Dorff Construction
Dorff Construction concentrates in commercial hvac in New York City (78% of its 90 segment-eligible permits), with secondary activity across 3 other segments. Its permit record in New York City spans 1990–2005.
- Market
- New York City
- Active
- 1990–2005 · 15 yrs
- Licenses on file
- 1
- Reliable value
- —
- Coverage
- —
- Reliable filings
- —
- Rank in New York City
- #3,416
- Permits (all-time, all segments)
- 248
- Filings 90d
- 0
- Filings 30d
- 0
- Latest permit
- Nov 7, 2005
Primarily Commercial HVAC — 78% of 90 segment-classified permits
- 0004586
As named in the permit records — identifiers we surface, not verified state licensure.
Dorff Construction has 248 permits, but too few carry a value we can stand behind — so we publish — for reliable value, never a guess. They still rank by volume; the dollar figure stays honest.
Typical service area ~3 mi in New York City
The p90 footprint of where Dorff Construction has pulled permits in New York City — drawn from all 248 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- NYC248
Showing 20 of 90 permits by Dorff Construction in the indexed window · most recent first
- Nov 7, 2005Multifamily Alteration825 3 Avenue, Manhattan, NY 10022——applied Nov 4, 2005
- Nov 7, 2005Multifamily Alteration825 3 Avenue, Manhattan, NY 10022——applied Nov 3, 2005
- Oct 29, 2003Commercial HVAC350 Madison Avenue, Manhattan, NY 10017HVAC / Mechanical—
- May 15, 2003Commercial HVAC540 Madison Avenue, Manhattan, NY 10022HVAC / Mechanical—
- Dec 6, 2002Temporary Construction Support119 West 28 Street, Manhattan, NY 10001Construction Equipment—
- Nov 22, 2002Commercial HVAC540 Madison Avenue, Manhattan, NY 10022HVAC / Mechanical—
- Nov 21, 2002Multifamily Alteration2680 Broadway, Manhattan, NY 10025——
- Apr 2, 2002Multifamily Alteration136 Church Street, Manhattan, NY 10007——
- Mar 20, 2002Multifamily Alteration136 Church Street, Manhattan, NY 10007——
- Feb 15, 2002Commercial HVAC215 Park Avenue South, Manhattan, NY 10003HVAC / Mechanical—applied Feb 14, 2002
- May 9, 2001Multifamily Alteration825 3 Avenue, Manhattan, NY 10022——
- Sep 27, 2000Commercial HVAC111 5 Avenue, Manhattan, NY 10003HVAC / Mechanical—
- Aug 25, 2000Commercial HVAC114 5 Avenue, Manhattan, NY 10011HVAC / Mechanical—
- Aug 22, 2000Commercial HVAC114 5 Avenue, Manhattan, NY 10011HVAC / Mechanical—
- Aug 15, 2000Commercial HVAC570 Lex Avenue, Manhattan, NY 10022HVAC / Mechanical—
- Apr 20, 2000Commercial HVAC1211 Avenue Of The Americas, Manhattan, NY 10036HVAC / Mechanical—
- Jan 7, 2000Commercial HVAC1155 6 Avenue, Manhattan, NY 10036HVAC / Mechanical—
- —Commercial HVAC330 Madison Avenue, Manhattan, NY 10017HVAC / Mechanical—
- —Multifamily Alteration941 Park Avenue, Manhattan, NY 10028——
- —Commercial HVAC1675 Broadway, Manhattan, NY 10019HVAC / Mechanical—
Addresses where Dorff Construction has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.
- Structure Tone INC7,223 commercial hvac
- Jt Magen + CO INC2,097 commercial hvac
- Turner Construction Compa1,883 commercial hvac
- Lehr Construction CORP1,767 commercial hvac
- John Gallin & Son, INC1,597 commercial hvac
- Jrm Construction Mgmt LLC1,385 commercial hvac
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