William Klotz

, mostly addition work

  • 9 jobs in Philadelphia, 2021 to 2026
  • Typical job not stated
  • 5 of 9 jobs are additions

The state shows this license as "Inactive" today. Do not hire until that is cleared.

Jobs by type of work

Most recent jobs

DateWorkZIPStated value
2026-07-03Heat pumpEZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per19139not stated
2025-11-28AdditionFor the erection of an addition at the second floor level and for interior and exterior alterations to an existing attached single-family dw19154not stated
2025-08-12AdditionFOR THE REMOVAL OF A PORTION OF THE EXISTING STRUCTURE AND THE LEGALIZATION OF A SECOND FLOOR ADDITION TO AN EXISTING ATTACHED SINGLE-FAMILY19147not stated
2025-07-08Reroof**MAKE SAFE PERMIT** FOR REPAIR (TREAT AND NEW GROUT) OF FIRE DAMAGED JOIST, ROOF REPAIR, REPLACEMENT OF REAR DECK, REAR BAY TO REPLACED IN 19143not stated
2024-07-15Heat pumpEZ PERMIT DUCTWORK & WARM-AIR APPLIANCES - For the installation of New Ductwork, Registers/Grilles/Diffusers, and Warm-Air Appliances as per19145not stated
2023-12-06AdditionFOR AN ADDITION ON EXISTING SLAB AT THE REAR OF AN EXISTING SEMI-DETACHED STRUCTURE.19137not stated
2022-12-05Additionrear deck addition to an existing structure, details as shown in the plan. no other work included.19114not stated
2022-04-06AdditionFOR THE CONSTRUCTION OF AN ADDITION WITH A ROOF DECK ACCESSED FROM THE SECOND LEVEL ABOVE AN EXISTING ONE-STORY GARAGE TO AN EXISTING ATTACH19145not stated
2021-12-01Reroof**SEPARATE USE REGISTRATION PERMIT AND BUILDING PERMIT REQUIRED TO LEGALIZE USE AS SHOWN ON PLANS** Make Safe Permit to address L&I Unsafe c19143not stated

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A house with new framing and plywood walls for more roomsSee all 104 home addition contractorsRanked by jobs in Philadelphia