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Public-source data on the data desk

Build Intelligence

Compare municipalities on like-for-like data.

Census new-housing authorizations by exact place and common period, kept apart from each city’s own permit reports.

01 · Project lens

Where, and what?

Santa Monica · City of Santa Monica, if the parcel is inside city limits · unverified

A “Santa Monica” mailing address or ZIP code does not prove the parcel is inside the City of Santa Monica; postal names cross city and unincorporated county lines.

Check a point against official County city limits

02 · Municipalities

Choose 2–3

Santa MonicaLos AngelesPasadenaBeverly HillsManhattan BeachCulver City
LA County Registrar/Recorder · simplified display outlines, retrieved 2026-09-25. Official layer
Municipalities to compare

1/3 selected

Municipal preparation

Compare the first submission

ADU references, not a score or parcel decision. Confirm jurisdiction before applying city guidance.

Santa Monica

Bring
Parcel address, existing home and proposed ADU type, lot measurements and any coastal or historic designation; a sloped lot may need a survey.
First agency and action
City Planning publishes the single-unit parcel guide; Community Development handles building-permit intake. Coastal review may add another authority. Use the November 2025 single-unit-parcel ADU guide to identify the building-permit path and check coastal status before submittal.
Question to resolve
Coastal boundary, historic listing, slope and design-specific plan check remain parcel-dependent.
City Planning — ADUs on single-unit dwelling parcels

03 · Census BPS

Standardized comparison · Aug 2026

Select at least two municipalities to compare.

05 · Next steps

Official sources and paths

Continue in Project Studio Compare ADU paths