Permit Record

Alteration Residential

421 19th St Santa Monica, CA 90402

ClassificationResidentialResidential Alteration
Reliable value$40,000
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
4279008017
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
Building Combo
Geocode & dates
Coordinates
34.0400, -118.4950
Geocode confidence
100%
Geocode source
Not in source
Issued
Sep 23, 2024
Applied
Sep 22, 2023
Work class
Residential
Description
Source description

Installation of new swimming pool.

Status
Current status
issued
Source status
Issued
Expired
Oct 7, 2026
Provenance
First seen (no changes since)
May 18, 2026 · 16:13 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

2 permits at this parcel (parcel 4279008017) · Feb 13, 2024Sep 23, 2024

  1. Sep 23, 2024This permitAlteration Residential · Issued$40,000
  2. Feb 13, 202424BLD-0249New Construction Residential Sf · Issued$656,484.31

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

Developer details
Permit #
23BLD-3509
Canonical ID
308:23BLD-3509
Source permit ID
23BLD-3509
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