Permit Record

Alteration Residential

13280 W Mercer St, Los Angeles, CA 91331

ClassificationBldg-Alter/Repair - 1 or 2 Family DwellingResidential Alteration
Reliable valueNot in source
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
2535015009
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
Accessory Dwelling Unit
Geocode & dates
Coordinates
34.2685, -118.4224
Geocode confidence
100%
Geocode source
Not in source
Issued
Dec 21, 2018
Applied
Not in source
Work class
Residential
Description
Source description

SUPPLEMENTAL TO PERMIT #18014-20000-04489 TO REVISE WORK DESCRIPTION TO READ "CONVERT (E) 20' X 12' 2" GARAGE TO ACCESSORY DWELLING UNIT AND ADD 25' 2" X 33' IRREGULAR-SHAPE TO THE ACCESSORY DWELLING UNIT PER AB 494 AND SB 229. ALL WORK DONE PER STRUCTURAL ENGINEERING." NO FEE DEPARTMENT ERROR.

Status
Current status
finaled
Source status
Permit Finaled
Provenance
First seen by PermitCore
May 19, 2026 · 02:44 UTC
Last seen
Jul 5, 2026 · 12:40 UTC
Last changed
May 19, 2026 · 02:44 UTC
Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

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
Project timeline at this parcel

3 permits at this parcel (parcel 2535015009) · Dec 13, 2018 – Dec 21, 2018

  1. Dec 21, 2018This permitAlteration Residential · Finaled
  2. Dec 13, 201818014-20000-04488Addition Residential · Finaled$99,687
  3. Dec 13, 201818014-20000-04489ADU · Finaled$83,830

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

Developer details
Permit #
18014-20001-04489
Canonical ID
10:18014-20001-04489
Source permit ID
18014-20001-04489
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