KEYSTONE BUILDERS GROUP*
KEYSTONE BUILDERS GROUP* has filed 135 building permits in New York City since 2021, closing 89% of 102 rated permits. 35 permits remain open. Primarily files general construction permits. 12.4 points above the city median of 76.8%. Busiest year: 2025 with 43 permits.
89%
135
Construction Permits
35
Currently Open
102
Rate-Eligible
permits > 1yr old
2021–2026
Years Active
Closure rate based on permits older than 1 year. "Issued" and "Stop Work" statuses are excluded.
Performance by Permit Type
General Construction54 rated
87.0% closed vs 74% median, 12.8 points higher
Mechanical42 rated
92.9% closed vs 83% median, 10.0 points higher
Structural6 rated
83.3% closed vs 80% median, 2.9 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)
—
Open14
Closed1
Too early to rate — permits need 1 year to mature
2025
72.0%
Open17
Closed26
18 closed / 25 rated
2024
84.0%
Open4
Closed21
21 closed / 25 rated
2023
100.0%
Open0
Closed27
27 closed / 27 rated
2022
100.0%
Open0
Closed24
24 closed / 24 rated
2021
100.0%
Open0
Closed1
1 closed / 1 rated
All Permits
135 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | M01374440-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | May 15, 2026<1yr | Nov 18, 2026 | $70,000 |
| Open | M01375703-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | May 14, 2026<1yr | Nov 18, 2026 | $10,000 |
| Open | M01375688-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | May 12, 2026<1yr | Nov 18, 2026 | $40,000 |
| Open | M01383698-I1-GC | General Construction | 85 EAST END AVENUE, MANHATTAN, New York | Apr 28, 2026<1yr | Nov 18, 2026 | $110,000 |
| Open | M01387189-S1-MS | Mechanical Systems | 325 NORTH END AVENUE, MANHATTAN, New York | Apr 27, 2026<1yr | Nov 18, 2026 | $10,000 |
| Open | M01387189-I1-GC | General Construction | 325 NORTH END AVENUE, MANHATTAN, New York | Apr 23, 2026<1yr | Nov 18, 2026 | $40,000 |
| Open | M01375688-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Apr 3, 2026<1yr | Nov 18, 2026 | $160,000 |
| Open | M01375703-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Apr 3, 2026<1yr | Nov 18, 2026 | $40,000 |
| Open | M01374440-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Mar 25, 2026<1yr | Nov 18, 2026 | $280,000 |
| Open | M01336240-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | Mar 12, 2026<1yr | Nov 18, 2026 | $80,000 |
| Open | M01342978-S1-MS | Mechanical Systems | 325 NORTH END AVENUE, MANHATTAN, New York | Feb 20, 2026<1yr | Nov 18, 2026 | $30,000 |
| Open | M01342978-I1-GC | General Construction | 325 NORTH END AVENUE, MANHATTAN, New York | Feb 11, 2026<1yr | Nov 18, 2026 | $120,000 |
| Open | M01336240-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Jan 29, 2026<1yr | Nov 18, 2026 | $320,000 |
| Open | M01264509-I1-GC | General Construction | 189 ALLEN STREET, MANHATTAN, New York | Jan 14, 2026<1yr | Nov 18, 2026 | $35,400 |
| Closed | M01294901-S1-MS | Mechanical Systems | 152 WEST 57 STREET, MANHATTAN, New York | Jan 5, 2026<1yr | Jun 5, 2026 | $22,000 |
| Closed | M01294901-I1-GC | General Construction | 152 WEST 57 STREET, MANHATTAN, New York | Dec 18, 2025<1yr | Jun 5, 2026 | $98,260 |
| Open | M01313424-I1-GC | General Construction | 1725 YORK AVENUE, MANHATTAN, New York | Dec 10, 2025<1yr | Nov 18, 2026 | $275,000 |
| Open | M01312879-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Nov 25, 2025<1yr | Nov 18, 2026 | $280,000 |
| Open | M01312879-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | Nov 24, 2025<1yr | Nov 18, 2026 | $70,000 |
| Closed | M01313633-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Nov 17, 2025<1yr | Jun 5, 2026 | $40,000 |
| Closed | M01313633-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | Nov 17, 2025<1yr | Jun 5, 2026 | $10,000 |
| Open | M01311637-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | Nov 6, 2025<1yr | Nov 6, 2026 | $80,000 |
| Open | M01311637-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Nov 6, 2025<1yr | Nov 6, 2026 | $320,000 |
| Closed | M01261517-I1-MS | Mechanical Systems | 600 FIFTH AVENUE, MANHATTAN, New York | Sep 11, 2025<1yr | Dec 6, 2025 | $24,998.61 |
| Closed | M01261498-I1-GC | General Construction | 600 FIFTH AVENUE, MANHATTAN, New York | Sep 11, 2025<1yr | Dec 6, 2025 | $82,336.8 |
| Open | M01256518-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | Sep 2, 2025<1yr | Sep 2, 2026 | $90,000 |
| Closed | M01247819-S1-MS | Mechanical Systems | 325 NORTH END AVENUE, MANHATTAN, New York | Aug 5, 2025<1yr | Jun 5, 2026 | $50,000 |
| Open | M01256518-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Jul 31, 2025<1yr | Jul 31, 2026 | $360,000 |
| Closed | M01247819-I1-GC | General Construction | 325 NORTH END AVENUE, MANHATTAN, New York | Jul 10, 2025<1yr | Jun 5, 2026 | $200,000 |
| Open | M01174715-I1-GC | General Construction | 85 EAST END AVENUE, MANHATTAN, New York | Jun 27, 2025<1yr | Jun 27, 2026 | $298,000 |
| Open | M01241168-I1-GC | General Construction | 785 PARK AVENUE, MANHATTAN, New York | Jun 24, 2025<1yr | Jun 24, 2026 | $56,250 |
| Open | M01185384-I1-MS | Mechanical Systems | 85 EAST END AVENUE, MANHATTAN, New York | Jun 24, 2025<1yr | Jun 24, 2026 | $609,750 |
| Closed | M01205102-I1-GC | General Construction | 85 EAST END AVENUE, MANHATTAN, New York | Jun 18, 2025<1yr | Jun 5, 2026 | $25,000 |
| Open | M01217973-I1-GC | General Construction | 437 MADISON AVENUE, MANHATTAN, New York | Jun 3, 2025 | Jun 3, 2026 | $378,900 |
| Open | M01217977-I1-MS | Mechanical Systems | 437 MADISON AVENUE, MANHATTAN, New York | Jun 3, 2025 | Jun 3, 2026 | $36,120 |
| Open | M01221784-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | May 22, 2025 | May 22, 2026 | $130,000 |
| Open | M01221784-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | May 16, 2025 | May 16, 2026 | $520,000 |
| Open | M01092673-S7-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | May 13, 2025 | May 13, 2026 | $150,000 |
| Closed | M01086238-I1-MS | Mechanical Systems | 170 WEST 225 STREET, MANHATTAN, New York | May 8, 2025 | May 8, 2026 | $100,000 |
| Closed | M01086180-I1-GC | General Construction | 170 WEST 225 STREET, MANHATTAN, New York | May 8, 2025 | May 8, 2026 | $300,000 |
| Open | M01195924-I1-GC | General Construction | 85 EAST END AVENUE, MANHATTAN, New York | Apr 25, 2025 | Apr 25, 2026 | $775,000 |
| Closed | M01206981-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | Apr 21, 2025 | Apr 21, 2026 | $90,000 |
| Closed | M01206981-I1-GC | General Construction | 400 EAST 84 STREET, MANHATTAN, New York | Apr 14, 2025 | Apr 14, 2026 | $360,000 |
| Closed | M01172381-S1-MS | Mechanical Systems | 325 NORTH END AVENUE, MANHATTAN, New York | Mar 11, 2025 | Dec 6, 2025 | $20,000 |
| Closed | M01173131-S1-MS | Mechanical Systems | 400 EAST 84 STREET, MANHATTAN, New York | Feb 27, 2025 | Feb 27, 2026 | $100,000 |
| Open | M01174731-I1-GC | General Construction | 85 EAST END AVENUE, MANHATTAN, New York | Feb 27, 2025 | Feb 27, 2026 | $150,000 |
| Closed | M01126395-I1-GC | General Construction | 85 EAST END AVENUE, MANHATTAN, New York | Feb 19, 2025 | Dec 6, 2025 | $100,000 |
| Closed | M01172381-I1-GC | General Construction | 325 NORTH END AVENUE, MANHATTAN, New York | Feb 13, 2025 | Dec 6, 2025 | $80,000 |
| Closed | M01146817-S1-MS | Mechanical Systems | 152 WEST 57 STREET, MANHATTAN, New York | Feb 13, 2025 | Jun 5, 2025 | $3,000 |
| Closed | M01146817-I1-GC | General Construction | 152 WEST 57 STREET, MANHATTAN, New York | Feb 13, 2025 | Jun 5, 2025 | $76,850 |
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