Permit Record

Alteration Residential

4348 N Mammoth Ave, Los Angeles, CA 91423

ClassificationBldg-Alter/Repair - ApartmentMultifamily Alteration
Reliable value$5,000
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
2271018***
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
Condo-Multi Family
Geocode & dates
Coordinates
34.1497, -118.4324
Geocode confidence
100%
Geocode source
Not in source
Issued
Nov 25, 2025
Applied
Apr 16, 2025
Work class
Residential
Description
Source description

Supplement to permit # 25016-10000-01766 to add balcony 304 to scope of work.

Status
Current status
issued
Source status
Issued
Provenance
First seen by PermitCore
May 4, 2026 · 17:17 UTC
Last seen
Jul 7, 2026 · 17:34 UTC
Last changed
May 4, 2026 · 17:17 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

13 permits at this parcel (parcel 2271018***) · Nov 9, 2001 – Nov 25, 2025

  1. Nov 25, 2025This permitAlteration Residential · Issued$5,000
  2. Aug 26, 202525016-90000-25903Alteration Residential · Finaled$3,500
  3. Jun 28, 202323016-20000-21073Alteration Residential · Issued$25,000
  4. Oct 11, 201919016-20000-32785Alteration Residential · Finaled$9,500
  5. Mar 27, 201818016-10000-05696Alteration Residential · Finaled
  6. Oct 26, 201515016-20001-16995Alteration Residential · Expired$501
  7. Oct 22, 201515016-20001-13373Alteration Residential · Expired$20,000
  8. Aug 12, 201515016-20000-16995Alteration Residential · Expired$1,500
  9. Jun 26, 201515016-20000-13373Alteration Residential · Issued$20,000
  10. Nov 12, 201313016-20000-23495Alteration Residential · Finaled$3,500
  11. Dec 6, 200707016-20000-19926Alteration Residential · Finaled$6,000
  12. Apr 11, 200202016-20000-06748Alteration Residential · Finaled$25,000
  13. Nov 9, 200101016-10000-21829Alteration Residential · Finaled$12,800

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

Developer details
Permit #
25016-10001-01766
Canonical ID
10:25016-10001-01766
Source permit ID
25016-10001-01766
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