CORNERSTONE MECHANICAL IN
CORNERSTONE MECHANICAL IN has filed 19 building permits in New York City since 2020, closing 92% of 13 rated permits. 6 permits remain open. Primarily files mechanical permits. 15.4 points above the city median of 76.9%. Busiest year: 2021 with 5 permits.
92%
19
Construction Permits
6
Currently Open
13
Rate-Eligible
permits > 1yr old
2020–2026
Years Active
Closure rate based on permits older than 1 year. "Issued" and "Stop Work" statuses are excluded.
Performance by Permit Type
Mechanical12 rated
91.7% closed vs 83% median, 8.8 points higher
General Construction1 rated
100.0% closed vs 74% median, 25.8 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
2026(YTD)
—
Open2
Closed1
Too early to rate — permits need 1 year to mature
2025
—
Open3
Closed0
Too early to rate — permits need 1 year to mature
2024
80.0%
Open1
Closed4
4 closed / 5 rated
2022
100.0%
Open0
Closed2
2 closed / 2 rated
2021
100.0%
Open0
Closed5
5 closed / 5 rated
2020
100.0%
Open0
Closed1
1 closed / 1 rated
All Permits
19 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | M00770263-I1-MS | Mechanical Systems | 101 WEST 10 STREET, MANHATTAN, New York | Jun 3, 2026<1yr | Oct 19, 2026 | $50,000 |
| Open | M01370130-I1-MS | Mechanical Systems | 230 RIVERSIDE DRIVE, MANHATTAN, New York | May 7, 2026<1yr | Oct 19, 2026 | $30,000 |
| Closed | Q01313036-I1-MS | Mechanical Systems | 234-01 MERRICK BOULEVARD, QUEENS, New York | Jan 22, 2026<1yr | Mar 31, 2026 | $15,000 |
| Open | M01280907-I1-MS | Mechanical Systems | 445 6 AVENUE, MANHATTAN, New York | Dec 18, 2025<1yr | Jan 1, 2026 | $100,000 |
| Open | B01231458-S2-MS | Mechanical Systems | 90 8 AVENUE, BROOKLYN, New York | Oct 7, 2025<1yr | Jan 1, 2026 | $10,000 |
| Open | B01169074-S2-MS | Mechanical Systems | 877 UNION STREET, BROOKLYN, New York | Jun 24, 2025<1yr | Jan 1, 2026 | $45,000 |
| Closed | B00327953-I1-MS | Mechanical Systems | 820 LINCOLN PLACE, BROOKLYN, New York | Dec 18, 2024 | Mar 31, 2025 | $21,000 |
| Closed | M01059323-S2-MS | Mechanical Systems | 75 BANK STREET, MANHATTAN, New York | Nov 14, 2024 | Jan 1, 2025 | $100,000 |
| Closed | Q01121734-I1-MS | Mechanical Systems | 37-05 108 STREET, QUEENS, New York | Oct 31, 2024 | Oct 19, 2025 | $60,000 |
| Closed | M01025155-S1-MS | Mechanical Systems | 302 MOTT STREET, MANHATTAN, New York | May 17, 2024 | Oct 19, 2024 | $16,000 |
| Open | B00574257-I1-MS | Mechanical Systems | 634 MONROE STREET, BROOKLYN, New York | Mar 6, 2024 | Mar 31, 2024 | $25,200 |
| Closed | M00788118-I1-MS | Mechanical Systems | 246 WEST 17 STREET, MANHATTAN, New York | Nov 17, 2022 | Oct 19, 2023 | $40,000 |
| Closed | Q00656789-I1-MS | Mechanical Systems | 35-11 PRINCE STREET, QUEENS, New York | Jan 24, 2022 | Mar 23, 2022 | $20,000 |
| Closed | M00531018-S1-MS | Mechanical Systems | 75 BANK STREET, MANHATTAN, New York | Sep 30, 2021 | Sep 30, 2022 | $13,350 |
| Closed | B00510580-I1-MS | Mechanical Systems | 303 CLERMONT AVENUE, BROOKLYN, New York | Sep 15, 2021 | Sep 15, 2022 | $50,001 |
| Closed | Q00451310-I1-GC | General Construction | 80-35 SPRINGFIELD BOULEVARD, QUEENS, New York | Apr 9, 2021 | Oct 19, 2021 | $0 |
| Closed | M00400100-I1-MS | Mechanical Systems | 14 WEST 4 STREET, MANHATTAN, New York | Feb 11, 2021 | Mar 31, 2021 | $200,000 |
| Closed | B00426750-I1-MS | Mechanical Systems | 298 7 AVENUE, BROOKLYN, New York | Feb 9, 2021 | Mar 31, 2021 | $12,000 |
| Closed | M00272267-I1-MS | Mechanical Systems | 75 BANK STREET, MANHATTAN, New York | Jun 9, 2020 | Mar 31, 2021 | $80,000 |