproofing.
✅ Need Better Insulation? Lower energy bills with home & commercial insulation.
✅ Cracked Concrete? We specialize in concrete crack repair & sealing.
At Zavza Seal, we take pride in providing licensed, insured, and highly rated waterproofing, basement waterproofing, and insulation services to homeowners and businesses across Brooklyn, Queens, Long Island, and the Bronx, NY. Our expert team is dedicated to protecting your property from water damage, moisture issues, and structural concerns by using industry-leading techniques and high-quality materials. Whether you need basement waterproofing to prevent leaks and flooding, foundation waterproofing to protect against structural deterioration, or insulation services to improve energy efficiency, we have the expertise to get the job done right. We understand that water intrusion can lead to mold growth, foundation damage, and costly repairs, which is why we offer FREE inspections to assess your needs and provide tailored solutions. With a strong reputation for reliability and excellence, Zavza Seal is your go-to basement waterproofing and insulation expert in Long Island, ensuring your home or business remains safe, dry, and comfortable year-round.
📞 Call Now for a Free Estimate!
Fill Out The Form Below
To Get A FREE Estimate!
Building Trust with Excellence
Zavza Seal stands as a seasoned general contracting firm driven by a commitment to excellence, dedicated to serving the vibrant communities of Long Island, encompassing Suffolk, Nassau, Brooklyn, Queens and Bronx. As a comprehensive construction powerhouse, our expertise spans waterproofing, insulation, mold remediation, and foundation waterproofing services.
Should you be grappling with water-related issues such as flooding, moisture intrusion, mold proliferation, or foundation seepage, our expert team is at your service, armed with effective waterproofing solutions.
Envisioning Excellence
Our Unwavering Mission
Our Vision
To become the preferred choice for homeowners and commercial businesses by providing exceptional insulation, waterproofing and mold remediation services. By utilizing high-tech, environmentally friendly materials, and exceptional customer service, we strive to delight our customers and provide stellar service at affordable prices.
To provide unparalleled waterproofing, insulation and mold remediation services to homeowners and commercial customers. We deliver 100% guaranteed customer satisfaction by using best practices, innovative environmentally friendly products, and exceptional customer service at a great value.
Before and After Pictures
Basement Waterproofing Solutions – Long Island
Protect Your Long Island Home from Water Damage
Is your basement damp, musty, or showing signs of water leaks? We provide effective waterproofing solutions that keep your basement dry and structurally sound.
🔹 Interior & Exterior Waterproofing
🔹 Sump Pump Installation & Maintenance
🔹 French Drain Systems
🔹 Foundation Crack Repair
🔹 Basement Encapsulation & Vapor Barriers
Basement Waterproofing Company Long Island
Zavza Seal LLC is Long Island’s most trusted, industry-leading basement waterproofing company, offering expert solutions for basement waterproofing, foundation, and crawl space waterproofing, foundation leak repair, water damage restoration, mold prevention and remediation, and insulation services. Tailored to Long Island’s unique climate and soil conditions, our solutions provide long-lasting protection for your home. With a proven track record, we consistently deliver reliable services that safeguard your property. Our team is committed to ensuring the safety and durability of your home for years to come. We pride ourselves on providing top-notch services that exceed customer expectations every time.
At Zavza Seal LLC, we are unwavering in our commitment to providing unparalleled basement waterproofing and home protection services that safeguard your property from the most challenging environmental threats. With our industry-leading expertise, proven track record, and relentless dedication to delivering top-notch solutions, we ensure your home remains safe, secure, and resilient for years to come. Trust us to protect your investment — contact us today and experience the peace of mind that comes with working with Long Island’s most trusted basement waterproofing experts – Zavza Seal LLC.”
📞 Call Us Now: (631) 980-1800
LEARN MORE ABOUT BASEMENT WATERPROOFING
Foundation Waterproofing Long Island
Protect your home’s structural integrity with our foundation waterproofing in Long Island. We use top-grade sealants, drainage systems, and moisture barriers to keep your foundation dry and free from water damage.
Best Basement Waterproofing Services Near Me
Looking for the best basement waterproofing services near me? Zavza Seal LLC offers top-rated solutions backed by decades of experience and hundreds of satisfied customers across Long Island. Contact us today to schedule a consultation!
French Drain Installation Near me
Need reliable French drain installation near me? Zavza Seal LLC specializes in installing custom French drain systems to efficiently redirect water away from your foundation, preventing basement flooding and water damage. Our team ensures seamless installation using the best materials and techniques for long-lasting protection. Call us today to learn more!
✅ Licensed & Insured | ✅ 5-Star Rated | ✅ Serving Long Island, NY
Signs You Need Basement Waterproofing – Long Island
✅ Water stains on walls or floors
✅ Musty odors and mold growth
✅ Visible cracks in foundation or basement walls
✅ Increased humidity or dampness
✅ Water pooling after heavy rain
Don’t wait for costly damage—act now!
Case Study: Basement Waterproofing Success Story Long Island
Project Overview
Client: Homeowner in Nassau County, Long Island
Issue: Persistent basement flooding and foundation cracks
Solution: Comprehensive interior and exterior basement waterproofing
Challenge
A homeowner in Nassau County, Long Island, contacted Zavza Seal LLC after experiencing recurring basement flooding during heavy rains. Water seepage had caused foundation cracks and mold growth, posing a risk to the home’s structural integrity.
Solution Implemented
Our team conducted a thorough inspection and implemented a customized waterproofing plan:
-
Interior Waterproofing: Installed a French drain system and sump pump to manage excess water.
-
Exterior Waterproofing: Applied a high-quality waterproof membrane to seal foundation cracks and improve drainage.
-
Mold Prevention: Used vapor barriers and dehumidifiers to control basement humidity.
Results
✅ No basement flooding after multiple heavy rainstorms.
✅ Stronger foundation with sealed cracks.
✅ Improved air quality and mold-free basement.
✅ Increased home value and peace of mind for the homeowner.
Testimonial:
“Zavza Seal LLC transformed our basement! We no longer worry about water damage, and our home feels safer than ever. Highly recommend!” – John D., Nassau County
Ten great reasons to choose us
-
Expertise You Can Trust
With years of experience in basement waterproofing, insulation services, foundation repair, and mold remediation, we bring unparalleled knowledge and skill to every project. -
Comprehensive Solutions
We offer a full range of services, including basement and crawl space waterproofing, foundation repairs, and water damage restoration—ensuring your home stays dry and safe. -
Advanced Technology
We use state-of-the-art waterproofing methods, such as sump pumps, French drains, and encapsulation systems, to provide long-lasting results. -
Licensed & Insured
Zavza Seal is fully licensed and insured, giving you peace of mind knowing your property is in expert hands. -
Customer-Centric Approach
We prioritize customer satisfaction, offering customized solutions tailored to your specific needs and budget. -
Fast & Reliable Service
Our team is committed to timely project completion without compromising quality, ensuring minimal disruption to your home or business. -
Eco-Friendly Solutions
We use environmentally friendly products and techniques that are safe for your family, pets, and the environment. -
Free Inspections & Estimates
We provide no-obligation assessments to help you understand your property’s needs before making any commitments. -
Industry-Leading Warranties
Our services come with strong warranties, giving you long-term protection and confidence in our work. -
Local & Community-Focused
As a locally owned company, we care about our community and are dedicated to improving the safety and integrity of homes in our service areas.
Frequently Asked Questions (FAQs)
1. What areas do you serve?
We proudly serve residential and commercial properties in BROOKLYN, QUEENS, LONG ISLAND & BRONX, NY. providing expert waterproofing and foundation solutions.
2. How do I know if I need waterproofing services?
Signs such as basement leaks, mold growth, musty odors, foundation cracks, or excessive humidity indicate the need for professional waterproofing.
3. What is the best waterproofing solution for my basement?
The best solution depends on your specific issue. We offer sump pumps, French drains, vapor barriers, and other methods based on a detailed assessment of your basement.
4. How long does a waterproofing project take?
Project timelines vary based on the scope of work. Most waterproofing jobs take a few days, but we provide an estimated timeframe during your consultation.
5. Do you offer warranties on your services?
Yes! We stand by our work with industry-leading warranties, ensuring long-term protection for your home.
6. Can waterproofing help prevent mold growth?
Absolutely! Proper waterproofing eliminates excess moisture, which is the primary cause of mold growth in basements and crawl spaces.
7. How much does waterproofing cost?
The cost depends on the extent of the issue and the solution required. We offer free inspections and estimates to provide an accurate quote.
8. Will waterproofing increase my home’s value?
Yes! A dry and structurally sound home is more attractive to buyers, potentially increasing property value and preventing costly future repairs.
9. Do you provide emergency services?
Yes, we offer emergency water damage restoration and repair services to address urgent issues promptly.
10. How do I schedule an inspection?
You can easily schedule a free inspection by contacting us via phone or filling out our online form. Our team will promptly set up an appointment at your convenience.
Services We Provide on Long Island
Waterproofing services protect homes and buildings from water damage by preventing moisture intrusion in basements, foundations, crawl spaces, and other vulnerable areas. These services include foundation and basement waterproofing, sump pump installation, French drain systems, crawl space encapsulation, and mold prevention. Proper waterproofing helps maintain structural integrity, prevent mold growth, and improve indoor air quality.
Basement Waterproofing in Long Island
Protect your home from leaks and moisture damage with our professional basement waterproofing services. Serving homeowners across Long Island, we install advanced drainage systems, moisture barriers, and sealants to keep basements dry year-round.
French Drain Installation for Long Island Homes
A French drain system is one of the most effective ways to manage excess groundwater and prevent flooding. Our team provides custom French drain installations in Long Island, ensuring proper drainage and foundation protection.
Waterproofing Cement Solutions in Long Island
For homes and businesses in Long Island, we offer high-quality waterproofing cement applications to seal concrete surfaces. This creates a durable moisture barrier that prevents cracks and water infiltration.
Sump Pump Installation in Long Island
Prevent basement flooding with a reliable sump pump system. We install and maintain high-efficiency sump pumps to keep homes in Long Island protected during storms and heavy rains.
Basement Finishing & Remodeling in Long Island
Turn your basement into a functional living space with our expert basement finishing and remodeling services. Whether you need an extra bedroom, office, or entertainment area, we help Long Island homeowners transform their basements into beautiful, usable spaces.
Foundation Waterproofing for Long Island Properties
Protect your foundation from water damage and deterioration with our advanced foundation waterproofing solutions. We serve residential and commercial properties in Long Island, ensuring long-term structural stability.
Crawl Space Waterproofing in Long Island
Moisture problems in your crawl space can lead to mold growth and structural damage. Our crawl space waterproofing services help Long Island homeowners prevent moisture buildup with vapor barriers, drainage systems, and insulation.
Basement Crack Repair in Long Island
Cracks in your basement walls or floors can lead to water leaks and foundation issues. Our team specializes in basement crack repair throughout Long Island, using durable sealants and reinforcement techniques to prevent further damage.
Foundation Repair in Long Island
Strengthen and stabilize your foundation with our comprehensive repair services. We address foundation cracks, settling issues, and structural weaknesses to ensure the safety and integrity of your home.
Foundation Cracks Repair for Long Island Homes
If your foundation is cracking, settling, or shifting, we provide expert foundation repair services in Long Island. Our team uses advanced techniques to stabilize and strengthen your home’s structure.
Crawl Space Crack Repair in Long Island
Protect your home from moisture and structural damage with crawl space crack repairs. Our team seals cracks and reinforces weakened areas to maintain a dry and stable crawl space.
Crawl Space Encapsulation in Long Island
Improve your home’s energy efficiency and indoor air quality with professional crawl space encapsulation. We help Long Island homeowners create a dry, insulated, and mold-free environment under their homes.
Egress Window Installation in Long Island
Enhance basement safety and ventilation with a code-compliant egress window. Our installations provide Long Island homeowners with proper emergency exits while bringing in natural light.
Lally Column Installation for Structural Support
Ensure your home’s structural integrity with professionally installed lally columns. Our team provides Long Island homes with reinforced steel columns for added support and long-term stability.
General Contractor Services in Long Island
From renovations to new construction, our general contractor services cover custom home improvement projects across Long Island. Whether it’s waterproofing, foundation work, or remodeling, we deliver top-quality results.
Waterproofing Services Brooklyn NY
Beyond Long Island, we also provide waterproofing solutions for homes and businesses in Brooklyn. From basement sealing to foundation protection, we help safeguard your property against moisture damage.
Insulation Services in Long Island
Insulation Services help improve energy efficiency, indoor comfort, and moisture control by installing or upgrading insulation in homes and buildings. These services include attic insulation, wall insulation, basement and crawl space insulation, and spray foam or fiberglass applications. Proper insulation reduces heat loss, lowers energy bills, and prevents issues like drafts, mold growth, and temperature fluctuations.
- Attic Insulation in Long Island
Attic insulation in Long Island boosts energy efficiency, reduces heating and cooling costs, and prevents moisture issues using fiberglass, spray foam, or cellulose for year-round comfort and protection.
- Basement Insulation in Long Island
Basement insulation in Long Island improves energy efficiency, prevents moisture issues, and enhances comfort using spray foam, rigid foam, or fiberglass, protecting your home from temperature changes and mold growth.
- Crawl Space Insulation in Long Island
Crawl space insulation in Long Island boosts energy efficiency, prevents moisture buildup, and reduces mold risks using spray foam, rigid foam, or fiberglass for a healthier, more comfortable home.
- Batt Insulation in Long Island
Batt insulation in Long Island provides cost-effective thermal protection, enhancing energy efficiency and comfort. Ideal for walls, attics, and basements, it helps reduce heat loss and moisture issues.
- Fiberglass Insulation in Long Island
Fiberglass insulation in Long Island enhances energy efficiency, reduces heat loss, and controls moisture. Ideal for attics, walls, and basements, it provides affordable, durable, and effective thermal protection.
- Blown-in Insulation in Long Island
Blown-in insulation in Long Island improves energy efficiency, fills gaps seamlessly, and reduces heat loss. Ideal for attics and walls, it enhances comfort and helps lower heating and cooling costs.
- Spray Foam Insulation in Long Island
Spray foam insulation in Long Island provides superior energy efficiency, air sealing, and moisture resistance. Ideal for attics, walls, and basements, it enhances comfort and reduces heating and cooling costs.
Mold Removal & Water Damage Services
Mold: Mold growth occurs in damp, humid environments and can spread on walls, ceilings, and floors. It poses health risks, including respiratory issues, and can weaken structures over time. Proper mold remediation involves identifying moisture sources, removing mold, and preventing future growth.
Water Damage: Water damage results from leaks, flooding, or excess moisture, leading to structural deterioration, mold growth, and property damage. Restoration involves water extraction, drying, cleaning, and repairing affected areas to prevent further issues.
- Water Damage Restoration in Long Island
Zavza Seal LLC is a New York-based contractor specializing in water damage restoration, mold remediation, and waterproofing services. They offer comprehensive solutions to restore and protect properties from water-related issues. Their services include sump pump installation and maintenance, leak detection systems, and foundation repair. With a focus on preventing future incidents, Zavza Seal aims to ensure homes and businesses remain safe, secure, and dry. citeturn0search0
- Mold Remediation in Long Island
Mold remediation in Long Island eliminates mold, improves air quality, and prevents future growth. Professional services ensure safe removal, protecting homes from health risks and structural damage.
- Mold Removal in Long Island
Mold removal in Long Island eliminates mold growth, improves indoor air quality, and prevents health risks. Professional services ensure thorough cleaning and long-term protection for a safer home environment.
- Mold Inspection in Long Island
Mold inspection in Long Island detects mold growth, assesses moisture issues, and ensures indoor air quality. Professional evaluations help prevent health risks and structural damage through early detection and remediation.
- Mold Tests in Long Island
Mold tests in Long Island identify mold types, assess air quality, and detect hidden growth. Professional testing ensures accurate results for effective remediation and a healthier indoor environment.
- Water Damage Prevention in Long Island
Water damage prevention in Long Island protects homes from leaks, flooding, and moisture issues. Solutions include waterproofing, drainage systems, and proper insulation to prevent costly repairs and structural damage.
- Odor Control in Long Island
Odor control in Long Island eliminates unwanted smells from mold, smoke, pets, and water damage. Professional treatments improve indoor air quality, ensuring a fresher, healthier living environment.
- Dehumidification in Long Island
Dehumidification in Long Island reduces excess moisture, prevents mold growth, and improves air quality. Ideal for basements, crawl spaces, and homes, it enhances comfort and protects against water damage.
- Air Purification in Long Island
Air purification in Long Island removes allergens, pollutants, and odors, improving indoor air quality. Ideal for homes and businesses, it promotes healthier living by reducing airborne contaminants.
- Water Damage Cleaning in Long Island
Water damage cleaning in Long Island removes excess water, prevents mold growth, and restores properties after leaks or floods. Professional services ensure thorough drying and sanitization for a safe environment.
They were very concerned with cleaning up, which I appreciated. I felt the difference in my home immediately. No more freezing cold walls. I recommend them, hands down.
Zavza Seal proudly serves homeowners and businesses throughout Brooklyn, Queens, Long Island, and the Bronx, NY, providing top-quality basement waterproofing, foundation repair, crawl space solutions, and insulation services. Our team understands the unique challenges posed by the local climate, including heavy rainfall, fluctuating temperatures, and high humidity, all of which can lead to water damage, mold growth, and structural issues. Whether you need basement waterproofing to prevent flooding, foundation waterproofing to protect against deterioration, or crawl space encapsulation for better moisture control, we have the expertise to deliver reliable, long-lasting solutions. No matter where you are in our service area, we offer FREE inspections to assess your needs and provide the best waterproofing and insulation solutions to keep your property safe, dry, and energy-efficient.
Addisleigh Park, Albertson, Amagansett, Amityville, Aquebogue, Arverne, Astoria, Atlantic Beach, Auburndale, Babylon, Baldwin, Bay Shore, Bay Terrace, Bayport, Bayridge, Bayside, Bayswater, Bayville, Beechhurst, Belle Harbor, Bellerose, Bellmore, Bellport, Bensonhurst, Bethpage, Blue Point, Bohemia, Borough Park, Boulevard Gardens, Breezy Point, Brentwood, Briarwood, Bridgehampton, Brightwaters, Broad Channel, Broadway–Flushing, Brookhaven, Brooklyn Heights, Calverton, Cambria Heights, Carle Place, Carroll Gardens, Red Hook, Cedarhurst, Center Moriches, Centereach, Centerport, Central Islip, Chinatown, Cobble Hill, Cold Spring Harbor, College Point, Commack, Copiague, Coram, Corona, Cutchogue, Deer Park, Dix Hills, Douglaston–Little Neck, Dyker Heights, East Elmhurst, East Hampton, East Islip, East Marion, East Meadow, East Moriches, East Northport, East Norwich, East Quogue, East Rockaway, East Setauket, Eastport, Edgemere, Elmhurst, East Patchogue, Elmont, Far Rockaway, Farmingdale, Farmingville, Fishers Island, Floral Park, Flushing, Forest Hills, Franklin Square, Freeport, Fresh Meadows, Fresh Pond, Garden City, Glen Cove, Glen Head, Glen Oaks, Glendale, Glenwood Landing, Gravesend, Great Neck, Great Neck, Great River, Greenlawn, Greenport, Greenvale, Hammels, Hampton Bays, North Bay Shore, Hauppauge, Hempstead, Hewlett, Hicksville, Holbrook, Hollis, Holtsville, Homecrest, Howard Beach, Hunter’s Point South, Huntington, North Amityville, Huntington Station, Inwood, Island Park, Islandia, Islip, Islip Terrace, Jackson Heights, Jamaica, Jamaica Estates, Jamaica Hills, Jamesport, Jericho, Kensington, Windsor Terrace, Kew Gardens, Kew Gardens Hills, Kings Park, Koreatown, Lake Grove, Laurel, Laurelton, Lawrence, LeFrak City, Levittown, Lindenhurst, Locust Manor, Locust Valley, Long Beach, Long Island City, Lynbrook, Malverne, Manhasset, Manorville, Maspeth, Massapequa, Massapequa Park, Mastic, Mastic Beach, Mattituck, Meadowmere, Medford, Melville, Merrick, Middle Island, Middle Village, Midwood, Mill Neck, Miller Place, Mineola, Montauk, Moriches, Mount Sinai, Neponsit, Nesconset, New Hyde Park, New Suffolk, North Babylon, North Shore Towers, Northport, Oakdale, Ocean Beach, Oceanside, Old Bethpage, Old Westbury, Orient, Oyster Bay, Ozone Park, Park Slope, Gowanus, Windsor Terrace, Parkville, Patchogue, Peconic, Plainview, Point Lookout, Pomonok, Port Jefferson, Port Jefferson Station, Port Washington, Queens Village, Queens West, Queensboro Hill, Queensbridge, Quogue, Rego Park, Remsenburg, Richmond Hill, Ridge, Ridgewood, Riverhead, Rochdale Village, Rockaway, Rockaway Beach, Rockaway Park, Rockville Centre, Rocky Point, Ronkonkoma, Roosevelt, Rosedale, Roslyn, Roslyn Heights, Roxbury, Sag Harbor, Sagaponack, Saint James, Sayville, Sea Cliff, Seaford, Seaside, Selden, Shelter Island, Shelter Island Heights, Shirley, Shoreham, Smithtown, Sound Beach, South Jamaica, South Jamesport, South Ozone Park, Southampton, Southold, Speonk, Springfield Gardens, St. Albans, Stony Brook, Sunnyside, Sunnyside Gardens, Syosset, The Hole, Uniondale, Upton, Valley Stream, Wading River, Wainscott, Wantagh, Water Mill, West Babylon, West Hempstead, West Islip, West Sayville, Westbury, Westhampton, Westhampton Beach, Whitestone, Willets Point, Williston Park, Woodbury, Woodhaven, Woodmere, Woodside, Wyandanch, Wyckoff Heights, Yaphank