ADU
17839-17841 W Horace St, Los Angeles, CA 91344
ClassificationADU
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
- 2712010021
- 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
- 34.2700, -118.5229
- Geocode confidence
- 100%
- Geocode source
- Not in source
- Issued
- May 15, 2024
- Applied
- Not in source
- Work class
- Residential
Description
Source description
Suppl permit to correct plot plan, use codes, and to rvise work description to - Convert 24'-2" x 31'-4" (602 sq ft) irreg shaped master bedroom to Accessory Dwelling Unit per GCS 65852.2(e)(1)(A). 8'-4" x 19' addition to enlarge (E) carport. See Comments. **No fee. Department error.**
Status
- Current status
- finaled
- Source status
- Permit Finaled
Provenance
- First seen by PermitCore
- May 4, 2026 · 17:15 UTC
- Last seen
- Jul 7, 2026 · 17:21 UTC
- Last changed
- May 4, 2026 · 17:15 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_placeholdervaluation_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
- May 15, 2024This permitADU · Finaled
- Mar 11, 202421016-20002-54748Alteration Residential · Finaled
- Jan 11, 202321016-20001-54748Alteration Residential · Finaled$501
- Feb 15, 202221016-20000-54748ADU · Finaled$45,000
- Mar 22, 201111014-20000-00816Addition Residential · Finaled$26,000
Full permit history at this parcel · as of Jul 8, 2026.
Developer details
- Permit #
- 21016-20003-54748
- Canonical ID
- 10:21016-20003-54748
- Source permit ID
- 21016-20003-54748