COMPANY RECORD · PHILADELPHIA, PA
Lorenzon Bros Co — permit history in Philadelphia, PA
Lorenzon Bros Co appears on 64 Philadelphia permit records from 2021 through 2026, most often building (98.4% of the record).
Latest permits
| Issued | Category | Address in source | Scope as filed |
|---|---|---|---|
| 2026-10-26 | Building | 4000 LOCUST ST | FOR A LEVEL II INTERIOR ALTERATIONS (NO CHANGE IN OCCUPANCY ).FOR AN ELEVATOR UPGRADE. ALL WORK TO BE DONE PER APPROVED PLANS.** IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER |
| 2026-07-10 | Building | 3200 WALNUT ST | FOR STRUCTURAL WORK TO INCLUDE RAILINGS AND SUPPORTS AS PER APPROVED PLANS. |
| 2026-06-24 | Building | 3220-60 SOUTH ST | FOR EXTERIOR ALTERATIONS (REPAIR OF EXTERIOR STAIRS) AS PER APPROVED PLANS AND IN ACCORDANCE WITH 2018 IEBC AND PHC APPROVAL. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK. |
| 2026-05-19 | Building | 3300 CHESTNUT ST | FOR A CONCRETE WORK AS PER APPROVED PLANS. |
| 2026-04-27 | Building | 3317-33 CHESTNUT ST | FOR LEVEL II ALTERATIONS TO INCLUDE REPAIRS, THRESHOLDS, FIXTURES, FURNISHINGS, FINISHES AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR MEP AND FIRE SUPPRESSION WORK. |
The 5 most recent filings; the full list is further down.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Building | 63 | 98.4% |
| Mechanical | 1 | 1.6% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2021 | 9 |
| 2022 | 15 |
| 2023 | 11 |
| 2024 | 14 |
| 2025 | 9 |
| 2026 | 6 |
Busiest year on record: 2022, with 15 permits. One project can account for several filings, so read this as filing activity rather than workload.
Names on the same project timelines
| Name in source | Linked permits | Last seen |
|---|---|---|
| Pmc Mechanical Enterprise, LLC | 17 | 2026-06-12 |
| Oliver Sprinkler Co., Inc. | 10 | 2026-06-09 |
| West Chester Mechanical Contractors Inc | 10 | 2023-12-27 |
| Shelly Electric Co Inc | 9 | 2025-11-05 |
| Pmc Mechanical, LP | 7 | 2023-02-22 |
| Frank Fisher Inc | 6 | 2025-12-02 |
| Gem Mechanical Services Inc | 4 | 2024-06-18 |
| Independence Fire Sprinkler Company | 3 | 2025-07-16 |
| Palman Electric Inc | 3 | 2022-01-04 |
| Jj White Inc. | 3 | 2024-05-03 |
| Collins & Collins Mechanical | 2 | 2024-11-22 |
| Allstates Mechanical Ltd | 2 | 2025-10-06 |
38 named participants share a resolved project timeline with Lorenzon Bros Co. A shared timeline is a research lead, not proof of a partnership or a current contract. Names appear as the authority published them.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 4000 LOCUST ST | 2026-10-26 |
| 3200 WALNUT ST | 2026-07-10 |
| 3220-60 SOUTH ST | 2026-06-24 |
| 3300 CHESTNUT ST | 2026-05-19 |
| 3317-33 CHESTNUT ST | 2026-04-27 |
| 4301-15 WISSAHICKON AVE | 2026-04-27 |
| 220-60 S 33RD ST | 2025-10-21 |
| 2075 E CUMBERLAND ST | 2025-08-28 |
| 3401 CURIE BLVD | 2025-08-14 |
| 501 OSLER CIR | 2025-06-16 |
| 3600-90 WALNUT ST | 2025-05-07 |
| 102-04 BETHLEHEM PIKE | 2025-02-11 |
| 3400-50 CHESTNUT ST | 2024-12-07 |
| 800 S 20TH ST | 2024-12-06 |
39 distinct addresses on record; the 14 most recent are shown. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Also named on permits at the same addresses
| Company | Shared addresses | Years |
|---|---|---|
| Hatzel & Buehler Inc | 7 | 2021–2026 |
| Oliver Sprinkler Co., Inc. | 6 | 2021–2026 |
| Pmc Mechanical Enterprise, LLC | 5 | 2021–2026 |
| Palman Electric Inc | 4 | 2021–2026 |
| Flatiron Building Company | 4 | 2021–2026 |
| West Chester Mechanical Contractors Inc | 4 | 2021–2026 |
| Frank Fisher Inc | 3 | 2021–2026 |
| P Agnes Inc | 3 | 2021–2026 |
Companies that also appear in Philadelphia permit records at addresses where Lorenzon Bros Co filed, in any year. Sharing an address is a documented co-appearance, not proof that they worked on the same project or with each other.
Permits on record
64 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| CP-2026-006152 | 2026-10-26 | Building | 4000 LOCUST ST | FOR A LEVEL II INTERIOR ALTERATIONS (NO CHANGE IN OCCUPANCY ).FOR AN ELEVATOR UPGRADE. ALL WORK TO BE DONE PER APPROVED PLANS.** IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER | |
| CP-2026-003859 | 2026-07-10 | Building | 3200 WALNUT ST | FOR STRUCTURAL WORK TO INCLUDE RAILINGS AND SUPPORTS AS PER APPROVED PLANS. | |
| CP-2026-002752 | 2026-06-24 | Building | 3220-60 SOUTH ST | FOR EXTERIOR ALTERATIONS (REPAIR OF EXTERIOR STAIRS) AS PER APPROVED PLANS AND IN ACCORDANCE WITH 2018 IEBC AND PHC APPROVAL. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK. | |
| CP-2026-002533 | 2026-05-19 | Building | 3300 CHESTNUT ST | FOR A CONCRETE WORK AS PER APPROVED PLANS. | |
| CP-2026-001550 | 2026-04-27 | Building | 3317-33 CHESTNUT ST | FOR LEVEL II ALTERATIONS TO INCLUDE REPAIRS, THRESHOLDS, FIXTURES, FURNISHINGS, FINISHES AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR MEP AND FIRE SUPPRESSION WORK. | |
| CP-2026-001686 | 2026-04-27 | Building | 4301-15 WISSAHICKON AVE | FOR LEVEL II ALTERATIONS TO INCLUDE NEW ROLL UP GATES, INFILLS, REPAIRS AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR MEP AND FIRE SUPPRESSION WORK. | |
| CP-2025-004866 | 2025-10-21 | Building | 220-60 S 33RD ST | FOR LEVEL II INTERIOR ALTERATIONS TO LABORATORY SPACES- M52, M74 AND M76 WITHIN TOWNE BUILDING PER APPROVED PLANS. ALTERATIONS TO INCLUDE THE ERECTION OF PARTITION WALLS, PROVIDE F | |
| CP-2025-003761 | 2025-09-26 | Building | 220-60 S 33RD ST | FOR THE LEVEL II ALTERATIONS TO AN EXISTING ELEVATOR AND ELEVATOR MECHANICAL ROOM IN AN EXISTING STRUCTURE. FOR USE AS PREVIOUSLY APPROVED. AS PER APPROVED PLANS. ********SEPARATE | |
| CP-2025-001591 | 2025-08-28 | Building | 2075 E CUMBERLAND ST | FOR THE REPLACEMENT OF BOILER PLANT AND HYDRONIC DISTRIBUTION SYSTEM. INSTALLATION OF NEW ROOF TOP AIR COOLED CHILLER. AND INSTALLATION OF NEW STAIRS FROM THE ELECTRICAL ROOM IN TH | |
| CP-2025-002653 | 2025-08-14 | Building | 3401 CURIE BLVD | FOR THE ERECTION OF AN ADDITION ABOVE THE EXISTING STRUCTURE. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER PRIOR TO THE START OF ANY WOR | |
| CP-2025-002976 | 2025-06-16 | Building | 501 OSLER CIR | FOR A LEVEL I INTERIOR ALTERATIONS TO AN EXISTING LABORATORY SPACE (LAB #625) . BUILDING IS BE FULLY SPRINKLERED.N** ALL WORK TO BE DONE PER APPROVED PLANS.** IF FIELD CONDITIONS | |
| CP-2025-001811 | 2025-05-07 | Building | 3600-90 WALNUT ST | FOR LEVEL II ALTERATIONS TO INCLUDE WALKWAY REPAIRS AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK. | |
| CP-2024-005036 | 2025-02-11 | Building | 102-04 BETHLEHEM PIKE | FOR LEVEL II ALTERATIONS TO INCLUDE EXTERIOR REPAIRS, EXTERIOR RAMPS AND STAIRS, NEW PARTITIONS, FIXTURES, FURNISHINGS, FINISHES, DOORS AS PER APPROVED PLANS. SEPARATE PERMITS REQU | |
| CP-2025-000279 | 2025-02-02 | Building | 3200 WALNUT ST | FOR THE INSTALLATION OF EXTERIOR ROOF ACCESS LADDERS PER APPROVED PLANS. | |
| CP-2024-005678 | 2025-01-03 | Building | 3200 WALNUT ST | FOR EXTERIOR WORK ONLY. **FOR THE INSTALLATION OF OF A TRASH COMPACTOR AND ASSOCIATED WORK** | |
| CP-2024-006244 | 2024-12-07 | Building | 3400-50 CHESTNUT ST | FOR LEVEL II ALTERATIONS TO AN EXISTING EDUCATIONAL FACILITY( SILVERMAN HALL~OFFICE 145) AS PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER PRIOR TO THE START | |
| CP-2024-005814 | 2024-12-06 | Building | 800 S 20TH ST | FOR THE ERECTION OF CMU WALL, CONCRETE PAD AND CHAIN LINK FENCE AS PER APPROVED PLANS. | |
| CP-2024-003272 | 2024-10-09 | Building | 3600 PINE ST | FOR LEVEL II INTERIOR ALTERATIONS WITH NO CHANGE OF OCCUPANCY TO ANATOMY CHEMISTRY WING, G-1; FOR THE CONSTRUCTION OF AN UNCOVERED EXTERIOR RAMP, ALTERATIONS TO EXTERIOR BUILDING E | |
| CP-2024-003555 | 2024-09-18 | Building | 3401 CURIE BLVD | FOR THE ERECTION OF AN AWNING AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR ANY MEP WORK. | |
| CP-2024-004612 | 2024-09-18 | Building | 221 S 34TH ST | FOR AN ALTERATION TO A PORTION OF AN EXITING STRUCTURE. STRUCTURAL WORK TO BE LIMITED TO WALL INFILL. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIG | |
| CP-2024-002823 | 2024-08-07 | Building | 3441-55 WALNUT ST | For level II interior alterations with no change in use as per approved plans. | |
| CP-2024-001389 | 2024-07-22 | Building | 3220-60 SOUTH ST | FOR LEVEL I ALTERATIONS TO AN EXISTING BUSINESS OCCUPANCY, ALTERATIONS TO INCLUDE WINDOW REPLACEMENT, AND PROVIDE FINISHES/FURNISHINGS THROUGHOUT. ALL WORK TO BE DONE PER APPROVED | |
| CP-2024-002857 | 2024-06-13 | Building | 7100 HENRY AVE | FOR LEVEL II ALTERATION TO INCLUDE NEW PARTITIONS AND STRUCTURAL WORK AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR MEP WORK. | |
| CP-2024-002773 | 2024-06-07 | Building | 1901-05 WALNUT ST | FOR THE REPLACEMENT OF ROOF, INSTALLATION OF SPRAY FOAM INSULATION AND THE REPAIR OF DETERIORATED CONCRETE TO AN EXISTING STRUCTURE. FOR USE AS PREVIOUSLY APPROVED. AS PER APPROVED | |
| CP-2024-000959 | 2024-06-06 | Building | 6101 N FRONT ST | FOR MASOMRY WALL REPAIRS AND WINDOW AND DOOR REPLACEMENT AS PER PLANS. | |
| CP-2024-001945 | 2024-05-23 | Building | 3201-59 WALNUT ST | FOR LEVEL II ALTERATIONS WITH NO CHANGE IN OCCUPANCY. SEPARATE PERMITS REQUIRED FOR MECHANICAL, ELECTRICAL, PLUMBING AND FIRE SUPPRESSION. | |
| CP-2024-001947 | 2024-04-16 | Building | 3201-59 WALNUT ST | FOR A LEVEL II INTERIOR ALTERATIONS (NO CHANGE OF OCCUPANCY) FOR RENOVATIONS TO EXISTING LABS (315) & (431) ON THE 3RD AND 4TH FLOOR OF AN EDUCATIONAL FACILITY (LABORATORY FOR RES | |
| CP-2023-006820 | 2024-04-09 | Building | 220-30 S 34TH ST | FOR LEVEL II INTERIOR ALTERATIONS TO AN EXISTING TENANT SPACE. ALTERATIONS TO INCLUDE THE ERECTION OF PARTITION WALLS, PROVIDE FINISHES/FURNISHINGS, THE INSTALLATION OF TWO (2) EQU | |
| CP-2024-000480 | 2024-02-28 | Building | 3401 CURIE BLVD | FOR LEVEL I ALTERATIONS TO AN EXISTING MECHANICAL ROOM, ACCESSORY TO AN EXISTING ACADEMIC BUILDING (FAGIN HALL), ALTERATIONS TO INCLUDE REMOVAL & REPLACEMENT OF EXTERIOR WALL AND I | |
| CP-2023-005113 | 2023-11-16 | Building | 3900 DELANCEY ST | FOR LEVEL II ALTERATIONS TO AN EXISTING TENANT SPACE FOR USE AS A VETERINARY HOSPITAL, ALTERATIONS TO INCLUDE THE ERECTION OF PARTITION WALLS, PROVIDE FINISHES/FURNISHINGS AND ACCE | |
| CP-2023-006126 | 2023-11-15 | Building | 3401 CURIE BLVD | FOR LEVEL 2 ALTERATIONS TO OFFICES WITHIN AN EXISTING STRUCTURE AS PER PLANS. | |
| CP-2023-005176 | 2023-10-24 | Building | 220-60 S 33RD ST | FOR LEVEL I INTERIOR ALTERATIONS WITH NO CHANGE IN USE & OCCUPANCY CLASSIFICATION TO ROOM 103C. ALL WORK TO BE DONE PER APPROVED PLANS AND IN ACCORDANCE WITH 2018 IEBC. SEPARATE PE | |
| CP-2023-005657 | 2023-10-22 | Building | 3600 PINE ST | LEVEL II INTERIOR ALTERATIONS (NO CHANGE IN OCCUPANCY ). ALTERATIONS TO BE PERFORMED PER APPROVED PLANS. ALL WORK TO BE DONE PER APPROVED PLANS.** IF FIELD CONDITIONS VARY CONTACT | |
| CP-2023-005357 | 2023-10-20 | Building | 630-48 N 66TH ST | FOR EXTERIOR ALTERATIONS AND OTHER ALTERATIONS FOR MECHANICAL EQUIPEMENT AS PER PLANS. | |
| CP-2023-002231 | 2023-06-05 | Building | 3600 PINE ST | LEVEL II INTERIOR ALTERATIONS (NO CHANGE OF OCCUPANCY) FOR RENOVATIONS TO AN EXISTING STRUCTURE. (John Morgan Building, G-16, Building ID 1545548). PARTIAL DEMO AND ALTERATIONS T | |
| CP-2023-001931 | 2023-04-17 | Building | 3501 SPRUCE ST | FOR INTERIOR LEVEL 2 ALTERATIONS FOR ELEVATOR MACHINE ROOM AS PER PLANS. | |
| CP-2023-000902 | 2023-03-30 | Building | 3220-60 SOUTH ST | FOR THE ENCLOSURE OF EXISTING 1-STORY PORTION OF STRUCTURE TO INCREASE GFA. FOR LEVEL II ALTERATIONS TO INCLUDE NEW PARTITIONS, DOORS, CASEWORK, FINISHES AS PER APPROVED PLANS. SEP | |
| CP-2023-000977 | 2023-03-27 | Building | 3400-50 CHESTNUT ST | FOR LEVEL II ALTERATIONS TO AN EXISTING STRUCTURE TO INCLUDE THE REMOVAL AND REPLACEMENT OF EXISTING DOORS, AND PROVIDE FINISHES/FURNISHINGS FOR REPLACEMENT DOORS. FOR USE AS PREV | |
| CP-2023-000995 | 2023-03-20 | Building | 3400-50 CHESTNUT ST | FOR LEVEL II INTERIOR ALTERATIONS (WITH NO CHANGE IN OCCUPANCY) PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR MECHANICAL, ELECTRICAL, PLUMBING AND FIRE SUPPRESSION. | |
| CP-2023-001369 | 2023-03-16 | Building | 4140-48 WOODLAND AVE | MAKE SAFE PERMIT TO COMPLY WITH CASE VIOLATION CF-2023-013611 TO INCLUDE REPAIRS/REPLACEMENT TO FIRE-DAMAGE ROOF FRAMING AND SHEATHING PER APPROVED PLANS AND IN ACCORDANCE WITH COD | |
| CP-2022-005936 | 2022-12-19 | Building | 3700-12 SPRUCE ST | FOR LEVEL 1 EXTERIOR ALTERATIONS/REPAIR FOR CONCRETE AND STEEL WORK TO AN EXISTING MIXED OCCUPANCY AS PER PLANS. SEPARATE STREETS DEPARTMENT APPROVAL REQUIRED FOR RIGHT-OF-WAY ENCR | |
| CP-2022-006555 | 2022-12-06 | Building | 3400-50 CHESTNUT ST | LEVEL II INTERIOR ALTERATIONS (NO CHANGE OF OCCUPANCY) FOR RENOVATIONS TO AN EXISTING UNIVERSITY FACILITY (GOLKIN HALL - I-10) AS PER APPROVED PLANS. *2018 IEBC REVIEW* | |
| CP-2022-006050 | 2022-11-08 | Building | 3600-90 WALNUT ST | For installation of an exterior retractable awning within existing building footprint over an existing roof deck as per approved plans. | |
| CP-2022-003236 | 2022-10-06 | Building | 1501-39 MARKET ST | NEW STOREFRONT AND ASSOCIATED IMPROVEMENT TO THE AREA C OF COUNCOURSE LEVEL IN THE SEPTA SUBURBAN STATION AS PER APPROVED PLAN. | |
| CP-2022-003176 | 2022-08-08 | Building | 221 S 34TH ST | FOR LEVEL II ALTERATIONS TO AN EXISTING STRUCTURE. ALTERATIONS TO INCLUDE THE ERECTION OF PARTITION WALLS, PROVIDE FINISHES/FURNISHINGS, AND ACCESSIBILITY IMPROVEMENTS THROUGHOUT. | |
| CP-2022-002996 | 2022-08-03 | Building | 3819-31 CHESTNUT ST | FOR INTERIOR ALTERATIONS TO EXISTING SUITES #130, #300, and #400 of an existing office building, to include new interior partitions and interior finishes, as per approved plans. | |
| CP-2022-000458 | 2022-07-29 | Building | 1114-50 S 5TH ST | FOR LEVEL 2 ALTERATIONS TO THE EXISTING STRUCTURE FOR HVAC RENOVATIONS AS PER PLANS. SEPARATE PERMITS ARE REQUIRE FOR ALL MECHANICAL WORK. | |
| CP-2022-002805 | 2022-06-09 | Building | 3100 WALNUT ST | FOR THE ERECTION OF AN EXTERIOR RAMP AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED ANY OTHER WORK. | |
| CP-2022-001158 | 2022-06-01 | Building | 3600-90 WALNUT ST | FOR INTERIOR LEVEL 2 ALTERATIONS AS PER PLANS. | |
| CP-2021-007394 | 2022-06-01 | Building | 8060 WILLIAMS AVE | FOR LEVEL 2 ALTERATIONS TO THE EXISTING STRUCTURE AS PER PLANS. SEPARATE PERMIT IS REQUIRED FOR MECHANICAL WORK. |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Search these records
The 64 permits above are a static record through 2026. Select a year above to open that year’s records, or search Lorenzon Bros Co in Philadelphia, PA by address, trade or date range.
Source and limits
Public Philadelphia permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →
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