Alpha Windows & Siding

Roofer and siding contractor in Greenvale, NYRoofingSidingWindow installation and vinyl siding, serving Massapequa and Commack.

What we checked

  • Business phone works
  • Website is live
  • Website says it does roofing and siding

About

Alpha Windows & Siding is a roofing and siding company in Greenvale, New York. It installs vinyl siding and windows for homeowners in Greenvale, Massapequa and Commack. It offers free inspections or estimates and financing.

  • Residential
  • Free inspection
  • Financing

Services

Siding

  • Siding installation
  • Vinyl siding

Other exterior work

  • Window installation

Service area

Alpha Windows & Siding names 3 cities on its website. The farthest is Commack, 18 miles away.

Common questions

Is Alpha Windows & Siding licensed and insured?

Alpha Windows & Siding’s website does not say. The Roofing List does not check licenses or insurance. Ask to see both before you hire. Our guide shows how to check a roofer’s insurance and license.

Does Alpha Windows & Siding give free estimates?

Alpha Windows & Siding’s website offers a free inspection or estimate. Call (516) 399-2090. Ask for the estimate in writing. See what a new roof costs.

Does Alpha Windows & Siding offer financing?

Alpha Windows & Siding’s website says the firm does. Ask for the rate and the full cost before you sign.

What areas does Alpha Windows & Siding serve?

Alpha Windows & Siding’s website names Greenvale, Massapequa and Commack.

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At a glance

Based in
Greenvale, NY
Trades
Roofing and siding
Services listed
3
Service area
3 cities, up to 18 miles away
Phone
(516) 399-2090

Before you hire Alpha Windows & Siding

  • Insurance. The website does not mention insurance. Ask for a certificate of insurance, then call the insurer to confirm it.
  • Written estimate. The website offers a free inspection or estimate. Get the price, the materials and the dates in writing.
  • Warranty. The website does not mention a warranty on the firm’s work. Ask if the firm gives one, and get it in writing.

Guide: check a roofer’s insurance and licenseGuide: repair or replace?

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Summary based on Alpha Windows & Siding’s website, Oct 2026.