Contractor Profile

Keystone Mechanical INC

Keystone Mechanical INC concentrates in multifamily alteration in New York City (83% of its 24 segment-eligible permits), with secondary activity across 1 other segment. Its permit record in New York City spans 1998–2021.

First permit: Jun 16, 1998 (10,304d ago)Latest permit: Jul 14, 2021 (1,875d ago)
The sales record
Market
New York City
Active
1998–2021 · 23 yrs
Licence IDs on their permits
3
Reliable value
Coverage
Reliable filings
Rank in New York City
#17,095
Permits (all-time, all segments)
29
Filings 90d
0
Filings 30d
0
Latest permit
Jul 14, 2021
Typical project sizeNot enough valued permits to summarize.
Where they work

Primarily Multifamily Alteration 83% of 24 segment-classified permits

Ranked #9,455 in the New York City Multifamily Alteration leaderboard →
Firmographics
License & registration IDs on file
  • 0010126
  • 0039916
  • 010126

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

Keystone Mechanical INC has 29 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 ~9 mi in New York City

The p90 footprint of where Keystone Mechanical INC has pulled permits in New York City — drawn from all 29 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC29
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Showing 20 of 24 permits by Keystone Mechanical INC in the indexed window · most recent first

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Jul 14, 2021
115 Central Park West, Manhattan, NY 10023
Multifamily Alteration
$6K
Oct 20, 2020
148 Post Avenue, Manhattan, NY 10034
Commercial HVAC
$93K
Mar 10, 2017
101 West 81st Street, Manhattan, NY 10024
Multifamily Alteration
Residential
Sep 18, 2015
applied Sep 17, 2015
176 East 77 Street, Manhattan, NY 10075
Multifamily Alteration
Residential
Nov 5, 2014
100 8th Avenue, Manhattan, NY 10011
Multifamily Alteration
Residential
Oct 6, 2014
151 East 80 Street, Manhattan, NY 10028
Multifamily Alteration
Residential
Jun 4, 2014
100 8th Avenue, Manhattan, NY 10011
Multifamily Alteration
Residential
Feb 19, 2014
1700 Grand Concourse, Bronx, NY 10457
Multifamily Alteration
Residential
May 1, 2013
249 Church Street, Manhattan, NY 10013
Multifamily Alteration
Apr 17, 2012
175 Varick Street, Manhattan, NY 10014
Commercial HVAC
Apr 17, 2012
175 Varick Street, Manhattan, NY 10014
Commercial HVAC
Feb 9, 2012
37-24 33 Street, Queens, NY 11101
Multifamily Alteration
Feb 9, 2012
37-24 33 Street, Queens, NY 11101
Multifamily Alteration
Feb 9, 2012
37-24 33 Street, Queens, NY 11101
Multifamily Alteration
Jan 25, 2011
546 W 142 Street, Manhattan, NY 10031
Multifamily Alteration
Residential
Dec 23, 2010
1160 5 Ave, Manhattan, NY 10029
Multifamily Alteration
Residential
Dec 8, 2010
1040 Park Avenue, Manhattan, NY 10028
Multifamily Alteration
Residential
Jun 2, 2009
20-10 Seagirt Blv, Queens, NY 11691
Multifamily Alteration
Residential
Mar 3, 2009
111 East 56 Street, Manhattan, NY 10022
Commercial HVAC
Apr 20, 2007
151 East 80 Street, Manhattan, NY 10028
Multifamily Alteration
Sites Keystone Mechanical INC returns to6 in New York City

Addresses where Keystone Mechanical INC 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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