Waterproofing Service in NYC
At A and U contractors, we provide one of the finest waterproofing solutions in the industry through our variety of unmatched waterproofing services.A&USearching Waterproofing Contractors Near Me? Best waterproofing Contractors in Staten Island, NYC | Waterproofing Service
We at A and U contractors always ensure that everything is according to the preference of the customer. The preference of our customers is the number one priority for us, and we put their preferences and choices before ours. This customer-centric approach has allowed us to enjoy a client loyalty status in the prevailing market of waterproofing services. Our services assist in keeping your home waterproof and safe.
Why Choose A and U Contractors?
Customers can search for waterproofing contractor near me on the internet all they want, but this will not change their preferred choice for the waterproofing contractors and what sort of services they might get.
Selecting the waterproofing service provider is not an easy task for a new customer who has been facing constant leakages in and around his house. Experience is the number one aspect that any customer looks for in a service provider
A and U enjoys years and years of experience in dealing with flooded basement waterproofing. Our exceptional staff can handle flooded basements and leaking roofs to deliver tailored solutions based on your precise needs. For this reason, customers prefer our specialized service offerings to customers across New York City, Staten Island, Queens, and Brooklyn. Do Contact A & U contractors Today!
Best Waterproofing Contractor Queens, Brooklyn, & Manhattan, New York | Unrivaled Basement Waterproofing
Those who search for waterproofing near me services should look no further, as A and U offers waterproofing services that include basement waterproofing of the highest quality. Our highly skilled staff makes sure that your basement is utterly waterproof, ensuring inch by inch safety of your storage goods and heating systems. Our dedicated basement waterproofing services keep your basement secure from mold and bad odor. So, what are you worrying about? Stop worrying and give us a call to prevent your basement from leakages and bad odor. A and U offers the best pricing ranges for our waterproofing services to customers all over New York City, Staten Island, Queens, and Brooklyn.
Offering Exterior Waterproofing Solutions since Day One
We at A and U contractors also provide you with the necessary exterior waterproofing for your basement. With the help of exterior waterproofing services, you can protect your basement from the outside. We follow a customer-centric approach and find multiple ways to make sure that the foundation of your house remains intact and free from any sort of hazardous condition. In our low-cost basement proofing service, we provide you with the best services at reasonably affordable prices.
Explore Our Various Waterproofing Services
A and U offers several waterproofing solutions to a vast list of clients around New York City, Staten Island, Queens, and Brooklyn. There is no longer a need to search for waterproofing companies near me, as we bring you a comprehensive service system that includes a variety of waterproofing services to customers all over New York City, Staten Island, Queens, and Brooklyn.
Most Affordable & Cost Effective Waterproofing Service In New York
Still, if you are in doubt about whom to hire for home renovation, contact us right away via call on 347-833-5796
The 5-star rating is undoubtedly desirable, but our main priorities are dedication and client happiness. For more specific construction projects, make a call at 347-833-5796 or email us at aanducontractors@gmail.com
Our Services
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Mold Remediation
With our best mold remediation, we make sure your house remains clean from mold and stop it from growing anywhere. We carry out this process with the aid of our highly trained staff in waterproofing services. Getting rid of the pesky mold that grows inside houses, becomes easier with our prolific waterproofing services. We make sure to restore your house to its former beauty.
Waterproofing Service in NYC That Keeps Water Out — For Good
Leaky basement, damp walls, or a flooded foundation? A&U Contractors delivers licensed basement, interior & exterior waterproofing across Manhattan, Brooklyn, Queens, Staten Island & the Bronx — with honest pricing and a workmanship guarantee.
Request Your Free Waterproofing Quote
Tell us about the problem — we reply within one business day.
Trusted Waterproofing Company Serving All of New York City
Searching for reliable waterproofing contractors near me? At A&U Contractors, keeping your home dry, safe, and mold-free is our number-one priority. We put your preferences first — a customer-centric approach that has earned us lasting client loyalty across the NYC waterproofing market.
Choosing the right waterproofing service provider isn't easy when you're dealing with constant leaks. Experience is what matters most, and A&U brings years of hands-on work with flooded basements, leaking foundations, and damp interior walls. Our skilled team delivers tailored solutions built around your exact problem — never a one-size-fits-all patch.
- Licensed, bonded & fully insured NYC contractors
- Interior & exterior waterproofing under one roof
- Transparent, upfront pricing — no surprise add-ons
- Workmanship guarantee on every project
Complete Waterproofing Solutions Under One Roof
From basement seepage to full exterior foundation membranes, A&U handles every type of waterproofing for homes and buildings across NYC.
Basement Waterproofing
Stop seepage, standing water, and musty odors with interior drainage, sealants, and sump systems that keep your basement dry inch by inch.
Exterior & Foundation Waterproofing
We excavate and install waterproof membranes and drainage barriers that stop groundwater before it ever reaches your foundation walls.
Interior Waterproofing
Fast, cost-effective interior drainage systems, crack injection, and coatings that manage water after it enters — ideal for finished basements.
Sump Pumps & French Drains
Professional installation of sump pumps and perimeter French drains that channel water safely away from your home's lowest points.
Mold Remediation
Our trained crews remove existing mold, treat affected areas, and stop regrowth — restoring your home to a clean, healthy condition.
Crawl Space & Masonry Sealing
Vapor barriers, crawl-space encapsulation, and masonry sealing that protect porous brick and older NYC foundations from moisture damage.
How Much Does Waterproofing Cost in New York City?
Most NYC homeowners invest between $3,000 and $8,000 on interior basement waterproofing, while full exterior systems can run higher depending on excavation. Your final price depends on basement size, the severity of the water problem, and the method used. Below are typical 2026 price ranges — your free A&U inspection gives you an exact, no-obligation quote.
| Waterproofing Method | Best For | Typical NYC Price Range |
|---|---|---|
| Interior sealants & coatings | Minor damp walls, light seepage | $2 – $7 / sq ft |
| Interior drainage system | Recurring basement leaks | $3,000 – $8,000 |
| Foundation crack injection | Isolated wall cracks | $600 – $1,900 |
| Sump pump installation | Homes below street level | $1,200 – $4,000+ |
| French drain (interior perimeter) | Whole-basement water control | $70 – $100 / linear ft |
| Exterior membrane & excavation | Long-term foundation protection | $5,000 – $15,000+ |
*Ranges reflect 2026 NYC market averages and are for guidance only. A&U provides free on-site inspections and fixed written quotes — request yours here.
Warning Signs Your NYC Home Needs Waterproofing
Water damage rarely fixes itself — and mold can start growing within 24–48 hours of a leak. If you notice any of these signs, it's time for a professional inspection before the problem reaches your foundation.
- Damp, musty basement odor
- Water stains on walls or floors
- Efflorescence (white powder) on masonry
- Cracks in foundation walls
- Peeling paint or bubbling drywall
- Standing water after rain
- Visible mold or mildew
- Higher humidity or condensation
How A&U Waterproofs Your Home
Free Inspection
We visit your property, trace the water source, and assess the full extent of the moisture problem — at no cost.
Custom Plan & Quote
You receive a clear written plan and fixed price. No pressure, no hidden fees, no unnecessary work.
Professional Installation
Our licensed crew installs your waterproofing system cleanly and on schedule, keeping your home tidy throughout.
Guarantee & Follow-Up
We stand behind our work with a workmanship guarantee and follow up to confirm your space stays dry.
Why New York City Homes Are Especially Vulnerable
NYC basements face constant stress from aging infrastructure and heavy rainfall. Many older brownstones and pre-war buildings sit on porous masonry foundations that were never built with modern waterproof membranes — so moisture seeps in through concrete and weak joints.
On top of that, a large share of city homes sit below street level, which dramatically increases exposure to runoff during storms. That's exactly why local experience matters: A&U has waterproofed homes across every borough and knows how to protect NYC's unique housing stock.
- Specialists in brownstone & pre-war foundations
- Solutions built for below-grade city basements
- Familiar with NYC permits & building conditions
Waterproofing Contractors Across All 5 Boroughs
No matter where you are in New York City, our waterproofing team is nearby and ready to help.
Related Services You May Need
Water damage often goes hand-in-hand with masonry and foundation work. Explore our other NYC services:
Frequently Asked Questions
How much does basement waterproofing cost in NYC?
Most NYC homeowners pay between $3,000 and $8,000 for interior basement waterproofing, and roughly $2–$7 per square foot for sealant-based work. Full exterior systems with excavation can run $5,000–$15,000+. Your exact price depends on basement size, water severity, and method — A&U provides a free inspection and a fixed written quote.
What's the difference between interior and exterior waterproofing?
Interior waterproofing manages water after it enters — using drainage systems, sump pumps, and sealants. It's faster and more affordable. Exterior waterproofing stops water before it reaches the foundation by excavating and installing membrane barriers outside the walls. It costs more but offers stronger long-term protection. We recommend the right method after inspecting your home.
How long does a waterproofing project take?
Most interior basement projects are completed in 1–3 days. Larger exterior excavation jobs may take several days to a week depending on the size of the property and weather. We give you a clear timeline before any work begins.
Can waterproofing stop mold from coming back?
Yes. By eliminating the moisture source, waterproofing removes the conditions mold needs to grow. We also offer mold remediation to treat existing mold, so your basement stays clean and healthy long-term.
Do you offer free estimates for waterproofing?
Absolutely. Every A&U waterproofing project starts with a free on-site inspection and a no-obligation written quote. Call (347) 833-5796 or request your free estimate online.
Which NYC areas do you serve?
We provide waterproofing services across all five boroughs — Manhattan, Brooklyn, Queens, Staten Island, and the Bronx — as well as nearby neighborhoods throughout New York City.
Ready to Keep Your Basement Dry?
Don't wait for the next storm. Get a free inspection from NYC's trusted waterproofing contractors and protect your home from costly water damage.