Permit Record

ADU

4220-4220 1/2 W Slauson Ave, Los Angeles, CA 90043

ClassificationBldg-Addition - 1 or 2 Family DwellingADU-Qualifying Construction
Reliable value$131,600
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
1,636 sq ft
Parcel & enrichment
Parcel APN
4019003006
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
33.9885, -118.3489
Geocode confidence
100%
Geocode source
Not in source
Issued
May 30, 2018
Applied
May 31, 2017
Work class
Residential
Description
Source description

TWO STORY ADDITION TO (E) 2-STORY SINGLE FAMILY DWELLING (SFD). REMODEL EXISTING SFD. CONVERT FRONT HALF OF 1ST STORY TO ACCESSORY DWELLING UNIT PER AB 2299 AND SB 1069. CONVERT REAR HALF OF 1ST STORY TO REC ROOM (NO SHOWER, NO KITCHEN, NO HOT WATER CONNECTION ALLOWED).

Status
Current status
finaled
Source status
CofO Issued
Finaled
Dec 21, 2018
Provenance
First seen by PermitCore
May 19, 2026 · 02:43 UTC
Last seen
Jul 5, 2026 · 12:38 UTC
Last changed
May 19, 2026 · 02:43 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

3 permits at this parcel (parcel 4019003006) · Mar 16, 2004 – May 30, 2018

  1. May 30, 2018This permitADU · Finaled$131,600
  2. Mar 30, 200404016-70000-05764Alteration Residential · Finaled$2,000
  3. Mar 16, 200404016-70000-04838Alteration Residential · Finaled$1,200

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

Developer details
Permit #
17014-10000-02521
Canonical ID
10:17014-10000-02521
Source permit ID
17014-10000-02521
Browse Los Angeles permits in the Market Explorer →Pull this permit via /v1/permits →