Permit Record

Alteration Residential

423 S 20TH ST, Philadelphia, PA

ClassificationAlteration
Reliable valueNot in source
ContractorHormigon
Permit record
Parties
Contractor
Hormigon
Applicant
Not in source
Owner
423 S 20TH LLC
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
081179400
Climate zone (IECC)
4A
Roof area (est.)
Not in source
HVAC tonnage (est.)
Not in source
Building type
R
Geocode & dates
Coordinates
Not in source
Geocode confidence
Not in source
Geocode source
Not in source
Issued
2026-06-16
Applied
Not in source
Work class
Residential
Description
Source description

Residential Building Permit

Status
Current status
issued
Source status
Issued
Provenance
First seen by PermitCore
Jun 17, 2026 · 12:53 UTC
Last seen
Jun 18, 2026 · 12:25 UTC
Last changed
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

10 permits at this parcel (parcel 081179400) · 2016-06-302026-06-25

  1. 2026-06-25philadelphia_EP-2026-005458MEP Electrical · IssuedOMAR RIVERA
  2. 2026-06-25philadelphia_MP-2026-003474MEP Mechanical HVAC · IssuedHormigon
  3. 2026-06-25philadelphia_PP-2026-008056MEP Plumbing · IssuedCoffelt Contracting
  4. 2026-06-16This permitAlteration Residential · IssuedHormigon
  5. 2026-05-27philadelphia_ZP-2026-005952Other · IssuedHormigon
  6. 2025-10-14philadelphia_PP-2025-012645MEP Plumbing · IssuedCoffelt Contracting
  7. 2025-10-09philadelphia_EP-2025-009631MEP Electrical · FinaledOMAR RIVERA
  8. 2025-09-23philadelphia_RP-2025-009422Alteration Residential · IssuedHORMIGON
  9. 2025-08-27philadelphia_MP-2025-004232MEP Mechanical HVAC · FinaledHORMIGON
  10. 2016-06-30philadelphia_704212MEP Plumbing · FinaledROTO ROOTER SERVICES COMPANY

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

Other permits by Hormigon

Showing up to 12 most-recent permits by this contractor in the indexed window

No other permits by this contractor in the indexed window.
Developer details
display_permit_id
philadelphia_RP-2026-005543
canonical_uid
333:philadelphia_RP-2026-005543
source_permit_id
philadelphia_RP-2026-005543
Browse Philadelphia permits in the Market Explorer →Pull this permit via /v1/permits →