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California's 20th State Assembly district

American legislative district

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionFeb 27, 2026
Entity authorityQ5019962 ↗
Source-derived summary

California's 20th State Assembly district is one of 80 California State Assembly districts. It is represented by Democrat Liz Ortega of San Leandro.

District profile

The district is located in the southern East Bay, centered on Hayward. The district is a major gateway between the Tri–Valley to the east, Silicon Valley to the south, and the rest of the San Francisco Bay Area.

Election results from statewide races

List of assembly members representing the district

Due to redistricting, the 20th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.

Editorial summary

The public source identifies “California's 20th State Assembly district” as american legislative district. This brief keeps that definition visible, then builds a research path around California's, 20th and State.

Editorial reviewA valuable geographic starting point for tracing changing names, boundaries, uses and administrative responsibility. The current lead gives the account dated anchors—2021—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with California's, 20th and State providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “California's 20th State Assembly district”, the useful work is to connect “american legislative district” to the records capable of establishing context and consequence.

Evidence profile

Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Feb 27, 2026. The linked authority identifier is Q5019962. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2021.

Critical limits

Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
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Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “California's 20th State Assembly district”, its source revision and the description used here.
  2. Expand the search: follow California's 20th State Assembly district primary sources, California's 20th State Assembly district archive and California's research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “California's 20th State Assembly district” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.