Zavza Seal LLC

Call (631) 980-1800 · Visit company website

Also listed on its own site: (631) 400-6001, (718) 635-2800

Services (as stated on its own website)

• Interior drainage systems
• Foundation crack repair (epoxy and urethane injection, Basecrete waterproofing cement with fibermesh)
• Sump pump installation, with battery backup
• Wall sealing
• Membrane waterproofing (Delta dimpled membrane)
• French drains: interior, exterior, crawl space, surface and underground
• Dry wells
• Vapor barriers
• Crawl space encapsulation
• Moisture control systems
• Egress windows

Service area (as stated on its own website)

Long Island, Brooklyn, Queens and the Bronx in general; long Suffolk list (Babylon, Bay Shore, Bohemia, Brentwood, Brookhaven, Center Moriches, Commack, Deer Park, Huntington, Islip, Patchogue, Port Jefferson, Riverhead, Ronkonkoma, Smithtown, Stony Brook, among many others) and Nassau list (Great Neck, Hicksville, Garden City, Hempstead, Merrick, Farmingdale, among others); own project towns: Setauket, Rocky Point, East Northport, West Sayville

Notes

• Local company: Long Island office in Bohemia; also Center Moriches and Farmingdale offices.
• Address verified live on 2026-11-03: its home page shows 80 Orville Drive, Suite 100, Bohemia, NY 11716. Address conflict on its own site: its contact page says 480 Orville Drive, and a snippet shows a Sunrise Highway address in Bohemia. The verified home-page address is used here and the variants are noted.
• Years conflict on its own site: over 20 years in its FAQ, over 30 years in search snippets, and over a decade of expertise on its French drain page. No single figure is published here.
• License: only claims of being fully licensed, insured and certified. NO number published.
• No rating with a count: five-star wording without a count is not a rating.
• No fixed price is published; only ranges, quoted in the cost guide and labeled as ranges, and a free inspection and assessment.

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