Duo Plumbing & Htg Corp. — permit history in New York, NY

Licences on record

A contractor commonly holds several licences, one per class of work, so more than one number is normal. The number is reproduced as New York published it. A licence appearing on a permit does not prove it is current: check status and expiry with the issuing authority before acting.

Permit categories

2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.

Activity by year

Busiest year on record: 2026, with 174 permits. One project can account for several filings, so read this as filing activity rather than workload.

Named on the same permit

33 companies are named alongside Duo Plumbing & Htg Corp. on the same New York permit. A shared permit is a documented co-appearance, not proof of a current contract. Names appear as the authority published them.

Where they worked

464 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $847,690, median $16,750. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.

Also named on permits at the same addresses

Companies that also appear in New York permit records at addresses where Duo Plumbing & Htg Corp. filed, in any year. Sharing an address is a documented co-appearance, not proof that they worked on the same project or with each other.

Permits on record

Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.

Search these records

The 637 permits above are a static record through 2026. Select a year above to open that year’s records, or search Duo Plumbing & Htg Corp. in New York, NY by address, trade or date range.

Source and limits

Public New York permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →

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