Permit Record

Alteration Residential

507-509 N Sierra Bonita Ave, Los Angeles, CA 90036

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
373 sq ft
Parcel & enrichment
Parcel APN
5526027010
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
34.0806, -118.3544
Geocode confidence
100%
Geocode source
Not in source
Issued
May 13, 2026
Applied
Apr 15, 2026
Work class
Residential
Description
Source description

Supplemental to 25010-10000-03783 to ALTER ADU size and fix the lot length

Status
Current status
issued
Source status
Issued
Provenance
First seen by PermitCore
Jun 12, 2026 · 12:17 UTC
Last seen
Jul 7, 2026 · 17:48 UTC
Last changed
Jun 12, 2026 · 12:17 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

4 permits at this parcel (parcel 5526027010) · Oct 20, 2025 – May 13, 2026

  1. May 13, 2026This permitAlteration Residential · Issued$501
  2. Mar 27, 202625010-10000-03783ADU · Issued$373,054
  3. Mar 27, 202625047-10000-01117Pool Spa · Issued$25,000
  4. Oct 20, 202525019-10000-03831Demolition · Finaled$10,000

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

Developer details
Permit #
25010-10001-03783
Canonical ID
10:25010-10001-03783
Source permit ID
25010-10001-03783
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