BLACK DIAMOND DEVEL LLC
BLACK DIAMOND DEVEL LLC has filed 8 building permits in New York City since 2019, closing 75% of 4 rated permits. 2 permits remain open.
75%
5
Construction Permits
8 total
2
Currently Open
4
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 Construction2 rated
50.0% closed vs 74% median, 23.9 points lower
Mechanical2 rated
100.0% closed vs 83% median, 17.5 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
—
Open1
Closed0
Too early to rate — permits need 1 year to mature
2024
50.0%
Open1
Closed1
1 closed / 2 rated
2022
100.0%
Open0
Closed1
1 closed / 1 rated
2021
100.0%
Open0
Closed1
1 closed / 1 rated
All Permits
8 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | X01323466-I1-GC | General Construction | 853 TIFFANY STREET, BRONX, New York | Dec 19, 2025<1yr | Jul 25, 2026 | $80,220 |
| Closed | B00974289-I1-GC | General Construction | 1308 EAST 85 STREET, BROOKLYN, New York | Dec 2, 2024 | Jul 25, 2025 | $0 |
| Open | Q00851355-I1-GC | General Construction | 62-60 60 STREET, QUEENS, New York | Sep 25, 2024 | Jul 25, 2025 | $11,960 |
| Closed | B00300786-I1-MS | Mechanical Systems | 42 DEVOE STREET, BROOKLYN, New York | Aug 12, 2022 | Jul 25, 2023 | $44,000 |
| Closed | B00348447-I1-MS | Mechanical Systems | 117 AINSLIE STREET, BROOKLYN, New York | Nov 15, 2021 | Jul 25, 2022 | $15,000 |
| Closed | B00386948-I1-FN | Construction Fence | 42 DEVOE STREET, BROOKLYN, New York | Aug 19, 2020 | Jul 25, 2021 | $1,000 |
| Closed | B00386883-I1-FN | Construction Fence | 117 AINSLIE STREET, BROOKLYN, New York | Aug 19, 2020 | Jul 25, 2021 | $1,000 |
| Closed | B00146766-I1-FN | Construction Fence | 117 AINSLIE STREET, BROOKLYN, New York | Oct 25, 2019 | Jul 25, 2020 | $1,000 |