Nisi Home Improvement Inc. Roofing & Siding

5.0(271 reviews on Google)

Roofer listing in Levittown, NY

About Nisi Home Improvement Inc. Roofing & Siding

NISI Home Improvement is a family-owned business in Levittown that has protected Long Island homes since 2004, serving Nassau and Suffolk counties. It replaces and repairs roofs, with a roof tune up option, and also installs siding, gutters, windows and skylights. It has replaced hundreds of roofs over more than 20 years, is fully licensed in both counties, and is a Google Guaranteed company. Labor and manufacturer warranties are included, financing is available, and estimates are free. Service zones include Floral Park, Glen Oaks and Great Neck, and the company is also certified by Directorii. Rated 5 from 271 Google reviews, 266 of them five stars and 2 one star.

What reviewers mention: gutters (42), siding (41), windows (33), gutter replacement (24), window replacement (22), respectful crew (15), skylight replacement (6), storm door replacement (5), door installation (5), shingle repair (4)

Services and details

  • Roofing work

    Yes

  • Gutters

    Yes

  • Financing

    Yes

  • Warranty

    Yes

  • States a contractor license

    Yes

No information yet on leak repair, emergency service, storm damage repair, helps with insurance claims, commercial roofing, flat roofs, asphalt shingles, metal roofing, slate roofing, manufacturer certified. The website did not say; call and ask.

Contact

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Listing compiled from public sources on 2026-11-11. Report a correction or request removal. Back to roofers in Levittown.