Permit Record

Alteration Commercial

3600-90 WALNUT ST, Philadelphia, PA

ClassificationBuilding / Addition and/or AlterationCommercial Alteration
Reliable valueNot in source
ContractorFLATIRON BUILDING COMPANY →
Permit record
Parties
Contractor
FLATIRON BUILDING COMPANY
Applicant
Not in source
Owner
TRUSTEES OF THE UNIVERSIT
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
773566000
Climate zone (IECC)
4A
Roof area (est.)
Not in source
HVAC tonnage (est.)
Not in source
Building type
A
Geocode & dates
Coordinates
Not in source
Geocode confidence
Not in source
Geocode source
Not in source
Issued
2026-06-15
Applied
Not in source
Work class
Commercial
Description
Source description

Commercial Building Permit

Status
Current status
issued
Source status
Issued
Provenance
First seen (no changes since)
Jun 17, 2026 · 12:53 UTC
Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

215 permits at this parcel (parcel 773566000) · 2007-01-02 – 2026-06-15

  1. 2026-06-15This permitAlteration Commercial · IssuedFLATIRON BUILDING COMPANY
  2. 2026-05-05philadelphia_OP-2026-000119Other · Issued
  3. 2026-04-23philadelphia_OP-2026-000095Other · Issued
  4. 2025-07-29philadelphia_EP-2025-005669MEP Electrical · FinaledMCGOLDRICK ELECTRIC
  5. 2025-05-07philadelphia_CP-2025-001811Alteration Commercial · FinaledLORENZON BROS
  6. 2025-05-06philadelphia_CP-2025-002161Alteration Commercial · FinaledKNAPP MASONRY
  7. 2025-05-05philadelphia_OP-2025-000099Other · Expired
  8. 2025-04-21philadelphia_OP-2025-000110Other · Expired
  9. 2025-04-16philadelphia_EP-2025-003119MEP Electrical · FinaledROBERT FORD
  10. 2025-03-24philadelphia_CP-2025-000963Alteration Commercial · IssuedP AGNES
  11. 2025-02-10philadelphia_CP-2024-006533Alteration Commercial · FinaledHSC BUILDERS & CONSTRUCTION
  12. 2024-11-25philadelphia_OP-2024-000462Other · Expired
  13. 2024-10-30philadelphia_OP-2024-000422Other · Expired
  14. 2024-07-19philadelphia_CP-2024-003440Alteration Commercial · ExpiredAETNA ROOFING
  15. 2024-05-22philadelphia_CP-2024-002343Alteration Commercial · FinaledFLATIRON BUILDING COMPANY
  16. 2024-05-15philadelphia_OP-2024-000156Other · Expired
  17. 2024-04-12philadelphia_OP-2024-000108Other · Expired
  18. 2023-11-02philadelphia_FP-2023-002611MEP Fire · FinaledOliver Sprinkler Co.
  19. 2023-10-13philadelphia_OP-2023-000456Other · Expired
  20. 2023-06-15philadelphia_CP-2023-001650Alteration Commercial · FinaledAETNA ROOFING
  21. 2023-06-05philadelphia_EP-2023-004683MEP Electrical · FinaledSHORELINE ELECTRIC
  22. 2023-05-26philadelphia_MP-2023-002188MEP Mechanical HVAC · FinaledCHADWICK SERVICE COMPANY
  23. 2023-05-25philadelphia_FP-2023-001021MEP Fire · FinaledOliver Sprinkler Co.
  24. 2023-05-15philadelphia_PP-2023-006581MEP Plumbing · FinaledCHADWICK SERVICE COMPANY
  25. 2023-05-08philadelphia_OP-2023-000165Other · Expired
  26. 2023-04-25philadelphia_CP-2023-002139Alteration Commercial · FinaledRycon Construction
  27. 2023-04-21philadelphia_OP-2023-000139Other · Expired
  28. 2023-02-10philadelphia_OP-2023-000044Other · Expired
  29. 2022-11-08philadelphia_CP-2022-006050Alteration Commercial · ExpiredLORENZON BROS
  30. 2022-10-07philadelphia_PP-2022-013567MEP Plumbing · FinaledLAWRENCE CARO
  31. 2022-09-20philadelphia_MP-2022-004771MEP Mechanical HVAC · FinaledSDA MECHANICAL SERVICES
  32. 2022-09-16philadelphia_OP-2022-000512Other · Expired
  33. 2022-07-26philadelphia_OP-2022-000394Other · Expired
  34. 2022-07-25philadelphia_EP-2022-007135MEP Electrical · FinaledFOLEY, PAUL
  35. 2022-07-08philadelphia_FP-2022-001836MEP Fire · FinaledOliver Sprinkler Co.
  36. 2022-06-03philadelphia_EP-2022-003385MEP Electrical · FinaledWm A J Shaeffer & Sons
  37. 2022-06-01philadelphia_CP-2022-001158Alteration Commercial · FinaledLORENZON BROS
  38. 2022-05-25philadelphia_MP-2022-002686MEP Mechanical HVAC · FinaledCOLLINS & COLLINS MECHANICAL
  39. 2022-05-13philadelphia_CP-2022-001821Alteration Commercial · FinaledFLATIRON BUILDING COMPANY
  40. 2022-04-26philadelphia_OP-2022-000164Other · Expired
  41. 2022-03-30philadelphia_EP-2022-002872MEP Electrical · FinaledROBERT FORD
  42. 2022-03-23philadelphia_MP-2022-001682MEP Mechanical HVAC · FinaledBinsky & Snyder
  43. 2022-03-16philadelphia_FP-2022-000757MEP Fire · FinaledINDEPENDENCE FIRE SPRINKLER COMPANY
  44. 2022-03-10philadelphia_CP-2022-001005Alteration Commercial · FinaledBITTENBENDER CONSTRUCTION
  45. 2021-09-13philadelphia_GP-2021-009579Sign · Finaled
  46. 2021-08-21philadelphia_ZP-2021-001273Other · Issued
  47. 2021-08-03philadelphia_FP-2021-002065MEP Fire · FinaledOliver Sprinkler Co.
  48. 2021-07-30philadelphia_MP-2021-004622MEP Mechanical HVAC · ExpiredROBERT C JOHNSON
  49. 2021-07-29philadelphia_EP-2021-006953MEP Electrical · FinaledPALMAN ELECTRIC
  50. 2021-07-27philadelphia_OP-2021-000405Other · Expired
  51. 2021-07-20philadelphia_PP-2021-011831MEP Plumbing · FinaledNAGEL LAVIN
  52. 2021-06-27philadelphia_CP-2021-003352Alteration Commercial · FinaledFLATIRON BUILDING COMPANY
  53. 2021-06-04philadelphia_EP-2021-003032MEP Electrical · FinaledFRANK FISHER
  54. 2021-05-06philadelphia_PP-2021-005813MEP Plumbing · FinaledPMC MECHANICAL
  55. 2021-05-03philadelphia_ZP-2021-003925Other · Issued
  56. 2021-03-31philadelphia_EP-2021-001773MEP Electrical · FinaledR&A ELECTRIC
  57. 2021-03-04philadelphia_FP-2021-000512MEP Fire · FinaledPREFERRED FIRE PROTECTION
  58. 2021-02-09philadelphia_MP-2021-000452MEP Mechanical HVAC · FinaledWEST CHESTER MECHANICAL CONTRACTORS
  59. 2021-02-05philadelphia_CP-2020-001616Alteration Commercial · FinaledW H Myers Construction
  60. 2021-01-27philadelphia_CP-2020-007080Alteration Commercial · FinaledCLEMENS CONSTRUCTION CO INC..
  61. 2021-01-14philadelphia_CP-2020-006917Alteration Commercial · FinaledPRIDE ENTERPRISES
  62. 2020-12-08philadelphia_ZP-2020-009614Other · Issued
  63. 2020-10-01philadelphia_ZP-2020-005333Other · Finaled
  64. 2020-09-10philadelphia_FP-2020-001253MEP Fire · FinaledOliver Sprinkler Co.
  65. 2020-06-02philadelphia_MP-2020-000719MEP Mechanical HVAC · ExpiredWEST CHESTER MECHANICAL CONTRACTORS
  66. 2020-05-13philadelphia_CP-2020-000291Alteration Commercial · ExpiredMASONRY PRESERVATION GROUP
  67. 2019-12-02philadelphia_26712Other · FinaledTHE ROCK SCHOOL OF DANCE
  68. 2019-10-29philadelphia_26654Other · Finaled
  69. 2019-07-15philadelphia_984990MEP Electrical · FinaledRIGGS DISTLER & CO
  70. 2019-06-10philadelphia_981183MEP Mechanical HVAC · FinaledWEST CHESTER MECHANICAL CONTR
  71. 2019-05-30philadelphia_980442MEP Plumbing · FinaledWEST CHESTER MECHANICAL CONTR
  72. 2019-05-15philadelphia_973203Alteration Residential · FinaledLORENZON BROTHERS COMPANY
  73. 2019-04-22philadelphia_962226Alteration Commercial · FinaledKNAPP MASONRY
  74. 2018-11-08philadelphia_25957Other · FinaledKNIGHT ENTERPRISES
  75. 2018-11-08philadelphia_25958Other · FinaledKNIGHT ENTERPRISES
  76. 2018-08-28philadelphia_902325Alteration Commercial · ExpiredTHE SULLIVAN COMPANY
  77. 2018-08-21philadelphia_892415MEP Plumbing · FinaledT KELLY
  78. 2018-08-15philadelphia_902321Demolition · FinaledSULLIVAN COMPANY THE
  79. 2018-07-27philadelphia_884828MEP Electrical · FinaledLYNDEE CORPORATION
  80. 2018-07-24philadelphia_896182MEP Fire · ExpiredATLANTIC FIRE EQUIPMENT CO
  81. 2018-06-20philadelphia_887363MEP Fire · ExpiredINDEPENDENCE FIRE SPRINKLER
  82. 2018-04-10philadelphia_865989MEP Electrical · FinaledMECCA ELECTRIC
  83. 2018-03-14philadelphia_25376Other · FinaledKNIGHT ENTERPRISES
  84. 2018-03-09philadelphia_792057Alteration Commercial · ExpiredINTEGRITY CONSTRUCTION AND DEVELOPMENT
  85. 2018-03-09philadelphia_800390MEP Mechanical HVAC · ExpiredINTEGRITY CONSTRUCTION AND DEVELOPMENT
  86. 2017-10-23philadelphia_25231Other · FinaledKNIGHT ENTERPRISES
  87. 2017-08-10philadelphia_805873MEP Plumbing · FinaledBOFINGER & BRESLIN
  88. 2017-08-02philadelphia_804990MEP Fire · FinaledOLIVER SPRINKLER CO
  89. 2017-07-31philadelphia_804236MEP Electrical · FinaledRAY ANGELINI
  90. 2017-07-24philadelphia_796495Alteration Commercial · IssuedCLEMENS CONSTRUCTION CO INC..
  91. 2017-07-21philadelphia_791002MEP Electrical · Finaled
  92. 2017-07-18philadelphia_800799MEP Mechanical HVAC · FinaledEDWARD B O'REILLY & ASSOC
  93. 2017-06-23philadelphia_786307MEP Electrical · FinaledMICHAEL KOWAL
  94. 2017-06-22philadelphia_793803MEP Plumbing · FinaledWEST CHESTER MECHANICAL CONTR
  95. 2017-06-19philadelphia_793002MEP Fire · FinaledINDEPENDENCE FIRE SPRINKLER
  96. 2017-06-06philadelphia_789234MEP Mechanical HVAC · FinaledEDWARD B O'REILLY & ASSOC
  97. 2017-05-16philadelphia_778726Alteration Residential · FinaledW H MYERS CONSTRUCTION
  98. 2017-05-03philadelphia_774740MEP Fire · IssuedOliver Sprinkler Co.
  99. 2016-08-26philadelphia_711102MEP Electrical · FinaledBOLEF SILAS
  100. 2016-08-08philadelphia_711039MEP Mechanical HVAC · FinaledRAMM
  101. 2016-08-05philadelphia_702994MEP Mechanical HVAC · FinaledWEST CHESTER MECHANICAL CONTR
  102. 2016-07-19philadelphia_708381MEP Fire · FinaledINDEPENDENCE FIRE SPRINKLER
  103. 2016-07-18philadelphia_699329MEP Electrical · FinaledCHARLES H MACDONALD ELECTRIC I
  104. 2016-07-15philadelphia_698488MEP Electrical · FinaledMICHAEL KOWAL
  105. 2016-07-12philadelphia_702626Alteration Residential · FinaledLORENZON BROTHERS COMPANY
  106. 2016-07-06philadelphia_695663MEP Fire · ExpiredPrecision Sprinkler Services
  107. 2016-07-06philadelphia_705002MEP Electrical · FinaledTYCO INTEGRATED SECURITY
  108. 2016-06-01philadelphia_690798Alteration Residential · FinaledPULLMAN SST
  109. 2016-05-27philadelphia_687653Alteration Residential · FinaledJOHN S MCMANUS
  110. 2016-04-26philadelphia_24148Other · FinaledANTHONY RENTAL & SALES
  111. 2015-07-13philadelphia_23629Other · FinaledTOTAL RENTAL
  112. 2015-06-08philadelphia_603780Alteration Residential · FinaledMARA RESTORATION
  113. 2015-05-22philadelphia_608135Alteration Residential · FinaledKNAPP MASONRY
  114. 2015-04-20philadelphia_598795Alteration Residential · FinaledFLATIRON BUILDING COMPANY
  115. 2015-04-17philadelphia_603518MEP Electrical · FinaledMECCA ELECTRIC
  116. 2015-04-08philadelphia_23413Other · FinaledKNIGHT ENTERPRISES
  117. 2015-03-27philadelphia_583027MEP Electrical · Finaled
  118. 2015-03-18philadelphia_592090Alteration Residential · FinaledWATTS RESTORATION CO
  119. 2015-02-06philadelphia_589226MEP Mechanical HVAC · FinaledEDWARD B O'REILLY & ASSOC
  120. 2014-11-03philadelphia_571810MEP Electrical · Finaled
  121. 2014-10-27philadelphia_23229Other · FinaledSELECT EVENT RENTALS
  122. 2014-10-24philadelphia_569858Alteration Residential · FinaledCL CONSTRUCTION
  123. 2014-10-23philadelphia_23228Other · FinaledSELECT EVENT RENTALS
  124. 2014-10-23philadelphia_23227Other · FinaledSELECT EVENT RENTALS
  125. 2014-10-17philadelphia_568400MEP Plumbing · Finaled
  126. 2014-10-14philadelphia_23206Other · FinaledTOTAL RENTAL
  127. 2014-09-04philadelphia_538504Alteration Residential · FinaledFLATIRON BUILDING COMPANY
  128. 2014-07-03philadelphia_541071MEP Electrical · Finaled
  129. 2014-06-03philadelphia_533937MEP Fire · ExpiredOLIVER SPRINKLER CO
  130. 2014-05-20philadelphia_535462Alteration Residential · FinaledSUPERIOR SCAFFOLD SERVICES
  131. 2014-05-06philadelphia_528228Alteration Residential · FinaledMASONRY PRESERVATION GROUP
  132. 2014-03-31philadelphia_22803Other · FinaledTOTAL RENTAL
  133. 2014-02-21philadelphia_516309MEP Fire · FinaledOLIVER SPRINKLER CO
  134. 2013-12-18philadelphia_511915Other · FinaledTORCON
  135. 2013-11-14philadelphia_22649Other · FinaledKNIGHT ENTERPRISES
  136. 2013-10-25philadelphia_22623Other · FinaledSELECT EVENT RENTALS
  137. 2013-10-17philadelphia_494567MEP Plumbing · Finaled
  138. 2013-09-18philadelphia_22555Other · FinaledTOTAL RENTAL
  139. 2013-05-02philadelphia_465693Other · FinaledTORCON
  140. 2013-04-11philadelphia_460471Other · Finaled
  141. 2013-04-08philadelphia_22231Other · FinaledTOTAL RENTAL
  142. 2013-02-15philadelphia_453951MEP Electrical · Finaled
  143. 2013-01-22philadelphia_443432MEP Plumbing · FinaledWEST CHESTER MECHANICAL CONTR
  144. 2013-01-08philadelphia_441184MEP Mechanical HVAC · FinaledWEST CHESTER MECHANICAL CONTR
  145. 2012-11-15philadelphia_22018Other · FinaledSELECT EVENT RENTALS
  146. 2012-11-02philadelphia_21988Other · IssuedSELECT EVENT RENTALS
  147. 2012-09-27philadelphia_425228Other · FinaledTORCON
  148. 2012-09-27philadelphia_425775Alteration Residential · FinaledTORCON
  149. 2012-09-14philadelphia_424715Other · Finaled
  150. 2012-08-27philadelphia_418422Other · Finaled
  151. 2012-08-16philadelphia_414085MEP Fire · FinaledOLIVER SPRINKLER CO
  152. 2012-08-13philadelphia_413040MEP Electrical · IssuedBOLEF SILAS
  153. 2012-06-26philadelphia_413164MEP Electrical · Finaled
  154. 2012-06-15philadelphia_21688Other · FinaledKNIGHT ENTERPRISES
  155. 2012-06-08philadelphia_409791MEP Electrical · Finaled
  156. 2012-06-07philadelphia_398640Alteration Residential · FinaledMJ SETTELEN CONSTRUCTION
  157. 2012-06-06philadelphia_406112Alteration Residential · FinaledFRANK R LAMARRA BUILDERS & CON
  158. 2012-06-01philadelphia_406095Alteration Residential · FinaledTORCON
  159. 2012-05-31philadelphia_21645Other · FinaledKNIGHT ENTERPRISES
  160. 2012-05-22philadelphia_403084Alteration Residential · FinaledTORCON
  161. 2012-05-17philadelphia_405808MEP Electrical · FinaledSHELLY ELECTRIC CO
  162. 2012-04-24philadelphia_21548Other · IssuedTOTAL RENTAL
  163. 2012-04-06philadelphia_21519Other · FinaledTOTAL RENTAL
  164. 2011-11-02philadelphia_371980MEP Electrical · FinaledEARL B LARUE
  165. 2011-10-26philadelphia_21215Other · FinaledKARL'S EVENT RENTAL
  166. 2011-09-30philadelphia_363799MEP Plumbing · FinaledLOR-MAR MECHANICAL SERVICES
  167. 2011-08-02philadelphia_351303MEP Fire · FinaledOLIVER SPRINKLER CO
  168. 2011-06-24philadelphia_342921MEP Mechanical HVAC · FinaledLOR-MAR MECHANICAL SERVICES
  169. 2011-06-16philadelphia_344072MEP Electrical · FinaledSHELLY ELECTRIC CO
  170. 2011-06-16philadelphia_342435MEP Electrical · IssuedFOLEY, PAUL
  171. 2011-05-19philadelphia_339345MEP Fire · FinaledOLIVER SPRINKLER CO
  172. 2011-05-09philadelphia_333990MEP Electrical · FinaledMARANO MICHAEL
  173. 2011-04-12philadelphia_332451Alteration Residential · Finaled
  174. 2011-04-12philadelphia_20971Other · FinaledLIGHT ACTION
  175. 2010-10-26philadelphia_308348MEP Electrical · FinaledEARL B LARUE
  176. 2010-10-26philadelphia_308351MEP Electrical · FinaledEARL B LARUE
  177. 2010-08-12philadelphia_291107MEP Fire · FinaledOLIVER SPRINKLER CO
  178. 2010-05-14philadelphia_276206Alteration Residential · Finaled
  179. 2010-05-05philadelphia_20310Other · FinaledTOTAL RENTAL
  180. 2009-11-16philadelphia_20013Other · FinaledSELECT EVENT RENTALS
  181. 2009-11-12philadelphia_247716MEP Electrical · FinaledEARL B LARUE
  182. 2009-10-27philadelphia_19984Other · FinaledKNIGHT ENTERPRISES
  183. 2009-10-19philadelphia_243146MEP Electrical · FinaledFRED DINARDO JR
  184. 2009-09-30philadelphia_19904Other · FinaledTOTAL RENTAL
  185. 2009-05-18philadelphia_19167Other · Finaled
  186. 2009-05-05philadelphia_18873Other · FinaledTOTAL RENTAL
  187. 2009-05-05philadelphia_18874Other · FinaledTOTAL RENTAL
  188. 2009-04-24philadelphia_18624Other · FinaledKNIGHT ENTERPRISES
  189. 2009-04-15philadelphia_18382Other · FinaledKNIGHT ENTERPRISES
  190. 2008-10-23philadelphia_13992Other · FinaledTOTAL RENTAL
  191. 2008-07-25philadelphia_159067MEP Mechanical HVAC · FinaledW G HINMAN
  192. 2008-07-10philadelphia_159094MEP Electrical · FinaledSHELLY BRUCE D
  193. 2008-07-02philadelphia_162201MEP Plumbing · FinaledHARRY STUHL III
  194. 2008-06-20philadelphia_159705MEP Plumbing · FinaledHARRY STUHL III
  195. 2008-06-17philadelphia_158922MEP Fire · FinaledPREMIUM FIRE & SECURITY
  196. 2008-06-13philadelphia_150040MEP Fire · FinaledOLIVER SPRINKLER CO
  197. 2008-05-13philadelphia_151664MEP Electrical · FinaledEARL B LARUE
  198. 2008-04-28philadelphia_132549MEP Mechanical HVAC · FinaledTRACEY MECHANICAL
  199. 2008-04-03philadelphia_4461Other · FinaledTOTAL RENTAL
  200. 2008-04-03philadelphia_4465Other · FinaledTOTAL RENTAL
  201. 2008-03-11philadelphia_128946Alteration Residential · Finaled
  202. 2008-02-05philadelphia_110152MEP Electrical · FinaledCARR & DUFF
  203. 2008-01-31philadelphia_124571MEP Fire · FinaledMAJEK FIRE PROTECTION
  204. 2008-01-31philadelphia_125012MEP Electrical · FinaledSHELLY ELECTRIC CO
  205. 2008-01-08philadelphia_121061MEP Plumbing · FinaledJAMES GORY
  206. 2007-10-03philadelphia_98137Other · Finaled
  207. 2007-06-15philadelphia_78736Alteration Residential · Finaled
  208. 2007-05-17philadelphia_1228Other · FinaledTOTAL RENTAL
  209. 2007-05-10philadelphia_58467Other · Finaled
  210. 2007-05-10philadelphia_58468Other · Finaled
  211. 2007-05-10philadelphia_58469Other · Finaled
  212. 2007-05-09philadelphia_58466Other · Finaled
  213. 2007-05-09philadelphia_58465Other · Finaled
  214. 2007-02-23philadelphia_50123Other · Finaled
  215. 2007-01-02philadelphia_42437MEP Electrical · FinaledSTEPHEN GRELIS

Full permit history at this parcel · as of 2026-06-28.

Other permits by FLATIRON BUILDING COMPANY

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Developer details
display_permit_id
philadelphia_CP-2026-001887
canonical_uid
333:philadelphia_CP-2026-001887
source_permit_id
philadelphia_CP-2026-001887
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