ZIP code 95391: Mountain House, CA
ZIP code 95391 is in Mountain House (99% of residents), in San Joaquin County (100%) and Alameda County (0.5%), California. It is in California's 9th congressional district (100%) and California's 14th congressional district (0.5%). Its state senate district is State Senate District 5; its state house districts are Assembly District 13 (100%) and Assembly District 16 (0.5%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Mountain House | 99% |
| County | Share of ZIP residents |
|---|---|
| San Joaquin County | 100% |
| Alameda County | 0.5% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Tracy CCD | 100% |
| Livermore-Pleasanton CCD | 0.5% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 9th congressional district (CA-09) | 100% |
| California's 14th congressional district (CA-14) | 0.5% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-09) | Josh Harder (D) | 202-225-4540 | 100% |
| U.S. Representative (CA-14) | Aisha Wahab (D) | 202-225-5065 | 0.5% |
| U.S. Senator | Adam B. Schiff (D) | 202-224-3841 | statewide |
| U.S. Senator | Alex Padilla (D) | 202-224-3553 · contact form | statewide |
| State Senator (State Senate District 5) | Jerry McNerney (Democratic) | 209-472-9535 | 100% |
| Assembly Member (Assembly District 13) | Rhodesia Ransom (Democratic) | 209-948-7479 | 100% |
| Assembly Member (Assembly District 16) | Rebecca Bauer-Kahan (Democratic) | 925-244-1600 | 0.5% |
Elected in 2024 under CA's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Mountain House website: https://www.mountainhouseca.gov/
- Mountain House laws: search for the Mountain House, California code of ordinances
- San Joaquin County website: https://sjgov.org
- San Joaquin County laws: search for the San Joaquin County, California code of ordinances
- Alameda County website: https://www.acgov.org/
- Alameda County laws: search for the Alameda County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 5 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 13 | 100% |
| Assembly District 16 | 0.5% |
Voting precincts
10 voting precincts overlap ZIP 95391. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:95391")
ZIP 95391 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.