COMPANY RECORD · PHILADELPHIA, PA
Michael Loonstyn (Mjl Contracting LLC) — permit history in Philadelphia, PA
Michael Loonstyn (Mjl Contracting LLC) appears on 36 Philadelphia permit records from 2021 through 2026, most often residential building (94.4% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Residential Building | 34 | 94.4% |
| Building | 2 | 5.6% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 11 |
| 2025 | 2 |
| 2026 | 8 |
Busiest year on record: 2024, with 11 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 |
|---|---|---|
| Alb Construction Inc | 9 | 2025-11-04 |
| Air Tight Heating And Cooling | 8 | 2026-07-16 |
| Air Pro HVAC | 8 | 2024-07-09 |
| Priority Plumbing LLC | 6 | 2026-07-16 |
| Barry Hassan | 5 | 2026-07-22 |
| Eko Plumbing Inc | 5 | 2024-09-24 |
| Gerald D Kaewell | 5 | 2023-06-20 |
| Michael A Bradley | 3 | 2024-03-11 |
| Jeffrey Karwowski | 3 | 2022-10-28 |
| Gormley Electrics Inc. | 2 | 2021-11-23 |
| Thomas Uhl | 2 | 2021-10-12 |
| Zachary Torres | 2 | 2022-04-12 |
21 named participants share a resolved project timeline with Michael Loonstyn (Mjl Contracting LLC). 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 |
|---|---|
| 643 N 22ND ST | 2026-09-25 |
| 846 N 22ND ST | 2026-07-13 |
| 888 N WOODSTOCK ST | 2026-07-13 |
| 2336 ASPEN ST | 2026-04-09 |
| 760 N 23RD ST | 2026-01-14 |
| 2104 GREEN ST | 2025-10-10 |
| 779 N 24TH ST | 2025-02-18 |
| 2318 PARRISH ST | 2024-12-26 |
| 2021 WALLACE ST | 2024-12-09 |
| 2123 MOUNT VERNON ST | 2024-08-07 |
| 2100 POPLAR ST | 2024-06-26 |
| 876 N 21ST ST | 2024-04-12 |
| 835 N 25TH ST | 2024-03-27 |
| 2312 ASPEN ST | 2024-02-02 |
27 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 |
|---|---|---|
| Alb Construction Inc | 10 | 2023–2026 |
| Air Tight Heating And Cooling | 9 | 2024–2026 |
| Studio C Architecture LLC | 8 | 2021–2024 |
| Air Pro HVAC | 8 | 2021–2024 |
| Jerry Gialloreto | 7 | 2023–2026 |
| Priority Plumbing LLC | 7 | 2024–2026 |
| Barry Hassan | 6 | 2021–2026 |
| Eko Plumbing Inc | 6 | 2021–2024 |
Companies that also appear in Philadelphia permit records at addresses where Michael Loonstyn (Mjl Contracting LLC) 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
36 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| RP-2026-009277 | 2026-09-25 | Residential Building | 643 N 22ND ST | Level III Interior Alterations to an existing attached structure. (PHC Staff Review of window assembly 'shop' drawings required for final approval. PHC Staff Review of masonry rep | |
| RP-2026-007136 | 2026-07-13 | Residential Building | 846 N 22ND ST | FOR THE ERECTION OF A FOUR (4) STORY SEMI-DETACHED STRUCTURE OF TYPE V-B CONSTRUCTION WITH BASEMENT, ROOF DECK (FOR RESIDENTIAL USE), AND ROOF DECK ACCESS STRUCTURE FOR USE AS A SI | |
| RP-2026-007109 | 2026-07-13 | Residential Building | 888 N WOODSTOCK ST | - For alterations to an Existing One Family Dwelling as per attached standard. Deviations from this standard will result in permit revocation and require submission of construction | |
| RP-2026-007137 | 2026-07-13 | Residential Building | 846 N 22ND ST | FOR THE ERECTION OF A FOUR (4) STORY SEMI-DETACHED STRUCTURE OF TYPE V-B CONSTRUCTION WITH BASEMENT, ROOF DECK (FOR RESIDENTIAL USE), AND ROOF DECK ACCESS STRUCTURE FOR USE AS A SI | |
| RP-2026-007145 | 2026-07-10 | Residential Building | 846 N 22ND ST | FOR THE ERECTION OF A FOUR (4) STORY SEMI-DETACHED STRUCTURE OF TYPE V-B CONSTRUCTION WITH BASEMENT, ROOF DECK (FOR RESIDENTIAL USE), AND ROOF DECK ACCESS STRUCTURE FOR USE AS A SI | |
| RP-2026-003211 | 2026-04-09 | Residential Building | 2336 ASPEN ST | For the 2nd and 3rd floor addition extension, reconstruction of 1-story rear portion of building, and rear roof deck above 2nd floor roof to existing 3-story building use as single | |
| RP-2026-001031 | 2026-02-11 | Residential Building | 2336 ASPEN ST | - For alterations to an Existing One Family Dwelling as per attached standard. Deviations from this standard will result in permit revocation and require submission of construction | |
| RP-2025-012532 | 2026-01-14 | Residential Building | 760 N 23RD ST | INTERIOR RENOVATION AND FOR THE ERECTION OF AN ADDITION ABOVE AN EXISTING ATTACHED STRUCTURE, ROOF DECK AND ROOF DECK ACCESS STRUCTURE. DETAILS AS SHOWN ON THE APPLICATION/PLANS. | |
| RP-2025-008756 | 2025-10-10 | Residential Building | 2104 GREEN ST | FOR MODIFICATIONS TO AN EXISTING ROOF DECK, ERECTION OF A ROOF ACCESS STRUCTURE, REMOVAL OF A SPIRAL STAIR, AND INTERIOR ALTERATIONS TO AN EXISTING SINGLE-FAMILY STRUCTURE AS PER A | |
| RP-2025-000810 | 2025-02-18 | Residential Building | 779 N 24TH ST | For the addition of two roof decks (accessed from the interior) and for interior and exterior alterations to an existing attached single-family dwelling per plans. Separate permits | |
| RP-2024-013517 | 2024-12-26 | Residential Building | 2318 PARRISH ST | FOR ALTERATIONS TO AN EXISTING ATTACHED SINGLE-FAMILY DWELLING AS PER APPROVED PLAN. *SEPARATE PERMITS REQUIRED FOR ROOF DECK AND ELECTRICAL, PLUMBING, AND MECHANICAL WORK* **UNDE | |
| RP-2024-011823 | 2024-12-09 | Residential Building | 2021 WALLACE ST | FOR THE ERECTION OF A ROOF DECK ACCESSED BY A ROOF ACCESS STRUCTURE, THE ERECTION OF A DECK ACCESSED FROM THE SECOND-STORY REAR, AND THE REMOVAL OF AN EXISTING GARAGE WITH ONE (1) | |
| RP-2024-012199 | 2024-11-25 | Residential Building | 2318 PARRISH ST | To erect a roof deck above existing rear 2nd floor roof of a 3-story building one family household living unit. | |
| RP-2024-011081 | 2024-11-01 | Residential Building | 2021 WALLACE ST | Level II interior alterations to an existing 3-story single-family rowhouse. No excavation permitted on this permit and no underpinning allowed on this. PHILADELPPHIA HISTORICAL | |
| RP-2024-011674 | 2024-11-01 | Residential Building | 2318 PARRISH 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-2024-006647 | 2024-08-07 | Residential Building | 2123 MOUNT VERNON ST | For the erection of a rear two story addition over existing one-story portion with roof deck and pilot house, and for interior and exterior alterations to an existing attached sing | |
| RP-2024-006692 | 2024-06-26 | Residential Building | 2100 POPLAR ST | EZ PERMIT STANDARDS ALTERATIONS- For alterations to an Existing one-family dwelling as per the attached standard. Deviations from this standard will result in permit revocation and | |
| RP-2024-003690 | 2024-04-12 | Residential Building | 876 N 21ST ST | RENOVATION TO INCLUDE STAIR FRAMING AMENDMENT #1: TO AMEND TO REVISE THE INTERIOR LAYOUT IN THE BASEMENT AREA AS PER AMENDED PLAN. | |
| RP-2024-001694 | 2024-03-27 | Residential Building | 835 N 25TH ST | rear roof deck addition to an existing structure, details as Shwon on plan. | |
| RP-2023-013179 | 2024-02-02 | Residential Building | 2312 ASPEN ST | SOLE PROPRIETER *CONTRACTOR HAS A NOTORIZED LETTER WITH NO EMPLOYEES, SOLE WORKER*MUST UPLOAD SUB-CONTRACTOR INFORMATION IF APPLICABLE* PERMIT STANDARDS ALTERATIONS For alterations | |
| RP-2023-013178 | 2024-01-17 | Residential Building | 876 N 21ST ST | *CONTRACTOR HAS A NOTORIZED LETTER WITH NO EMPLOYEES, SOLE WORKER*MUST UPLOAD SUB-CONTRACTOR INFORMATION IF APPLICABLE* EZ PERMIT STANDARDS ALTERATIONS For alterations to an exist | |
| RP-2023-009245 | 2023-10-19 | Residential Building | 835 N 25TH ST | EZ PERMIT STADARDS ALTERATIONS- For alterations to an Existing One Family Dwelling as per attached standard. Deviations from this standard will result in permit revocation and requ | |
| RP-2023-003321 | 2023-04-25 | Residential Building | 1831 GINNODO ST | EZ PERMIT STADARDS ALTERATIONS- For alterations to an Existing One Family Dwelling as per attached standard. Deviations from this standard will result in permit revocation and requ | |
| RP-2022-008123 | 2022-11-15 | Residential Building | 2417 ASPEN ST | LEVEL II ALTERATION OF EXISTING 3-STORY SINGLE FAMILY ATTACHED BUILDING WITH CELLAR. PROPOSED 3RD STORY ADDITION, PILOT HOUSE AND ROOF DECK ADDITION. NO WORK PERMITTED IN THE BASEM | |
| RP-2022-004485 | 2022-04-29 | Residential Building | 2417 ASPEN 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-2021-019307 | 2022-04-05 | Residential Building | 831 N CAPITOL ST | INTERIOR RENOVATION OF EXISTING 2-STORY, SINGLE FAMILY ATTACHED BUILDING WITH CELLAR. PROPOSED 3RD STORY, ROOF DECK AND REAR ADDITION. NO CHANGE IN USE. NFPA 13R SPRINKLER SYSTE | |
| RP-2022-001131 | 2022-03-21 | Residential Building | 1818 POPLAR ST | LEVEL II ALTERATION OF EXISTING 2-STORY, SINGLE FAMILY ATTACHED BUILDING WITH CELLAR. PROPOSED REAR ADDITION, 3RD STORY, PILOT HOUSE AND ROOF DECK. NO UNDERPINNING APPRVOED ON THIS | |
| RP-2022-000456 | 2022-03-11 | Residential Building | 819 N CAPITOL ST | FOR THE INTALLATION OF STARBOLTS TO THE FRONT WALL. | |
| RP-2020-003641 | 2021-12-16 | Residential Building | 2217 PARRISH ST | **CONTRACTOR HAS A NOTORIZED LETTER WITH NO EMPLOYEES, SOLE WORKER**MUST UPLOAD SUB-CONTRACTOR INFORMATION IF APPLICABLE** EZ PERMIT STANDARDS ALTERATIONS - For alterations to an E | |
| CP-2021-007093 | 2021-12-16 | Building | 649 N 15TH ST | For Level II Alterations and for the erection of a deck at the rear second floor, to an existing three (3) story attached structure to be used as Group R-2 (Six (6) Dwelling Units) | |
| CP-2021-004652 | 2021-09-01 | Building | 1603 MOUNT VERNON ST | FOR THE REMOVAL AND REPLACEMENT OF EXISTING STUCCO AND SHEATHING AS PART OF A 3-STORY ATTACHED STRUCTURE AS PER APPROVED PLANS. | |
| RP-2020-014840 | 2021-09-01 | Residential Building | 2711 SWAIN 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-2021-005965 | 2021-07-14 | Residential Building | 803 N CAPITOL ST | INTERIOR RENOVATION AND FOR THE ERECTION OF AN ADDITION ABOVE AN EXISTING ATTACHED STRUCTURE (NTE 38 FT.) WITH ROOF DECK ACCESSED BY A ROOF DECK ACCESS STRUCTURE. FOR A SINGLE FAMI | |
| RP-2021-007565 | 2021-06-02 | Residential Building | 832 N 25TH ST | *CONTRACTOR HAS NO EMPLOYEES PER NOTARIZED LETTER* EZ PERMIT STANDARDS ALTERATIONS - For alterations to an Existing One Family Dwelling as per attached standard. Deviations from th | |
| RP-2020-012574 | 2021-03-01 | Residential Building | 2104 MOUNT VERNON ST | Proposed 3-story rear addition to an existing 3-story brick building. Existing front fa?ade to be rebuilt to conform with historic structures on Mount Vernon Street. Addition inclu | |
| RP-2020-009448 | 2021-03-01 | Residential Building | 817 N CAPITOL ST | Interior renovation of existing 2-story, single-family attached building with cellar. Proposed 3rd-story, roof deck , rear addition. Work to be completed in basement. |
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 36 permits above are a static record through 2026. Select a year above to open that year’s records, or search Michael Loonstyn (Mjl Contracting LLC) 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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