Santa Monica building & ADU permits
Recent permit activity, updated continuously.
Santa Monica is a coastal city in western Los Angeles County with its own building and safety department. The city publishes its active building permits as open data under the ODC-BY license, which Igni surfaces with the required attribution to the City of Santa Monica.
Igni is tracking 1,074 residential and building permits in Santa Monica, CA — including 52 classified accessory-dwelling-unit (ADU) filings. The most active ZIP is 90405. The most recent filing Igni tracked was Nov 10, 2026. All records come from data.santamonica.gov (CKAN), an official government open-data feed, and are refreshed continuously.
1074
Permits tracked
52
ADU permits
5
Distinct ZIP codes
Nov 10, 2026
Newest permit
Recent permits
A sample of the freshest permits in this jurisdiction — ZIP and city only (no street addresses).
| ZIP | Permit type | ADU type | Valuation | Applied |
|---|---|---|---|---|
| 90401 | Commercial | — | $100,000 | Oct 23, 2026 |
| 90402 | Residential | — | $12,900 | Nov 10, 2026 |
| 90404 | Residential | — | $187,221 | Oct 22, 2026 |
| 90402 | Residential | — | $5,000 | Nov 10, 2026 |
| 90402 | Residential | — | $500 | Nov 10, 2026 |
| 90405 | Residential | — | $2,000 | Nov 10, 2026 |
| 90402 | Residential | — | $1,000 | Nov 10, 2026 |
| 90401 | Residential | — | $500 | Nov 10, 2026 |
| 90405 | Residential | — | $16,500 | Oct 30, 2026 |
| 90405 | Residential | — | $12,461 | Sep 15, 2026 |
| 90402 | Residential | — | $6,000 | Oct 26, 2026 |
| 90405 | Residential | — | $5,500 | Nov 10, 2026 |
| 90405 | Residential | — | $1,750 | Nov 10, 2026 |
| 90403 | Residential | — | $40,000 | Oct 26, 2026 |
| 90405 | Residential | — | $10,000 | Sep 2, 2026 |
| 90403 | Residential | — | $5,000 | Sep 10, 2026 |
| 90403 | Commercial | — | $15,000 | Aug 20, 2026 |
| 90405 | Residential | — | $709 | Nov 9, 2026 |
| 90405 | Commercial | — | $30,000 | Jul 13, 2026 |
| 90401 | Residential | — | $860 | Nov 9, 2026 |
Top ZIP codes by recent activity
ADU types in the recent set
Housing law — California
California mandates ministerial (by-right) approval of accessory dwelling units statewide, with a 60-day decision deadline and one ADU plus one junior ADU allowed on most single-family lots; owner-occupancy is generally not required.
SB 9 allows by-right duplexes and urban lot splits on single-family lots, and newer transit-oriented upzoning (SB 79) phases in from 2026.
Data source
Sourced from data.santamonica.gov (CKAN). ODC-BY 1.0 (attribution required).
Attribution: © City of Santa Monica (ODC-BY 1.0)
Nearby cities — California
Learn more about ADUs & building permits
Background reading on accessory dwelling units, building permits, and how Igni turns Santa Monica permit records into leads.
Santa Monica permit data — FAQ
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Informational only, not legal advice. Headline counts reflect all permits Igni has tracked for this jurisdiction; the table shows recent activity. Housing law changes — verify current statutes before relying on this.