Cornerstone Structures Ll
Cornerstone Structures Ll is a diversified New York City contractor — 51 segment-eligible permits spanning 5 segments, led by multifamily alteration (51%) and temporary construction support (29%). Its permit record in New York City spans 2016–2025.
- Market
- New York City
- Active
- 2016–2025 · 9 yrs
- Licenses on file
- 2
- Reliable value
- —
- Coverage
- —
- Reliable filings
- —
- Rank in New York City
- #8,409
- Permits (all-time, all segments)
- 87
- Filings 90d
- 0
- Filings 30d
- 0
- Latest permit
- May 16, 2025
- 0616128
- 616128
As named in the permit records — identifiers we surface, not verified state licensure.
Cornerstone Structures Ll has 87 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.
Monthly value isn’t shown: too few of Cornerstone Structures Ll’s permits carry a reliable valuation, so we publish the count trend only rather than a value line built from gaps.
Typical service area ~6 mi in New York City
The p90 footprint of where Cornerstone Structures Ll has pulled permits in New York City — drawn from all 87 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- NYC87
Showing 20 of 51 permits by Cornerstone Structures Ll in the indexed window · most recent first
May 16, 2025 | 429 Kent Avenue, Brooklyn, NY 11249 | Multifamily Alteration | $101K |
Mar 8, 2024 | 345 Butler Street, Brooklyn, NY 11217 | Commercial Alteration | $112K |
Sep 8, 2023 | 3225 Broadway, Manhattan, NY 10027 | Commercial Alteration | $106K |
Sep 8, 2023 | 3225 Broadway, Manhattan, NY 10027 | Commercial Alteration | $7K |
Jul 31, 2023 | 267 Putnam Avenue, Brooklyn, NY 11216 | Residential MEP Residential | $31K |
Jul 22, 2022 | 443 West 54 Street, Manhattan, NY 10019 | Temporary Construction Support | $1 ⚠ |
Jul 15, 2022 | 443 West 54 Street, Manhattan, NY 10019 | Temporary Construction Support | $1 ⚠ |
Jul 13, 2022 | 1370 Dean Street, Brooklyn, NY 11216 | Multifamily Alteration Residential | — |
Jun 6, 2022 applied May 25, 2022 | 349 West 19th Street, Manhattan, NY 10011 | Multifamily Alteration Residential | — |
Dec 3, 2021 | 1370 Dean Street, Brooklyn, NY 11216 | Multifamily Alteration Residential | — |
Dec 3, 2021 | 1370 Dean Street, Brooklyn, NY 11216 | Multifamily Alteration Residential | — |
Dec 3, 2021 | 1370 Dean Street, Brooklyn, NY 11216 | Multifamily Alteration Residential | — |
Dec 3, 2021 | 1370 Dean Street, Brooklyn, NY 11216 | Temporary Construction Support Residential | — |
Oct 18, 2021 | 443 West 54 Street, Manhattan, NY 10019 | Temporary Construction Support | $1 ⚠ |
Dec 31, 2020 | 443 West 54th Street, Manhattan, NY 10019 | Multifamily Alteration Residential | — |
Dec 31, 2020 | 443 West 54th Street, Manhattan, NY 10019 | Multifamily Alteration Residential | — |
Oct 6, 2020 | 443 West 54 Street, Manhattan, NY 10019 | Temporary Construction Support | $1 ⚠ |
Jul 27, 2020 | 443 West 54th Street, Manhattan, NY 10019 | Multifamily Alteration Residential | — |
Jul 27, 2020 | 443 West 54th Street, Manhattan, NY 10019 | Multifamily Alteration Residential | — |
Dec 21, 2019 | 444 West 55 Street, Manhattan, NY 10019 | Commercial Alteration | $114K |
Addresses where Cornerstone Structures Ll 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.
- Orbit Plbg & Htg INC4,742 multifamily alteration
- The Plumbing Company INC3,247 multifamily alteration
- G. Bauer, INC3,147 multifamily alteration
- Abilene, INC3,136 multifamily alteration
- C C Controlled Combustion2,589 multifamily alteration
- Squan Construction Servic2,432 multifamily alteration
Put Cornerstone Structures Ll 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.