Permit Record

Alteration Residential

12271 W Mercer St, Los Angeles, CA 91342

ClassificationBldg-Alter/Repair - 1 or 2 Family DwellingResidential Alteration
Reliable value$301
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Not in source
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
Units (residential)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
2531025004
Climate zone (IECC)
3B
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
Not in source
Building subtype
Dwelling - Single Family
Geocode & dates
Coordinates
34.2856, -118.4001
Geocode confidence
100%
Geocode source
Not in source
Issued
Jul 5, 2005
Applied
Jul 5, 2005
Work class
Residential
Description
Source description

SUPPLEMENTAL PERMIT TO REVISE FRAMING PLAN @ NEW ADDITION

Status
Current status
finaled
Source status
Permit Finaled
Provenance
First seen by PermitCore
May 19, 2026 · 02:53 UTC
Last seen
Jul 5, 2026 · 12:50 UTC
Last changed
May 19, 2026 · 02:53 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

2 permits at this parcel (parcel 2531025004) · Feb 25, 2005 – Jul 5, 2005

  1. Jul 5, 2005This permitAlteration Residential · Finaled$301
  2. Feb 25, 200505014-20000-00827Addition Residential · Unknown$44,800

Full permit history at this parcel · as of Jul 8, 2026.

Developer details
Permit #
05014-20001-00827
Canonical ID
10:05014-20001-00827
Source permit ID
05014-20001-00827
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