Contractor Profile

Cornerstone Construction

Cornerstone Construction concentrates in multifamily alteration in New York City (85% of its 114 segment-eligible permits), with secondary activity across 2 other segments. Its permit record in New York City spans 1997–2026. Reliable permit valuations total ≈$7.8M (across the 54% of filings with a valuation we can stand behind).

First permit: Aug 15, 1997 (10,589d ago)Latest permit: Jul 13, 2026 (30d ago)
The sales record
Market
New York City
Active
1997–2026 · 29 yrs
Licenses on file
9
Reliable value
$7.8M
Coverage
54%
Reliable filings
49
Rank in New York City
#5,156
Permits (all-time, all segments)
159
Filings 90d
1
Filings 30d
0
Latest permit
Jul 13, 2026
Typical project size$45Ktypically $6K–$150K across 49 valued permits
Where they work
Firmographics
License & registration IDs on file
  • 0005805
  • 0018844
  • 0024216
  • 0036273
  • 0608314
  • 0620618
  • 608314
  • 620618
  • 622418

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

Direct contactNot in our data — we don’t fabricate firmographics.
Monthly activity
Sep ’240–2 permits/moJul ’26
permits per month permit value
Service area

Typical service area ~7 mi in New York City

The p90 footprint of where Cornerstone Construction has pulled permits in New York City — drawn from all 159 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC159
Find Multifamily Alteration contractors near your branchEnter your address — see who’s pulling these permits in your radius.
Recent permitsLargest recent$1.2M· 1136 5 Avenue, Manhattan, NY 10128

Showing 20 of 114 permits by Cornerstone Construction in the indexed window · most recent first

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Jul 13, 2026
334 West 86 Street, Manhattan, NY 10024
Multifamily Alteration
$150K
Apr 18, 2025
27 Bleecker Street, Manhattan, NY 10012
Multifamily Alteration
$25K
Apr 15, 2025
40 East 9 Street, Manhattan, NY 10003
Multifamily Alteration
$1K
Mar 6, 2025
40 East 9 Street, Manhattan, NY 10003
Multifamily Alteration
$15K
Jan 16, 2025
505 West End Avenue, Manhattan, NY 10024
Multifamily Alteration
$1K
Jan 16, 2025
505 West End Avenue, Manhattan, NY 10024
Multifamily Alteration
$60K
Dec 12, 2024
1136 5 Avenue, Manhattan, NY 10128
Multifamily Alteration
$1.2M
Dec 11, 2024
252 West 85 Street, Manhattan, NY 10024
Multifamily Alteration
$152K
Sep 10, 2024
252 West 85 Street, Manhattan, NY 10024
Multifamily Alteration
$152K
Jul 22, 2024
1136 Fifth Avenue, Manhattan, NY 10128
Multifamily Alteration
$120K
Jul 22, 2024
1136 5 Avenue, Manhattan, NY 10128
Multifamily Alteration
$1.2M
Dec 14, 2023
125 East 72 Street, Manhattan, NY 10021
Multifamily Alteration
$11K
Dec 6, 2023
125 East 72 Street, Manhattan, NY 10021
Multifamily Alteration
$150K
Sep 26, 2023
233 Clermont Avenue, Brooklyn, NY 11205
Multifamily Alteration
$40K
Sep 25, 2023
105 Carroll Street, Brooklyn, NY 11231
Multifamily Alteration
$50K
Jul 26, 2023
315 West 86 Street, Manhattan, NY 10024
Multifamily Alteration
$35K
Jul 26, 2023
315 West 86 Street, Manhattan, NY 10024
Multifamily Alteration
$35K
May 25, 2023
998 Amsterdam Avenue, Manhattan, NY 10025
Multifamily Alteration
$48K
May 5, 2023
17 East 89 Street, Manhattan, NY 10128
Multifamily Alteration
$800K
Apr 13, 2023
122 East 82 Street, Manhattan, NY 10028
Multifamily Alteration
$147K
Sites Cornerstone Construction returns to6 in New York City

Addresses where Cornerstone 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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