CORNERSTONE STRUCTURES LL
CORNERSTONE STRUCTURES LL has filed 13 building permits in New York City since 2019, closing 46% of 11 rated permits. 6 permits remain open. Primarily files general construction permits. 31.3 points below the city median of 76.8%. Busiest year: 2023 with 6 permits.
46%
11
Construction Permits
13 total
6
Currently Open
11
Rate-Eligible
permits > 1yr old
2019–2025
Years Active
Closure rate based on permits older than 1 year. "Issued" and "Stop Work" statuses are excluded.
Performance by Permit Type
General Construction6 rated
16.7% closed vs 74% median, 57.5 points lower
Structural3 rated
66.7% closed vs 80% median, 13.7 points lower
Mechanical2 rated
100.0% closed vs 83% median, 17.1 points higher
Median based on all applicants with 20+ rated permits in each category. Only permits older than 1 year are rated.
Year-by-Year Summary
2025
0.0%
Open1
Closed0
0 closed / 1 rated
2024
0.0%
Open1
Closed0
0 closed / 1 rated
2023
66.7%
Open2
Closed4
4 closed / 6 rated
2021
0.0%
Open2
Closed0
0 closed / 2 rated
2019
100.0%
Open0
Closed1
1 closed / 1 rated
All Permits
13 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | B01212852-I1-GC | General Construction | 429 KENT AVENUE, BROOKLYN, New York | May 16, 2025 | Jun 23, 2025 | $100,956 |
| Open | B00931567-I1-GC | General Construction | 345 BUTLER STREET, BROOKLYN, New York | Mar 8, 2024 | Jun 23, 2024 | $111,625 |
| Open | B00881154-I1-ST | Structural | 267 PUTNAM AVENUE, BROOKLYN, New York | Nov 28, 2023 | Dec 31, 2023 | $170,000 |
| Closed | M00887024-S2-ST | Structural | 3225 BROADWAY, MANHATTAN, New York | Sep 8, 2023 | Dec 31, 2023 | $6,500 |
| Closed | M08044874-I1-MS | Mechanical Systems | 3225 BROADWAY, MANHATTAN, New York | Sep 8, 2023 | Dec 31, 2023 | $20,000 |
| Open | M00887024-I1-GC | General Construction | 3225 BROADWAY, MANHATTAN, New York | Sep 8, 2023 | Dec 31, 2023 | $105,500 |
| Closed | B08011687-I1-MS | Mechanical Systems | 267 PUTNAM AVENUE, BROOKLYN, New York | Jul 31, 2023 | Dec 31, 2023 | $31,050 |
| Closed | B08011405-I1-GC | General Construction | 267 PUTNAM AVENUE, BROOKLYN, New York | Jul 31, 2023 | Dec 31, 2023 | $436,954.4 |
| Closed | M00611195-I1-FN | Construction Fence | 443 WEST 54 STREET, MANHATTAN, New York | Oct 18, 2021 | Jul 20, 2022 | $1 |
| Open | B00538423-I1-GC | General Construction | 540 DECATUR STREET, BROOKLYN, New York | Aug 5, 2021 | Sep 26, 2021 | $90,000 |
| Open | B00504523-I1-GC | General Construction | 540 DECATUR STREET, BROOKLYN, New York | Jun 29, 2021 | Sep 26, 2021 | $8,000 |
| Open | M00396018-I1-FN | Construction Fence | 443 WEST 54 STREET, MANHATTAN, New York | Oct 6, 2020 | Sep 26, 2021 | $1 |
| Closed | M00269292-I1-ST | Structural | 444 WEST 55 STREET, MANHATTAN, New York | Dec 21, 2019 | Dec 31, 2020 | $114,270 |