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General contracting in Hempstead

Compare 58 active general contractors with a registered address in Hempstead (Nassau County, New York). Records are sourced directly from the New York City Department of Buildings & NYS Licensing Authorities (NYC DOB / NYS) under NYC Administrative Code Title 28 (Licensed Master Plumber, Master Electrician, and General Contractor Registration) & NYS General Business Law Article 36-A; confirm municipal permit requirements with Hempstead before starting work. A credential from another jurisdiction does not establish authorization to work here.

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Local guidance checked October 29, 2026 · NYC DOB / NYS Official License Verification. Confirm the requirements for your project with the city.

58 general contracting records · Hempstead

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Public Directory Quality: Public source records in Hempstead · Zero sponsored order · Never sold as a lead · How our data works →

General contracting directory

58 matching records · 25 on this page · Contactable records first, then alphabetical within groups. Coverage is the matched city/category scope.

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Hours, insurance, reviews and service coverage are not established by a license-file entry.

Map unavailable: no publishable postal or city location for these records.

Portillos Carpentry And Demolition Corp

Official license file From the official license file Carpentry · NYC Department of Consumer and Worker Protection · Specialty scope: Carpentry, Joinery & Millwork

Registered address: 11 Harriet Ave

2126171-DCWP · Source dated 2026-10-25 · Service area not confirmed. · Verify on New York portal →

No public phone or website on record.
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Before the first call

  • Describe the job and ask whether it is within their scope and service area.
  • Check the credential with its issuing authority and ask what applies where the work will happen.
  • Ask about insurance, availability, who will do the work, and a written scope.
  • Ask about callout fees, labor or fixed rates, materials, cancellation and any estimate charge.
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Verification Overview & Key Takeaways: How to Check Official Credentials

HomeCrafto displays source records with different scopes, including licenses, registrations, municipal permits and community records. A source entry is not proof of qualification for your job. Before signing a work order or paying a deposit, homeowners should confirm that the contractor’s credential number is active, verify that the license classification covers the specific trade scope required for the job, and request a current Certificate of Insurance (COI) directly from the issuing insurance carrier. Independent verification protects your property and ensures compliance with local building codes.

How do you verify a contractor license number and insurance on official portals (FAQ)?

You can verify active license standing and consumer protection rules directly through official government portals, including Washington L&I Contractor Verify, the California Contractors State License Board (CSLB), the Connecticut eLicense Portal, USA.gov State Consumer Protection Offices, and FTC Home Improvement Consumer Guidance. Always confirm municipal permit requirements with your local building department before work begins.

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Nassau County, New York Trade Directory

Compare general contracting across Nassau County or view the New York State Hub (NYC DOB / NYS).

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