Top Course Masonry
Rockville Centre Basement Waterproofing
Top Course Masonry delivers industry-leading waterproofing and masonry solutions to homeowners across Rockville Centre and Long Island. Available 24/7.
We combine decades of experience with the latest technology to deliver lasting results that protect your home and investment.
Every waterproofing system we install is backed by a lifetime transferable warranty — giving you peace of mind for years to come.
Water damage doesn't wait. Our emergency team is ready around the clock, every day of the week, to protect your home.
We use cutting-edge diagnostic tools and industry-leading waterproofing systems to ensure a permanent solution.
Fully licensed, bonded, and insured contractors who meet and exceed New York state standards for masonry and waterproofing.
No-obligation, thorough inspections and detailed estimates at zero cost. Know exactly what you're getting before we start.
Proudly serving Rockville Centre and Long Island for 15+ years. We understand the local soil, climate, and unique challenges.
From basement waterproofing to full foundation repair, we handle every aspect of keeping your home dry and structurally sound.
Interior and exterior waterproofing systems that eliminate moisture, mold, and flooding permanently.
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Crack injection, wall reinforcement, and structural repairs to restore the integrity of your foundation.
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Expert masonry restoration, sump pump installation, and drainage systems for complete water management.
Learn More →Top Course Masonry transformed our flooded basement into a completely dry space. Their team was professional, on time, and the quality of work is outstanding!
I had severe foundation cracks that were causing serious concern. They handled the entire repair efficiently and the lifetime warranty gave me total peace of mind.
Called them at 10pm for an emergency after a storm. They arrived within 2 hours and resolved everything. Truly 24/7 service — highly recommend!
Rockville Centre's Trusted Waterproofing & Foundation Experts Since 2009
Top Course Masonry was founded with a single mission: to provide Rockville Centre homeowners with reliable, long-lasting waterproofing and masonry solutions they can count on. What started as a small team of dedicated craftsmen has grown into Long Island's most trusted basement waterproofing company.
Based at 14 S Park Ave, Rockville Centre, NY 11570, we've spent over 15 years mastering the art of keeping homes dry and foundations strong. We understand the unique challenges that Long Island's climate and soil conditions present, and we've developed proven systems to address them effectively.
Our team of licensed, insured professionals treats every home as if it were their own — delivering meticulous workmanship and unmatched customer service from the first call to the final inspection.
To deliver permanent waterproofing and masonry solutions that protect homes and provide homeowners with lasting peace of mind.
To be the most trusted and recommended basement waterproofing company across all of Long Island and the greater New York area.
Integrity, transparency, craftsmanship, and a relentless commitment to customer satisfaction guide everything we do.
Every member of our team is fully trained, licensed, and dedicated to delivering excellence on every project.
Comprehensive Waterproofing & Masonry Solutions for Rockville Centre
From minor moisture issues to major foundation failures, Top Course Masonry has the expertise and technology to fix it right — the first time.
Our comprehensive basement waterproofing systems address water intrusion at its source, protecting your home from flooding, moisture, and mold growth. We offer both interior and exterior waterproofing solutions tailored to your specific needs.
A compromised foundation puts your entire home at risk. Our foundation repair specialists use proven techniques to stabilize and restore your foundation, preventing further structural damage and preserving your property's value.
A properly functioning sump pump is your basement's last line of defense against flooding. We install, replace, and service all sump pump systems, including backup battery systems for added protection during power outages.
Our skilled masons restore deteriorated brick, block, and stone masonry to its original strength and appearance. Whether your chimney needs tuckpointing or your retaining wall needs rebuilding, we handle it all with precision.
We make the entire waterproofing process easy, transparent, and stress-free for every homeowner.
Our expert technician visits your property and conducts a thorough evaluation of your basement and foundation.
We design a tailored waterproofing plan specific to your home's layout, soil conditions, and budget requirements.
Our licensed team executes the plan with precision, keeping your home clean and disruption to a minimum.
A thorough walk-through ensures everything meets our exacting standards before we hand over your warranty documentation.
Get Your Free Inspection & Estimate Today — We're Available 24/7
We're ready to help protect your home. Reach out by phone, email, or visit us in person.
14 S Park Ave
Rockville Centre, NY 11570, USA
Monday – Sunday
Open 24 Hours
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14 S Park Ave, Rockville Centre, NY 11570 — Proudly Serving All of Long Island