Walnut St Development LLC
Walnut St Development LLC has filed 55 building permits in Philadelphia since 2018, closing 100% of 37 rated permits. 4 permits remain open.
Also listed as: WALNUT ST DEVELOPMENT LLC (8 permits)
100%
42
Construction Permits
55 total
4
Currently Open
37
Rate-Eligible
permits > 1yr old
2018–2026
Years Active
Closure rate based on permits older than 1 year. “Issued” and “Stop Work” statuses are excluded.
Performance by Permit Type
Building27 rated
100.0% closed vs 90% median, 10.0 points higher
Mechanical10 rated
100.0% closed vs 93% median, 7.1 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
2026(YTD)
—
Open2
Closed0
Too early to rate — permits need 1 year to mature
2025
100.0%
Open2
Closed3
2 closed / 2 rated
2024
100.0%
Open0
Closed1
1 closed / 1 rated
2023
100.0%
Open0
Closed5
5 closed / 5 rated
2022
100.0%
Open0
Closed7
7 closed / 7 rated
2021
100.0%
Open0
Closed8
8 closed / 8 rated
2020
100.0%
Open0
Closed10
10 closed / 10 rated
2019
100.0%
Open0
Closed3
3 closed / 3 rated
2018
100.0%
Open0
Closed1
1 closed / 1 rated
All Permits
55 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | CP-2025-005230 | Commercial Building Permit | 923 S 20TH ST, Philadelphia | Feb 6, 2026<1yr | — | — |
| Open | CP-2025-005265 | Commercial Building Permit | 921 S 20TH ST, Philadelphia | Feb 6, 2026<1yr | — | — |
| Open | ZP-2025-002671 | Zoning Permit | 923 S 20TH ST, Philadelphia | Feb 5, 2026<1yr | — | — |
| Open | ZP-2025-012619 | Zoning Permit | 432 W NORRIS ST, Philadelphia | Jan 21, 2026<1yr | — | — |
| Open | ZP-2025-001615 | Zoning Permit | 921 S 20TH ST, Philadelphia | Oct 1, 2025<1yr | — | — |
| Open | RP-2025-002405 | Residential Building Permit | 2118 FERNON ST, Philadelphia | May 20, 2025<1yr | — | — |
| Open | ZP-2025-001724 | Zoning Permit | 2118 FERNON ST, Philadelphia | Apr 1, 2025<1yr | — | — |
| Open | RP-2025-000429 | Residential Building Permit | 615 S DELHI ST, Philadelphia | Mar 10, 2025<1yr | — | — |
| Closed | CP-2024-006015 | Commercial Building Permit | 1222 S 20TH ST, Philadelphia | Mar 7, 2025<1yr | — | — |
| Closed | CP-2024-006040 | Commercial Building Permit | 1220 S 20TH ST, Philadelphia | Feb 20, 2025 | — | — |
| Closed | CP-2024-006013 | Commercial Building Permit | 1218 S 20TH ST, Philadelphia | Jan 16, 2025 | — | — |
| Open | ZP-2024-012617 | Zoning Permit | 615 S DELHI ST, Philadelphia | Jan 14, 2025 | — | — |
| Closed | ZP-2024-009758 | Zoning Permit | 1222 S 20TH ST, Philadelphia | Nov 13, 2024 | — | — |
| Closed | RP-2024-006709 | Residential Building Permit | 2326 GERRITT ST, Philadelphia | Aug 29, 2024 | — | — |
| Closed | ZP-2024-006748 | Zoning Permit | 2326 GERRITT ST, Philadelphia | Aug 15, 2024 | — | — |
| Closed | ZP-2024-007065 | Zoning Permit | 1218 S 20TH ST, Philadelphia | Aug 12, 2024 | — | — |
| Closed | CP-2023-004900 | Commercial Building Permit | 1127 S 20TH ST, Philadelphia | Nov 6, 2023 | — | — |
| Closed | RP-2023-009184 | Residential Building Permit | 1004 S 19TH ST, Philadelphia | Sep 7, 2023 | — | — |
| Closed | ZP-2023-007277 | Zoning Permit | 1127 S 20TH ST, Philadelphia | Aug 11, 2023 | — | — |
| Closed | RP-2023-001475 | Residential Building Permit | 1006 S 19TH ST, Philadelphia | Aug 2, 2023 | — | — |
| Closed | CP-2023-003277 | Commercial Building Permit | 1825 N 17TH ST, Philadelphia | Jun 14, 2023 | — | — |
| Closed | CP-2022-006837 | Commercial Building Permit | 2335 WHARTON ST, Philadelphia | Mar 18, 2023 | — | — |
| Closed | CP-2022-002955 | Commercial Building Permit | 1731 W MONTGOMERY AVE, Philadelphia | Oct 11, 2022 | — | — |
| Closed | MP-2021-008162 | Mechanical / Fuel Gas Permit | 430 MIFFLIN ST, Philadelphia | Aug 22, 2022 | — | — |
| Closed | CP-2022-002103 | Commercial Building Permit | 1817 N 18TH ST, Philadelphia | Aug 19, 2022 | — | — |
| Closed | CP-2022-003151 | Commercial Building Permit | 1940 N 18TH ST, Philadelphia | Jul 25, 2022 | — | — |
| Closed | CP-2022-002120 | Commercial Building Permit | 1825 N 17TH ST, Philadelphia | Jul 6, 2022 | — | — |
| Closed | ZP-2022-004653 | Zoning Permit | 1731 W MONTGOMERY AVE, Philadelphia | Jun 28, 2022 | — | — |
| Closed | CP-2022-002122 | Commercial Building Permit | 1841 N 17TH ST, Philadelphia | Jun 20, 2022 | — | — |
| Closed | MP-2021-007974 | Mechanical / Fuel Gas Permit | 1836 WILLINGTON ST, Philadelphia | Apr 13, 2022 | — | — |
| Open | ZP-2022-003404 | Zoning Permit | 1925 N 18TH ST, Philadelphia | Apr 4, 2022 | — | — |
| Closed | MP-2021-008144 | Mechanical / Fuel Gas Permit | 611 S DELHI ST, Philadelphia | Dec 23, 2021 | — | — |
| Closed | RP-2021-015978 | Residential Building Permit | 430 MIFFLIN ST, Philadelphia | Dec 3, 2021 | — | — |
| Closed | RP-2021-017953 | Residential Building Permit | 611 S DELHI ST, Philadelphia | Dec 2, 2021 | — | — |
| Closed | RP-2021-015889 | Residential Building Permit | 1836 WILLINGTON ST, Philadelphia | Nov 23, 2021 | — | — |
| Closed | MP-2021-000994 | Mechanical / Fuel Gas Permit | 1725 N GRATZ ST, Philadelphia | Feb 19, 2021 | — | — |
| Closed | RP-2021-000326 | Residential Building Permit | 1529 S WOODSTOCK ST, Philadelphia | Feb 5, 2021 | — | — |
| Closed | RP-2020-013727 | Residential Building Permit | 1725 N GRATZ ST, Philadelphia | Jan 28, 2021 | — | — |
| Closed | MP-2021-000242 | Mechanical / Fuel Gas Permit | 1919 BROWN ST, Philadelphia | Jan 13, 2021 | — | — |
| Closed | RP-2020-005857 | Residential Building Permit | 1919 BROWN ST, Philadelphia | Dec 2, 2020 | — | — |
| Closed | MP-2020-003965 | Mechanical / Fuel Gas Permit | 1630 N MARSHALL ST, Philadelphia | Sep 18, 2020 | — | — |
| Closed | MP-2020-003460 | Mechanical / Fuel Gas Permit | 1702 N GRATZ ST, Philadelphia | Sep 2, 2020 | — | — |
| Closed | MP-2020-002159 | Mechanical / Fuel Gas Permit | 1739 N GRATZ ST, Philadelphia | Jul 14, 2020 | — | — |
| Closed | 1042323 | Residential Building Permit | 1739 N GRATZ ST, Philadelphia | Mar 11, 2020 | — | — |
| Closed | 1025359 | Residential Building Permit | 1517 S BOUVIER ST, Philadelphia | Feb 24, 2020 | — | — |
| Closed | 1041799 | Administrative Permit | 2467 JASPER ST, Philadelphia | Feb 24, 2020 | — | — |
| Closed | 1047270 | Residential Building Permit | 1702 N GRATZ ST, Philadelphia | Feb 19, 2020 | — | — |
| Closed | 1039514 | Residential Building Permit | 1630 N MARSHALL ST, Philadelphia | Feb 4, 2020 | — | — |
| Closed | 1046241 | Mechanical / Fuel Gas Permit | 2467 JASPER ST, Philadelphia | Jan 31, 2020 | — | — |
| Closed | 1046237 | Mechanical / Fuel Gas Permit | 445 DUDLEY ST, Philadelphia | Jan 31, 2020 | — | — |
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