COMPANY RECORD · PHILADELPHIA, PA
Downtown Mechanical LLC — permit history in Philadelphia, PA
Downtown Mechanical LLC appears on 150 Philadelphia permit records from 2021 through 2026, most often mechanical (99.3% of the record).
How Downtown Mechanical LLC compares in Philadelphia
In 2025, Downtown Mechanical LLC filed 35 mechanical permits in Philadelphia — 28th of 844 companies named on mechanical permits that year. Across all records since 2021, it ranks 36th of 2,135 with 149 mechanical permits.
Ranked by the number of permits in the company's main category, among every company named on such permits in Philadelphia records — not only those with a page here. Companies with equal counts share a place. Filing volume measures activity, not quality.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical | 149 | 99.3% |
| Residential Building | 1 | 0.67% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2021 | 11 |
| 2022 | 25 |
| 2023 | 24 |
| 2024 | 21 |
| 2025 | 36 |
| 2026 | 33 |
Busiest year on record: 2025, with 36 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 |
|---|---|---|
| William Guyon | 24 | 2025-12-02 |
| S & J Concepts, LLC | 18 | 2026-04-07 |
| Kyle Broeker | 6 | 2026-06-12 |
| Diantonio & Bongiovanni LLC | 4 | 2024-04-09 |
| Hestia Construction LLC | 3 | 2026-04-09 |
| Eagle Restoration Services LLC | 3 | 2025-01-16 |
| Jclr Construction LLC. | 3 | 2026-01-21 |
| Tierview Construction LLC | 3 | 2025-04-01 |
| Nicholas Cessna | 3 | 2023-08-15 |
| Jesse Fells | 2 | 2024-10-17 |
| East Philly Plumbing & Heating, LLC | 2 | 2026-01-16 |
| David Heintz | 2 | 2025-03-25 |
46 named participants share a resolved project timeline with Downtown Mechanical 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 |
|---|---|
| 3021 EDGEMONT ST | 2026-10-20 |
| 1256 S ISEMINGER ST | 2026-10-08 |
| 214 CHELTEN AVE | 2026-10-08 |
| 215 CHELTEN AVE | 2026-10-05 |
| 3301 S 20TH ST | 2026-09-28 |
| 1548 E PASSYUNK AVE | 2026-09-11 |
| 27 SLOCUM ST | 2026-09-10 |
| 1647 ANNIN ST | 2026-09-10 |
| 2124 SAINT ALBANS ST | 2026-08-10 |
| 753 N TAYLOR ST | 2026-08-10 |
| 755 N TAYLOR ST | 2026-08-10 |
| 2325 N FRONT ST | 2026-08-10 |
| 6665 MUSGRAVE ST | 2026-06-12 |
| 3601 MARKET ST | 2026-06-12 |
144 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 |
|---|---|---|
| William Guyon | 27 | 2021–2026 |
| Thomas D. Lepore | 25 | 2021–2026 |
| John Marx | 24 | 2021–2026 |
| S & J Concepts, LLC | 17 | 2021–2026 |
| Leupold & Associates Contracting LLC | 14 | 2022–2026 |
| D'narpo Electrical | 10 | 2021–2026 |
| Thomas Uhl | 9 | 2023–2026 |
| Grosso Concrete LLC | 8 | 2023–2026 |
Companies that also appear in Philadelphia permit records at addresses where Downtown Mechanical 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
150 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| MP-2026-005951 | 2026-10-20 | Mechanical | 3021 EDGEMONT ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation if New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-005698 | 2026-10-08 | Mechanical | 1256 S ISEMINGER ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-005788 | 2026-10-08 | Mechanical | 214 CHELTEN AVE | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-005682 | 2026-10-05 | Mechanical | 215 CHELTEN AVE | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-005564 | 2026-09-28 | Mechanical | 3301 S 20TH ST | FOR A MECHANICAL SYSTEM UPGRADE TO ACCOMMODATE AN EXISTING STRUCTURE. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER PRIOR TO THE START OF | |
| MP-2026-004871 | 2026-09-11 | Mechanical | 1548 E PASSYUNK AVE | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS. ALL WORK TO BE D | |
| MP-2026-005118 | 2026-09-10 | Mechanical | 27 SLOCUM ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-005046 | 2026-09-10 | Mechanical | 1647 ANNIN ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-004501 | 2026-08-10 | Mechanical | 2124 SAINT ALBANS ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-004705 | 2026-08-10 | Mechanical | 753 N TAYLOR ST | Mechanical / Fuel Gas Permit for combo RP-2025-001998 | |
| MP-2025-004297 | 2026-08-10 | Mechanical | 755 N TAYLOR ST | Mechanical / Fuel Gas Permit for combo RP-2025-001999 | |
| MP-2026-003962 | 2026-08-10 | Mechanical | 2325 N FRONT ST | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS. ALL WORK TO BE D | |
| MP-2026-003441 | 2026-06-12 | Mechanical | 6665 MUSGRAVE ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-003412 | 2026-06-12 | Mechanical | 3601 MARKET ST | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S SPECIFICATIONS. ALL WORK TO | |
| MP-2026-001586 | 2026-06-09 | Mechanical | 2501 E VENANGO ST | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S SPECIFICATIONS. ALL WORK TO | |
| MP-2026-002063 | 2026-06-09 | Mechanical | 1918 PINE ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-001736 | 2026-05-20 | Mechanical | 1714 CHERRY ST | FOR INSTALLATION OF HVAC APPLIANCES, EQUIPMENT, DUCTWORK AND REGISTERS/DIFFUSERS PER APPROVED PLANS AND MANUFACTURER'S SPECIFICATIONS. | |
| MP-2026-002783 | 2026-05-14 | Mechanical | 6425 GARMAN ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-002466 | 2026-05-12 | Mechanical | 1648-52 E PASSYUNK AVE | FOR THE INSTALLATION OF HVAC APPLIANCES, GRDs, BATHROOM AND CLOTHES DRYER EXHAUSTS, AND ASSOCIATED DUCTWORK THROUGHOUT A MIXED-USE BUILDING (COMMERCIAL SPACE & TWO (2) DWELLING UNI | |
| MP-2026-002522 | 2026-05-07 | Mechanical | 2334 PIERCE ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-001128 | 2026-05-01 | Mechanical | 108-12 CHURCH ST | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S SPECIFICATIONS. FOR USE AS P | |
| MP-2026-002121 | 2026-04-14 | Mechanical | 2214-16 E YORK ST | FOR THE INSTALLATION OF A NEW HVAC SYSTEMS, ASSOCIATED DUCT WORK, ROOFTOP UNITS, DUCTLESS SYSTEMS, AND REGISTERS/DIFFUSERS AS PER APPROVED PLANS. SEPARATE PERMIT REQUIRED FOR ELEC | |
| MP-2026-002062 | 2026-04-14 | Mechanical | 5959-63 RIDGE AVE | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S SPECIFICATIONS. ALL WORK TO B | |
| MP-2026-002060 | 2026-04-10 | Mechanical | 5001 SHELDON ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-001962 | 2026-04-09 | Mechanical | 1918 PALETHORP ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2026-001929 | 2026-04-07 | Mechanical | 344 CANTRELL ST | For the installation of New Ductwork, Registers/Grills/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from these standards require submission of construc | |
| MP-2026-001733 | 2026-04-06 | Mechanical | 1267 S 28TH ST | Mechanical / Fuel Gas Permit for combo RP-2026-001133 | |
| MP-2026-001587 | 2026-04-03 | Mechanical | 2226 E VENANGO ST | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS. ALL WORK TO BE D | |
| MP-2026-000098 | 2026-03-05 | Mechanical | 1214 N AMERICAN ST | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS. ALL WORK TO BE D | |
| MP-2026-000533 | 2026-02-05 | Mechanical | 5438 MORSE ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-006277 | 2026-01-21 | Mechanical | 2531 E LEHIGH AVE | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS. ALL WORK TO BE D | |
| MP-2026-000205 | 2026-01-16 | Mechanical | 3613 SALMON ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-006708 | 2026-01-05 | Mechanical | 2234 S 17TH ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For Mechanical Work to include the installation as per attached standards. Deviations from these standards require submission of constr | |
| MP-2025-006531 | 2025-12-19 | Mechanical | 411 DIAMOND ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-006087 | 2025-12-02 | Mechanical | 1214 LATONA ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-005978 | 2025-11-25 | Mechanical | 627 S 42ND ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-005843 | 2025-11-14 | Mechanical | 2423 S MOLE ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-003937 | 2025-11-12 | Mechanical | 1310 MARLBOROUGH ST | Mechanical / Fuel Gas Permit for combo RP-2025-006188 | |
| MP-2025-005688 | 2025-11-12 | Mechanical | 2347 E CUMBERLAND ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-005585 | 2025-11-04 | Mechanical | 1800 W GIRARD AVE | FOR INSTALLATION OF HVAC APPLIANCES, EQUIPMENT, DUCTWORK AND REGISTERS/DIFFUSERS PER APPROVED PLANS AND MANUFACTURER'S SPECIFICATION. | |
| MP-2025-005624 | 2025-11-04 | Mechanical | 1012 CARPENTER ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-003691 | 2025-09-30 | Mechanical | 616 EMILY ST | Mechanical / Fuel Gas Permit for combo RP-2025-005527 | |
| MP-2025-004763 | 2025-09-24 | Mechanical | 4626 D ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-004695 | 2025-09-17 | Mechanical | 1335 E PASSYUNK AVE | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S SPECIFICATIONS. FOR USE AS P | |
| MP-2025-001626 | 2025-09-10 | Mechanical | 1800 W GIRARD AVE | Mechanical / Fuel Gas Permit for combo CP-2025-000789 | |
| MP-2025-003950 | 2025-08-22 | Mechanical | 1127 PINE ST | FOR INSTALLATION OF HVAC APPLIANCES, EQUIPMENT, DUCTWORK AND REGISTERS/DIFFUSERS PER APPROVED PLANS AND MANUFACTURER'S SPECIFICATIONS. | |
| MP-2025-004332 | 2025-08-19 | Mechanical | 2771 ASH ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from the | |
| MP-2025-004262 | 2025-08-15 | Mechanical | 1821 MIFFLIN ST | EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per attached standards. Deviations from th | |
| MP-2025-003817 | 2025-07-28 | Mechanical | 1213 CREASE ST | FOR THE INSTALLATION OF REGISTERS, DIFFUSERS, AND APPLIANCES WITH ASSOCIATED DUCTWORK. APPLIANCES TO BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER’S SPECIFICATIONS. FOR USE AS P | |
| MP-2025-002731 | 2025-07-24 | Mechanical | 1615-17 MCKEAN ST | FOR THE INSTALLATION OF HVAC APPLIANCES, GRDs, BATHROOM & CLOTHES DRYER EXHAUSTS, AND ASSOCIATED DUCTWORK AS PER APPROVED PLANS AND IN ACCORDANCE WITH 2018 IMC. SEPARATE PERMITS TO |
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 150 permits above are a static record through 2026. Select a year above to open that year’s records, or search Downtown Mechanical 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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