COMPANY RECORD · PHILADELPHIA, PA
William Guyon — permit history in Philadelphia, PA
William Guyon appears on 80 Philadelphia permit records from 2021 through 2026, most often residential building (81.2% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Residential Building | 65 | 81.2% |
| Building | 10 | 12.5% |
| Zoning | 4 | 5% |
| Mechanical | 1 | 1.2% |
4 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2021 | 14 |
| 2022 | 12 |
| 2023 | 11 |
| 2024 | 21 |
| 2025 | 16 |
| 2026 | 6 |
Busiest year on record: 2024, with 21 permits. One project can account for several filings, so read this as filing activity rather than workload.
PROJECTS AHEAD SEARCH
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This page is a snapshot of William Guyon. The search behind it holds more than 242,223 Philadelphia permits naming a contractor, since 2021: 82,008 plumbing permits, 51,127 electrical permits, 25,710 mechanical permits, 25,367 residential building permits, 24,512 zoning permits.
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Names on the same project timelines
| Name in source | Linked permits | Last seen |
|---|---|---|
| Thomas D. Lepore | 29 | 2026-06-08 |
| Downtown Mechanical LLC | 24 | 2025-12-02 |
| John Marx | 21 | 2024-05-08 |
| Galle Electric LLC | 12 | 2026-06-04 |
| Rich Lepore | 11 | 2024-09-20 |
| Oneida Fire Protection Inc | 8 | 2025-06-17 |
| Eagle Electrical Construction Co Inc | 6 | 2025-02-19 |
| Thomas Uhl | 6 | 2026-05-19 |
| Bedri Allaraj | 5 | 2025-12-18 |
| Anthony Casile | 5 | 2025-01-31 |
| D'narpo Electrical | 3 | 2024-03-13 |
| Lepore Plumbing & Sons Inc | 3 | 2025-10-09 |
30 named participants share a resolved project timeline with William Guyon. 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 |
|---|---|
| 1416 S 56TH ST | 2026-08-31 |
| 1135 PIERCE ST | 2026-07-22 |
| 1944 S 29TH ST | 2026-07-22 |
| 2520 S 17TH ST | 2026-07-17 |
| 2307 NAUDAIN ST | 2026-04-25 |
| 1506-08 E PASSYUNK AVE | 2026-03-31 |
| 2124 SAINT ALBANS ST | 2025-11-20 |
| 1713 NORTH ST | 2025-11-20 |
| 1267 S 28TH ST | 2025-10-29 |
| 755 N TAYLOR ST | 2025-10-27 |
| 753 N TAYLOR ST | 2025-10-27 |
| 2035 S NORWOOD ST | 2025-10-13 |
| 627 S 42ND ST | 2025-06-26 |
| 1911 S 12TH ST | 2025-06-04 |
70 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 |
|---|---|---|
| Thomas D. Lepore | 33 | 2021–2026 |
| Downtown Mechanical LLC | 27 | 2021–2026 |
| John Marx | 21 | 2021–2024 |
| Oneida Fire Protection Inc | 9 | 2021–2026 |
| Grosso Concrete LLC | 8 | 2023–2025 |
| Thomas Uhl | 7 | 2021–2026 |
| Bedri Allaraj | 6 | 2024–2026 |
| Anthony Casile | 6 | 2022–2026 |
Companies that also appear in Philadelphia permit records at addresses where William Guyon 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
80 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| RP-2026-006483 | 2026-08-31 | Residential Building | 1416 S 56TH ST | interior renovation of an existing two family structure, details as shown in the plans. | |
| RP-2026-004787 | 2026-07-22 | Residential Building | 1135 PIERCE ST | FOR THE INTERIOR ALTERATION AND RENOVATION WITH A 3RD AND 4TH STORY ADDITION OVER THE EXISTING SINGLE-FAMILY STRUCTURE WITH A ROOF DECK ACCESSED FROM THE 4TH FLOOR REAR, AS PER THE | |
| CP-2026-003369 | 2026-07-22 | Building | 1944 S 29TH ST | FOR LEVEL II INTERIOR ALTERATIONS WITH A COMPLETE CHANGE IN USE AND OCCUPANCY CLASSIFICATION TO THREE (3) DWELLING UNITS (GROUP R-2). BUILDING TO BE FULLY SPRINKLERED PER NFPA 13R. | |
| RP-2026-005557 | 2026-07-17 | Residential Building | 2520 S 17TH ST | INTERIOR RENOVATIONS AND FOR THE ERECTION OF AN ADDITION AT THE REAR OF AN EXISTING ATTACHED STRUCTURE. DETAILS AS SHOWN ON THE APPLICATION/PLANS. FOR NO CHANGE OF HEIGHT OR REAR Y | |
| RP-2026-001695 | 2026-04-25 | Residential Building | 2307 NAUDAIN ST | FOR STRUCTURAL MODIFICATION OF THE REAR EXTERIOR WALL AND FOR INTERIOR ALTERATIONS TO AN EXISTING SINGLE-FAMILY STRUCTURE AS PER APPROVED PLAN. *SEPARATE PERMITS REQUIRED FOR ELECT | |
| CP-2026-000564 | 2026-03-31 | Building | 1506-08 E PASSYUNK AVE | INTERIOR ALTERATION TO EXTEND THE EXISTING DAY CARE USE ON THE 3RD FLOOR OF AN EXISTNG STRUCTURE. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN EN | |
| RP-2025-000231 | 2025-11-20 | Residential Building | 2124 SAINT ALBANS ST | FOR THE ERECTION OF A THIRD FLOOR ADDITION WITH A ROOF DECK AND PILOT HOUSE AND ALTERATIONS THROUGHOUT AN EXISTING ATTACHED STRUCTURE USED AS A SINGLE-FAMILY DWELLING; SIZE AND LOC | |
| RP-2025-010535 | 2025-11-20 | Residential Building | 1713 NORTH ST | EZ PERMIT STANDARDS ALTERATIONS- For alterations to an Existing One Family Dwelling as per attached standard. Deviations from this standard will result in permit revocation and req | |
| ZP-2025-001956 | 2025-10-29 | Zoning | 1267 S 28TH ST | FOR THE ERECTION OF AN ATTACHED BUILDING WITH A ROOF DECK AND ROOF DECK ACCESS STRUCTURE. SIZE AND LOCATION AS SHOWN ON PLANS. | |
| RP-2025-001999 | 2025-10-27 | Residential Building | 755 N TAYLOR ST | **2018 IBC REVIEW ** FOR THE ERECTION OF AN ATTACHED FOUR (4) STORY STRUCTURE WITH GARAGE, BALCONY, AND ROOF ACCESS STRUCTURE FOR ACCESS TO AN OCCUPIABLE ROOF DECK. STRUCTURE FOR | |
| RP-2025-001998 | 2025-10-27 | Residential Building | 753 N TAYLOR ST | FOR THE ERECTION OF AN ATTACHED FOUR (4) STORY STRUCTURE WITH GARAGE, BALCONY, AND ROOF ACCESS STRUCTURE FOR ACCESS TO AN OCCUPIABLE ROOF DECK. STRUCTURE FOR USE AS SINGLE-FAMILY | |
| RP-2025-009663 | 2025-10-13 | Residential Building | 2035 S NORWOOD ST | FOR INTERIOR ALTERATIONS TO AN EXISTING ATTACHED STRUCTURE USED AS A TWO-FAMILY DWELLING AS PER BUILDING APPLICATION/PLAN. | |
| CP-2025-004641 | 2025-10-13 | Building | 1506-08 E PASSYUNK AVE | FOR A LEVEL II INTERIOR ALTERATIONS TO AN EXISTING TENANT SPACE . ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN PROFESSIONAL PRIOR TO THE START O | |
| RP-2025-004995 | 2025-06-26 | Residential Building | 627 S 42ND ST | FOR ALTERATIONS TO THE FIRST FLOOR OF AN EXISTING ATTACHED STRUCTURE TO BE USED AS A SINGLE-FAMILY DWELLING (C.O.) AS PER BUILDING APPLICATION/PLAN. NO WORK TO THE FRONT FACADE, WI | |
| RP-2024-007019 | 2025-06-04 | Residential Building | 1911 S 12TH ST | FOR THE CONSTRUCTION OF AN ATTACHED STRUCTURE WITH BASEMENT AND ROOF DECK ACCESSED BY A ROOF DECK ACCESS STRUCTURE. FOR USE AS A SINGLE-FAMILY HOUSEHOLD LIVING. AS PER APPROVED PL | |
| RP-2024-007014 | 2025-06-04 | Residential Building | 1909 S 12TH ST | FOR UNDERPINNING AND FOR THE CONSTRUCTION OF AN ATTACHED STRUCTURE WITH CELLAR AND ROOF DECK ACCESSED BY A ROOF DECK ACCESS STRUCTURE. FOR USE AS SINGLE-FAMILY HOUSEHOLD LIVING. A | |
| RP-2024-007093 | 2025-06-04 | Residential Building | 1913 S 12TH ST | FOR THE CONSTRUCTION OF AN ATTACHED STRUCTURE WITH BASEMENT AND ROOF DECK ACCESSED BY A ROOF DECK ACCESS STRUCTURE. FOR USE AS A SINGLE-FAMILY HOUSEHOLD LIVING. AS PER APPROVED PL | |
| RP-2025-001581 | 2025-04-28 | Residential Building | 1214 LATONA ST | For the partial demolition and erection of an addition to an existing attached structure, to include a roof deck with a pilot house, underpinning of the existing foundation, and in | |
| RP-2025-003199 | 2025-04-24 | Residential Building | 1821 MIFFLIN ST | FOR THE ERECTION OF A DECK AT THE REAR AND LEVEL III ALTERATIONS WITH PARTIAL CHANGE OF OCCUPANCY (NO CHANGE OF OCCUPANCY CLASSIFICATION, GROUP R-3 TO GROUP R-3) TO CREATE A TWO-FA | |
| ZP-2025-001957 | 2025-04-10 | Zoning | 1813 N CROSKEY ST | FOR THE ERECTION OF AN ATTACHED STRUCTURE WITH A ROOF DECK AND A ROOF DECK ACCESS STRUCTURE. SIZE AND LOCATION AS SHOWN ON THE PLAN. | |
| RP-2024-012254 | 2025-02-03 | Residential Building | 5128 WALTON AVE | FOR INTERIOR ALTERATIONS TO AN EXISTING SEMI-DETACHED SINGLE-FAMILY DWELLING AS PER APPROVED PLAN. *SEPARATE PERMITS REQUIRED FOR ELECTRICAL, PLUMBING, AND MECHANICAL WORK* **UNDER | |
| RP-2024-012583 | 2025-01-21 | Residential Building | 634 PINE ST | FOR INTERIOR ALTERATIONS TO AN EXISTING ATTACHED SINGLE-FAMILY DWELLING AS PER APPROVED PLAN. *SEPARATE PERMITS REQUIRED FOR ELECTRICAL, PLUMBING, AND MECHANICAL WORK* **UNDERPINNI | |
| CP-2024-004229 | 2024-11-15 | Building | 200 QUARRY ST | EXTERIOR ALTERATIONS FOR FACADE RESTORATION TO INCLUDE WINDOW/DOOR INSTALLATION IN EXISTING OPENINGS, STRUCTURAL REPAIRS AND NEW LINTEL INSTALLATION AS PER APPROVED PLANS AND PHC A | |
| RP-2024-010108 | 2024-10-23 | Residential Building | 634 PINE ST | FOR STRUCTURAL REPAIR TO AN EXISTING REAR DETACHED GARAGE; SIZE AND LOCATION AS PER APPLICATION/PLAN. | |
| RP-2024-006740 | 2024-10-22 | Residential Building | 524 PIERCE ST | FOR THE ERECTION OF AN ATTACHED TWO STORY STRUCTURE FOR USE AS A SINGLE FAMILY HOUSEHOLD LIVING. BUILDING TO BE SPRINKLERED IN ACCORDANCE WITH NFPA 13D. ALL WORK TO BE DONE PER APP | |
| CP-2023-006212 | 2024-08-17 | Building | 1615-17 MCKEAN ST | FOR THE LEVEL III ALTERATIONS TO AN EXISTING TWO STORY BUILDING FOR THE USE OF EXISTING PERSONAL VEHICLE REPAIR AND MAINTENANCE AT FIRST FLOOR AND TWO FAMILY DWELLINGS AT SECOND FL | |
| RP-2024-008377 | 2024-07-31 | Residential Building | 1616 CATHARINE ST | EZ Permit Standards: Alterations Obtain permits for alterations and renovations of an Existing One Family Dwelling | |
| RP-2024-006681 | 2024-07-29 | Residential Building | 2116 PINE ST | For the addition of a roof deck and for interior and exterior alterations to an existing attached single-family dwelling per plans. Separate permits are required for all associated | |
| MP-2024-003313 | 2024-07-27 | Mechanical | 1231-33 FEDERAL ST | Mechanical / Fuel Gas Permit for combo CP-2024-001413 For the installation of new HVAC appliances and one (1) wood stove as per approved plans and in accordance with 2018 IMC and | |
| CP-2024-001413 | 2024-07-24 | Building | 1231-33 FEDERAL ST | FOR LEVEL III INTERIOR ALTERATIONS, FACADE ALTERATIONS, LOWERING OF THE BASEMENT SLAB, PARTIAL DEMOLITION AT THE 2ND FLOOR REAR, AND THE ERECTION OF LOWER AND UPPER ROOF DECKS WITH | |
| RP-2024-003175 | 2024-06-21 | Residential Building | 1933 S ALDER ST | FOR ERECTION OF A THIRD-FLOOR ADDITION WITH ROOF DECK AND ROOF ACCESS STRUCTURE TO AN EXISTING SINGLE FAMILY ATTACHED STRUCTURE WITH EXISTING BASEMENT TO BE UNDERPINNED AS PER APPR | |
| RP-2024-005322 | 2024-06-03 | Residential Building | 2020 S CROSKEY ST | For interior and exterior alterations to an existing attached structure to convert for the use as a two-family dwelling per plans. Separate permits are required for all associated | |
| ZP-2024-005576 | 2024-05-31 | Zoning | 1944 S 29TH ST | Residential - Household Living - Multi-Family | |
| RP-2024-004568 | 2024-05-22 | Residential Building | 1505 S FRANKLIN ST | FOR NEW CONSTRUCTION OF AN ATTACHED BUILDING WITH REAR BALCONY. BUILDING TO BE FULLY SPRINKLERED WITH NFPA 13D. SEPARATE PERMITS REQUIRED FOR MECHANICAL, ELECTRICAL, PLUMBING AND | |
| RP-2024-003788 | 2024-04-11 | Residential Building | 627 DUDLEY ST | EZ PERMIT STANDARDS ALTERATIONS- For alterations to an Existing One Family Dwelling as per attached standard. Deviations from this standard will result in permit revocation and req | |
| RP-2023-012736 | 2024-04-01 | Residential Building | 2022 S HEMBERGER ST | Interior alterations to the existing 2 family 2 story attached building with new rear second floor deck. details as shown on plan. | |
| RP-2024-002562 | 2024-03-25 | Residential Building | 711 SPRUCE ST | **Existing Philadelphia Historic Property** EZ PERMIT STANDARDS ALTERATIONS- For alterations to an Existing One Family Dwelling as per attached standard. Deviations from this stan | |
| RP-2024-000874 | 2024-03-22 | Residential Building | 1919 DICKINSON ST | FOR ALTERATIONS TO AN EXISTING ATTACHED STRUCTURE AS PER APPLICATION/PLANS AND IN ACCORDANCE WITH THE 2018 IEBC. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK. | |
| RP-2023-010352 | 2024-02-29 | Residential Building | 1909 OLYMPIA PL | FOR ELIMINATION OF INTERIOR GARAGE AND INTERIOR ALTERATION OF AN EXISTING STRUCTURE TO CONTINUOUS USE AS SINGLE-FAMILY DWELLING. THE EXISTING. SIZE AND LOCATION AS SHOWN ON THE PLA | |
| RP-2024-001075 | 2024-02-29 | Residential Building | 627 DUDLEY ST | In accordance with Code Bulletin PM-1801, a PA professional engineer is required to monitor repairs made under this permit. The engineer must submit a sealed statement to the Depar | |
| RP-2023-013429 | 2024-02-15 | Residential Building | 1342 MOORE ST | FOR ALTERATIONS TO AN EXISTING STRUCTURE PER PLAN/APPLICATION TO BE USED AS SINGLE-FAMILY HOUSEHOLD LIVING. WORK TO COMPLY THE VIOLATIONS IN CF-2023-126257 | |
| RP-2023-011177 | 2024-02-14 | Residential Building | 1223 S ALDER ST | For interior alterations to an existing attached single-family dwelling per plans. Separate permits are required for all associated Mechanical, Electrical, and Plumbing work. Basem | |
| RP-2023-011929 | 2024-01-04 | Residential Building | 1917 PEMBERTON ST | RENOVATION OF TWO-FAMILY DWELLING TO INCLUDE BASEMENT EGRESS OPENING **AMENDMENT 9/6/2024 CHANGE OF DPRC-SI** | |
| RP-2023-008580 | 2023-11-02 | Residential Building | 2304 E GORDON ST | FOR NEW CONSTRUCTION OF AN ATTACHED THREE-STORY BUILDING WITH CELLAR, ROOF DECK AND ROOF-DECK ACCESS STRUCTURE FOR USE AS SINGLE-FAMILY HOUSEHOLD LIVING. BUILDING TO BE FULLY SPRI | |
| RP-2023-008591 | 2023-10-03 | Residential Building | 2302 E GORDON ST | FOR NEW CONSTRUCTION OF AN ATTACHED THREE-STORY BUILDING WITH CELLAR, ROOF DECK AND ROOF-DECK ACCESS STRUCTURE FOR USE AS SINGLE-FAMILY HOUSEHOLD LIVING. BUILDING TO BE FULLY SPRI | |
| RP-2023-002193 | 2023-09-20 | Residential Building | 3113 S BROAD ST | For the erection of a third floor addition that includes a roof deck and pilot house above. Separate permits are required for all associated Mechanical, Electrical, and Plumbing wo | |
| CP-2022-007311 | 2023-08-11 | Building | 254 S 23RD ST | FOR ERECTION OF AN ADDITION AT THE REAR AND LEVEL II ALTERATIONS AT THE REAR TO INCLUDE REPLACEMENT OF WINDOWS IN EXISTING OPENINGS, NEW PARTITIONS, FIXTURES, FURNISHINGS, FINISHES | |
| RP-2023-003710 | 2023-06-01 | Residential Building | 1810 WILLINGTON ST | Permit to legalize the retaining wall and front patio per plans. | |
| RP-2023-002739 | 2023-05-05 | Residential Building | 2018 PINE ST | interior renovation on an existing structure, details as shown on plan. | |
| RP-2023-002769 | 2023-05-04 | Residential Building | 4425 RIVERVIEW LN | interior renovation only to create habitable space in existing artic. no structural work included. details as shown on plan. |
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.
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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