Alteration Residential
4209 N Costello Ave, Los Angeles, CA 91423
ClassificationBldg-Alter/Repair - 1 or 2 Family DwellingResidential Alteration
Reliable value$501
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
- 2266015032
- 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
- 34.1471, -118.4374
- Geocode confidence
- 100%
- Geocode source
- Not in source
- Issued
- Mar 12, 2026
- Applied
- Mar 12, 2026
- Work class
- Residential
Description
Source description
SUPPLEMENTAL TO 24010-20000-03545 TO REVISE STRUCTURAL PLANS AND DETAILS, ALL WORK PER ENGINEERING
Status
- Current status
- issued
- Source status
- Issued
Provenance
- First seen by PermitCore
- May 4, 2026 · 17:16 UTC
- Last seen
- Jul 7, 2026 · 17:29 UTC
- Last changed
- May 4, 2026 · 17:16 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
- Mar 12, 2026This permitAlteration Residential · Issued$501
- Oct 31, 202524047-20001-01153Pool Spa · Issued$501
- Jun 17, 202524010-20001-03545Alteration Residential · Issued$501
- Mar 21, 202524047-20000-01153Pool Spa · Issued$30,000
- Mar 21, 202524010-20000-03545New Construction Residential Sf · Issued$668,000
- Mar 21, 202524030-20000-05243Other · Issued$781
- Mar 21, 202524020-20000-01459Other · Issued$50,000
- Dec 12, 202424019-20000-04904Demolition · Finaled$12,000
Full permit history at this parcel · as of Jul 8, 2026.
Developer details
- Permit #
- 24010-20002-03545
- Canonical ID
- 10:24010-20002-03545
- Source permit ID
- 24010-20002-03545