Foundation Repair Companies in Massapequa, NY

On Long Island, the foundation repair companies in New York that serve Massapequa come from towns across Nassau and Suffolk counties. This page covers 8 businesses. Complete Basement Systems and Genstar Masonry and Landscaping are in Massapequa itself, and the rest are based in Melville, Merrick, Hicksville, Huntington, Westbury and Baldwin. Complete Basement Systems repairs foundations and waterproofs basements and crawl spaces across Long Island, and it has run on the island since 2000.

Foundation Repair Companies in Massapequa

Companies that state foundation repair come first. Within that, the order is the Google rating weighted by the number of reviews, so a 4.8 from 300 reviews ranks above a 5.0 from 3. Paid spots are labeled: Featured above the list, Sponsored when a company has bought a best-of spot at the top of it.

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Complete Basement Systems

4.9(58 reviews on Google)

Based in Massapequa · serves Hempstead, Mamaroneck and more

  • Foundation repair
  • Basement waterproofing
  • Bowing wall repair
(516) 334-0000

Foundation and basement repair in Massapequa: a local guide

Complete Basement Systems is merging with Premium Technical Services and Premium Foundation Supply, which brings foundation repair, below-grade waterproofing and grouting experience going back to 1973. Its services include carbon fiber reinforcement and epoxy and urethane injection for cracks, and it also offers piers for settling foundations and concrete lifting. Building Structures Unlimited Inc. in Melville focuses on foundation, basement and crawl space repairs.

Where these businesses work is spelled out clearly. Genstar Masonry and Landscaping serves homeowners and businesses in Nassau and Suffolk Counties. JJM Roofing & Waterproofing in Westbury serves Nassau County, Suffolk County and the five boroughs. Diamond Masonry & Waterproofing in Merrick has served Long Island since 2000. Vulcan Basement Waterproofing in Huntington has worked since 1947 and covers New York, Long Island, New Jersey, Connecticut, Pennsylvania and Delaware. It is not a franchise and does not subcontract, so its own crews do the work. Waterproofing Restoration of Baldwin works in Baldwin, in Nassau County.

Some of the trade here comes from other trades. Genstar Masonry and Landscaping does most of its work in masonry, patios, driveways and landscape design, and its repair side covers basement crack sealing and injection, foundation waterproof membranes, wall reinforcement, drainage protection and French drains. JJM Roofing & Waterproofing does roofing, siding, gutters, RoofMaxx treatments and egress windows, handles cedar shake roofs, and takes on all types of foundation waterproofing for homes and commercial buildings.

The basement work itself is mostly drains and pumps. Diamond Masonry & Waterproofing builds interior systems that capture groundwater before it floods the basement floor, including French drains, sump pump installation, foundation crack repairs and grated channel drains. Its exterior work involves excavating along the foundation and adding membranes. The Hicksville office of Vulcan Basement Waterproofing offers a patented pressure relief system, French drains, sump pumps with battery backup, vapor barriers on foundation walls and basement crack repair. It also does crawl space waterproofing and encapsulation, mold and dehumidification work, ventilation systems and egress windows.

Ratings here are high. Genstar Masonry and Landscaping is 5.0 from 551 reviews and JJM Roofing & Waterproofing is 5.0 from 109. Building Structures Unlimited Inc. is 5.0 from 72, every one of them five stars. Diamond Masonry & Waterproofing is 5.0 from 54 and Complete Basement Systems is 4.9 from 58. The Hicksville office of Vulcan Basement Waterproofing is 4.5 from 24, and the Huntington office is 5.0 from 3. Waterproofing Restoration of Baldwin is 5.0 from 1 review.

Nearby city pages cover Jamaica, Bohemia, Flushing, Richmond Hill and Mamaroneck.

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Common questions about foundation repair companies in Massapequa

Who repairs crawl spaces near Massapequa?

Building Structures Unlimited Inc. in Melville focuses on foundation, basement and crawl space repairs. Complete Basement Systems in Massapequa waterproofs basements and crawl spaces across Long Island. The Hicksville and Huntington offices of Vulcan Basement Waterproofing offer crawl space waterproofing and encapsulation.

Who handles settling foundations and sunken concrete on Long Island?

Complete Basement Systems offers piers for settling foundations, concrete lifting and carbon fiber reinforcement. It also does epoxy and urethane crack injection. It is the business on this page that works with piers and concrete lifting.

Which businesses install egress windows?

Diamond Masonry & Waterproofing, Complete Basement Systems and both Vulcan Basement Waterproofing offices offer egress windows. JJM Roofing & Waterproofing in Westbury also installs them, along with its roofing and siding work.

Who works in both Nassau and Suffolk counties?

Genstar Masonry and Landscaping serves homeowners and businesses in Nassau and Suffolk Counties. JJM Roofing & Waterproofing serves Nassau County, Suffolk County and the five boroughs. Diamond Masonry & Waterproofing in Merrick has served Long Island since 2000.

How can I look up a contractor's license in Nassau County?

Nassau County's Department of Consumer Affairs issues licenses to home improvement contractors, and its Who Must Be Licensed page puts waterproofing and masonry on its list of covered work. The county runs a search called Search Businesses With Valid Licenses, where you can look up a company by name, license or street address.

Foundation Repair Companies near Massapequa