Union City property tax: where it goes
A Union City house pays 1.262% of its taxable value in property tax, plus flat charges on the same bill. For a house at $1,104,900 of market value with the homeowners' exemption, that's about $13,942 a year.
Tax is levied on assessed value less exemptions (Prop 13): the 1% countywide tax plus the other rates listed for tax rate area 15-001.
Alameda County adopted its 2026-27 rates on September 15, 2026, but the copy online is a scanned image our checker cannot read and the county's tax rate search answers only form requests. The 2025/26 rate book is used; the 2026-27 rates in neighboring Fremont rose only about 0.0005 percentage points in all.
Who taxes this house
| Taxing agency | Rate | On $1,104,900 |
|---|---|---|
| Countywide 1% tax (Prop 13) | 1% | $10,979 |
| Alameda County GO bond | 0.0084% | $92 |
| New Haven Unified School District bonds (schools) | 0.1707% | $1,874 |
| Chabot-Las Positas Community College District bonds (schools) | 0.0389% | $427 |
| Washington Township Health Care District bonds | 0.0218% | $239 |
| BART | 0.0152% | $167 |
| East Bay Regional Park District | 0.0011% | $12 |
| Alameda County Water District (State Water Project) | 0.006% | $66 |
| Alameda County EMS (paramedic) special tax | flat | $42 |
| Vector control assessment (Union City) | flat | $13 |
| SF Bay Restoration Authority parcel tax (Measure AA) | flat | $12 |
| Household hazardous waste fee | flat | $8 |
| East Bay regional trails assessment | flat | $5 |
| Mosquito abatement assessment (2008) | flat | $3 |
| Mosquito abatement special tax (Measure K) | flat | $2 |
| Total | 1.262% | $13,942 |
2025-26 tax year, Alameda County (Union City tax rate area 15-001). Exemptions applied: Homeowners' exemption ($7,000).
Ways to pay less
- 100% disabled veterans: property tax exemption. The Disabled Veterans' Exemption reduces property tax on the principal residence of veterans rated 100% disabled because of a service-connected injury or disease (or paid at the 100% rate for unemployability). For the 2025-2026 assessment year the basic exemption amount is $175,298; a larger low-income exemption also exists. How: See the Alameda County Assessor's exemptions page.
Dates
| When | What |
|---|---|
| Dec 10 (in 49 days) | Last day to pay the first installment of secured property taxes without penalty; also the deadline for late homeowners' and veterans' exemption claims. |
| Feb 15 | Deadline to file the homeowners', veterans' and disabled veterans' exemption claims. |
| Apr 10 | Last day to pay the second installment of secured property taxes without penalty. |
| Jul 2 – Sep 15 | Window to file an assessment appeal with the Clerk of the Board of Supervisors. |
Pay or manage it
Sources
- Alameda County tax rates, fiscal year 2025/2026 (tax rate book)
- Alameda County Assessor: exemptions
- California BOE: Homeowners' Exemption
- Alameda County EMS District FY 2026-27 special tax board letter
- SF Bay Restoration Authority Measure AA (NBS parcel tax info)
- Alameda County Assessor: property tax calendar
- LAO: Understanding California's Property Taxes
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.