MAMMOTH INC
MAMMOTH INC has filed 40 building permits in New York City since 2019, closing 73% of 26 rated permits. 10 permits remain open.
73%
30
Construction Permits
40 total
10
Currently Open
26
Rate-Eligible
permits > 1yr old
2019–2026
Years Active
Closure rate based on permits older than 1 year. “Issued” and “Stop Work” statuses are excluded.
Performance by Permit Type
General Construction16 rated
75.0% closed vs 74% median, 1.1 points higher
Mechanical4 rated
75.0% closed vs 83% median, 7.5 points lower
Structural4 rated
75.0% closed vs 80% median, 5.0 points lower
Foundation2 rated
50.0% closed vs 64% median, 14.4 points lower
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)
—
Open1
Closed0
Too early to rate — permits need 1 year to mature
2025
—
Open2
Closed1
Too early to rate — permits need 1 year to mature
2024
0.0%
Open3
Closed0
0 closed / 3 rated
2023
60.0%
Open2
Closed3
3 closed / 5 rated
2022
84.6%
Open2
Closed11
11 closed / 13 rated
2021
100.0%
Open0
Closed3
3 closed / 3 rated
2019
100.0%
Open0
Closed2
2 closed / 2 rated
All Permits
40 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | S01303890-I1-GC-CX | Foundation | 2285 RICHMOND TERRACE, STATEN ISLAND, New York | Jan 21, 2026<1yr | Mar 12, 2026 | $55,000 |
| Open | S00804314-I1-GC-CX | Foundation | 58 COOPER AVENUE, STATEN ISLAND, New York | Dec 31, 2025<1yr | Mar 12, 2026 | $500,000 |
| Open | S00586459-I1-GC-CX | Foundation | 60 COOPER AVENUE, STATEN ISLAND, New York | Dec 30, 2025<1yr | Mar 12, 2026 | $500,000 |
| Closed | S01308520-I1-GC | General Construction | 2900 AMBOY ROAD, STATEN ISLAND, New York | Dec 2, 2025<1yr | Mar 12, 2026 | $6,500 |
| Closed | S01308520-S1-FN | Construction Fence | 2900 AMBOY ROAD, STATEN ISLAND, New York | Dec 2, 2025<1yr | Mar 12, 2026 | $1,000 |
| Open | S00954037-I1-FN | Construction Fence | 58 COOPER AVENUE, STATEN ISLAND, New York | Oct 15, 2025<1yr | Mar 12, 2026 | $1,000 |
| Closed | B01273989-I1-CC | Curb Cut | 1530 EAST 38 STREET, BROOKLYN, New York | Oct 3, 2025<1yr | Mar 12, 2026 | $3,500 |
| Open | S01059194-I1-GC | General Construction | 740 SHARROTS ROAD, STATEN ISLAND, New York | Jul 25, 2024 | Mar 12, 2025 | $30,000 |
| Closed | S00992404-I1-CC | Curb Cut | 25 OCEAN DRIVEWAY, STATEN ISLAND, New York | Jun 7, 2024 | Mar 12, 2025 | $2,500 |
| Open | S01041876-I1-GC | General Construction | 236 RICHMOND VALLEY ROAD, STATEN ISLAND, New York | May 23, 2024 | Mar 12, 2025 | $200,000 |
| Open | S00607199-S5-MS | Mechanical Systems | 2323 RICHMOND TERRACE, STATEN ISLAND, New York | Apr 1, 2024 | Mar 12, 2025 | $43,000 |
| Closed | S00984696-I1-CC | Curb Cut | 2323 RICHMOND TERRACE, STATEN ISLAND, New York | Feb 12, 2024 | Nov 15, 2024 | $10,000 |
| Closed | S00687960-I1-CC | Curb Cut | 2323 RICHMOND TERRACE, STATEN ISLAND, New York | Feb 12, 2024 | Nov 15, 2024 | $75,000 |
| Closed | S00607199-S2-ST | Structural | 2323 RICHMOND TERRACE, STATEN ISLAND, New York | Nov 28, 2023 | Nov 15, 2024 | $5,000 |
| Closed | S00607199-S6-FO | Foundation | 2323 RICHMOND TERRACE, STATEN ISLAND, New York | Jul 10, 2023 | Jul 10, 2024 | $0 |
| Open | S00607199-I1-GC | General Construction | 2323 RICHMOND TERRACE, STATEN ISLAND, New York | Jul 7, 2023 | Jul 16, 2023 | $1,500,000 |
| Closed | M00822912-I1-ST | Structural | 220 EAST 54 STREET, MANHATTAN, New York | Jun 14, 2023 | Apr 1, 2024 | $20,000 |
| Open | S00608225-S1-GC-CX | Structural | 91 ELLIS STREET, STATEN ISLAND, New York | Feb 28, 2023 | Jul 16, 2023 | $75,000 |
| Closed | S08010886-I1-GC | General Construction | 158 PAGE AVENUE, STATEN ISLAND, New York | Dec 20, 2022 | Jul 16, 2023 | $1,500 |
| Closed | S08010887-I1-GC | General Construction | 158 PAGE AVENUE, STATEN ISLAND, New York | Dec 20, 2022 | Jul 16, 2023 | $3,500 |
| Closed | S08010885-I1-GC | General Construction | 158 PAGE AVENUE, STATEN ISLAND, New York | Dec 20, 2022 | Jul 16, 2023 | $1,500 |
| Closed | S08010883-I1-GC | General Construction | 158 PAGE AVENUE, STATEN ISLAND, New York | Dec 20, 2022 | Jul 16, 2023 | $2,500 |
| Closed | S08010884-I1-GC | General Construction | 158 PAGE AVENUE, STATEN ISLAND, New York | Dec 20, 2022 | Jul 16, 2023 | $2,500 |
| Closed | S08010888-I1-GC | General Construction | 158 PAGE AVENUE, STATEN ISLAND, New York | Dec 20, 2022 | Jul 16, 2023 | $3,700 |
| Closed | S08031957-I1-GC | General Construction | 158 PAGE AVENUE, STATEN ISLAND, New York | Dec 19, 2022 | Jul 16, 2023 | $5,000 |
| Open | S00608225-I1-GC-CX | Earth Work | 91 ELLIS STREET, STATEN ISLAND, New York | Dec 8, 2022 | Jul 16, 2023 | $750,000 |
| Closed | S08010868-I1-FN | Construction Fence | 91 ELLIS STREET, STATEN ISLAND, New York | Oct 13, 2022 | Oct 13, 2023 | $2,000 |
| Closed | S00639079-I1-GC | General Construction | 2319 RICHMOND TERRACE, STATEN ISLAND, New York | Aug 29, 2022 | Aug 29, 2023 | $450,000 |
| Open | S00612350-I1-GC-CX | General Construction | 2281P RICHMOND TERRACE, STATEN ISLAND, New York | Jun 16, 2022 | Jun 16, 2023 | $75,000 |
| Closed | S00660975-I1-GC | General Construction | 2281P RICHMOND TERRACE, STATEN ISLAND, New York | Mar 16, 2022 | Mar 16, 2023 | $450,000 |
| Closed | S00400891-I1-MS | Mechanical Systems | 211 CANAL STREET, STATEN ISLAND, New York | Feb 9, 2022 | Feb 9, 2023 | $54,000 |
| Closed | S00323919-I1-MS | Mechanical Systems | 2656 HYLAN BOULEVARD, STATEN ISLAND, New York | Feb 3, 2022 | Jul 16, 2022 | $120,000 |
| Closed | S00604010-I1-GC | General Construction | 280 MARSH AVENUE, STATEN ISLAND, New York | Oct 21, 2021 | Jan 21, 2022 | $426,200 |
| Closed | S00472903-I1-GC | General Construction | 2656 HYLAN BOULEVARD, STATEN ISLAND, New York | Mar 15, 2021 | Jul 16, 2021 | $1,500,000 |
| Closed | S00451150-I1-GC | General Construction | 2656 HYLAN BOULEVARD, STATEN ISLAND, New York | Feb 24, 2021 | Jul 16, 2021 | $63,600 |
| Closed | M00221443-I1-FN | Construction Fence | 350 FIRST AVENUE, MANHATTAN, New York | Dec 2, 2019 | Aug 6, 2020 | $1,000 |
| Closed | M00218861-I1-ST | Structural | 350 FIRST AVENUE, MANHATTAN, New York | Dec 2, 2019 | Jan 31, 2021 | $150,036.9 |
| Closed | M00216137-I1-MS | Mechanical Systems | 350 FIRST AVENUE, MANHATTAN, New York | Nov 29, 2019 | Aug 6, 2020 | $195,000.21 |
| Open | S00138491-I1-FN | Construction Fence | 161 HEREFORD STREET, STATEN ISLAND, New York | Jul 23, 2019 | Jan 31, 2021 | $1,000 |
| Open | S00059678-I1-FN | Construction Fence | 119 SATTERLEE STREET, STATEN ISLAND, New York | Jun 25, 2019 | Jul 16, 2019 | $3,000 |