Contractor Profile

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.

First permit: Jun 29, 1990 (13,257d ago)Latest permit: Nov 7, 2005 (7,647d ago)
The sales record
Market
New York City
Active
1990–2005 · 15 yrs
Licence IDs on their permits
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
Typical project sizeNot enough valued permits to summarize.
Where they work
Firmographics
License & registration IDs on file
  • 0004586

As named in the permit records — identifiers we surface, not verified state licensure.

Direct contactNot in our data — we don’t fabricate firmographics.
What we won’t fabricate

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.

—Below our reliability threshold — too few filings carry a value we stand behind
Service area

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
Find Commercial HVAC contractors near your branchEnter your address — see who’s pulling these permits in your radius.
Recent permits

Showing 20 of 90 permits by Dorff Construction in the indexed window · most recent first

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Nov 7, 2005
applied Nov 4, 2005
825 3 Avenue, Manhattan, NY 10022
Multifamily Alteration
—
Nov 7, 2005
applied Nov 3, 2005
825 3 Avenue, Manhattan, NY 10022
Multifamily Alteration
—
Oct 29, 2003
350 Madison Avenue, Manhattan, NY 10017
Commercial HVAC
—
May 15, 2003
540 Madison Avenue, Manhattan, NY 10022
Commercial HVAC
—
Dec 6, 2002
119 West 28 Street, Manhattan, NY 10001
Temporary Construction Support
—
Nov 22, 2002
540 Madison Avenue, Manhattan, NY 10022
Commercial HVAC
—
Nov 21, 2002
2680 Broadway, Manhattan, NY 10025
Multifamily Alteration
—
Apr 2, 2002
136 Church Street, Manhattan, NY 10007
Multifamily Alteration
—
Mar 20, 2002
136 Church Street, Manhattan, NY 10007
Multifamily Alteration
—
Feb 15, 2002
applied Feb 14, 2002
215 Park Avenue South, Manhattan, NY 10003
Commercial HVAC
—
May 9, 2001
825 3 Avenue, Manhattan, NY 10022
Multifamily Alteration
—
Sep 27, 2000
111 5 Avenue, Manhattan, NY 10003
Commercial HVAC
—
Aug 25, 2000
114 5 Avenue, Manhattan, NY 10011
Commercial HVAC
—
Aug 22, 2000
114 5 Avenue, Manhattan, NY 10011
Commercial HVAC
—
Aug 15, 2000
570 Lex Avenue, Manhattan, NY 10022
Commercial HVAC
—
Apr 20, 2000
1211 Avenue Of The Americas, Manhattan, NY 10036
Commercial HVAC
—
Jan 7, 2000
1155 6 Avenue, Manhattan, NY 10036
Commercial HVAC
—
—
330 Madison Avenue, Manhattan, NY 10017
Commercial HVAC
—
—
941 Park Avenue, Manhattan, NY 10028
Multifamily Alteration
—
—
1675 Broadway, Manhattan, NY 10019
Commercial HVAC
—
Sites Dorff Construction returns to6 in New York City

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.

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