Contractor Profile

Cornerstone Contracting C

Name shown as recorded. This name is cut off at 25 characters by the New York City source. The full name is not published in any NYC dataset, so we show exactly what the record contains.

Cornerstone Contracting C concentrates in multifamily alteration in New York City (73% of its 33 segment-eligible permits), with secondary activity across 2 other segments. Its permit record in New York City spans 2009–2023.

First permit: May 5, 2009 (6,325d ago)Latest permit: Jan 10, 2023 (1,327d ago)
The sales record
Market
New York City
Active
2009–2023 · 14 yrs
Licenses on file
2
Reliable value
Coverage
Reliable filings
Rank in New York City
#12,333
Permits (all-time, all segments)
50
Filings 90d
0
Filings 30d
0
Latest permit
Jan 10, 2023
Typical project sizeNot enough valued permits to summarize.
Where they work
Firmographics
License & registration IDs on file
  • 0602557
  • 602557

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

Cornerstone Contracting C has 50 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 Cornerstone Contracting C has pulled permits in New York City — drawn from all 50 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC50
Find Multifamily Alteration contractors near your branchEnter your address — see who’s pulling these permits in your radius.

Showing 20 of 33 permits by Cornerstone Contracting C in the indexed window · most recent first

Sort
Jan 10, 2023
145 Central Park West, Manhattan, NY 10023
Multifamily Alteration
$185K
Jan 10, 2023
145 Central Park West, Manhattan, NY 10023
Multifamily Alteration
$185K
Jun 8, 2022
145 Central Park West, Manhattan, NY 10023
Multifamily Alteration
$185K
Jun 8, 2022
145 Central Park West, Manhattan, NY 10023
Multifamily Alteration
$185K
Jul 9, 2019
30 Grove Street, Manhattan, NY 10014
Residential Foundation-Only
Residential
Jul 9, 2019
30 Grove Street, Manhattan, NY 10014
Residential Foundation-Only
Residential
Feb 11, 2019
30 Grove Street, Manhattan, NY 10014
Residential Foundation-Only
Residential
Feb 11, 2019
30 Grove Street, Manhattan, NY 10014
Residential Foundation-Only
Residential
Feb 23, 2018
applied Dec 15, 2017
30 Grove Street, Manhattan, NY 10014
Residential Foundation-Only
Residential
Jan 23, 2018
30 Grove Street, Manhattan, NY 10014
Residential Foundation-Only
Residential
Dec 15, 2017
30 Grove Street, Manhattan, NY 10014
Residential Foundation-Only
Residential
Jul 14, 2017
1120 Fifth Avenue, Manhattan, NY 10128
Multifamily Alteration
Jul 14, 2017
1120 Fifth Avenue, Manhattan, NY 10128
Multifamily Alteration
Residential
Oct 19, 2016
400 East 52nd Street, Manhattan, NY 10022
Multifamily Alteration
Residential
Oct 19, 2016
400 East 52nd Street, Manhattan, NY 10022
Multifamily Alteration
Residential
Jun 13, 2016
1120 Fifth Avenue, Manhattan, NY 10128
Multifamily Alteration
Jun 13, 2016
applied Jun 10, 2016
1120 Fifth Avenue, Manhattan, NY 10128
Multifamily Alteration
Residential
Jun 12, 2015
applied Jun 8, 2015
145 Central Park West, Manhattan, NY 10023
Multifamily Alteration
Jun 12, 2015
applied Jun 8, 2015
145 Central Park West, Manhattan, NY 10023
Multifamily Alteration
Residential
Nov 26, 2014
145 Central Park West, Manhattan, NY 10023
Multifamily Alteration
Sites Cornerstone Contracting C returns to6 in New York City

Addresses where Cornerstone Contracting C 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.

Other top Multifamily Alteration contractors in New York City
See the full New York City Multifamily Alteration leaderboard →

Put Cornerstone Contracting C on your call list.

Watch this contractor, get a daily email when they pull a new permit, and explore New York City permits in the Market Explorer — enriched and parcel-joined.