Concord property tax: where it goes

A Concord house pays 1.104% of its taxable value in property tax, plus flat charges on the same bill. For a house at $500,158 of value before exemptions with the homeowners' exemption, that's about $5,609 a year.

Tax is levied on net assessed value as of January 1 (assessed value less exemptions); the 1% countywide tax plus the Mt. Diablo 2002, 2010 and 2018 bond, community college bond, BART and East Bay Regional Park District rates.

Who taxes this house

Taxing agencyRateOn $500,158
Countywide 1% tax (Prop 13)1%$4,932
Mt. Diablo school bonds (MT DIABLO 2002, 2010, 2018 BND) (schools)0.0705%$348
Contra Costa Community College District bonds (schools)0.0152%$75
BART (incl. 2016 bond)0.0163%$80
East Bay Regional Park District0.0018%$9
Mt. Diablo USD Mello-Roos special tax (MT D MELLO ROOS)flat$67
County stormwater charge (FED STORMWATER A-3)flat$35
Concord street lights (CONCORD STREET LTS)flat$25
SF Bay Restoration Authority parcel tax (Measure AA)flat$12
Emergency medical services charge (EMERGENCY MED B)flat$10
CCWD land levy (CC WTR LEVY LAND; varies with land value)flat$6
East Bay regional trails assessmentflat$5
Mosquito & vector controlflat$5
Total1.104%$5,609

2026-27 tax year, Contra Costa County (Concord tax rate area 02002). Exemptions applied: Homeowners' exemption ($7,000).

Ways to pay less

  • Seniors, blind or disabled: postpone property taxes. The State Controller's Property Tax Postponement program allows homeowners to postpone payment of current-year property taxes on their primary residence. How: Go to www.ptp.sco.ca.gov for more information.

Dates

WhenWhat
Nov 1 (in 9 days)First property tax installment coupon dated Nov 1, 2026; after Dec 10, 2026 a 10% late-payment penalty is added.
Nov 30, 2026 (in 38 days)Last day of Contra Costa County's 2026 assessment appeal filing period (opened July 2).
Feb 15Last day for a first-time homeowners' exemption claim to get the full exemption for that year.

Pay or manage it

Sources

  1. Contra Costa County assessment parcels: Concord single-family parcels by tax rate area
  2. Contra Costa County assessment parcels: Concord single-family parcels by use code
  3. Contra Costa County assessment parcels: median assessed value, Concord tax rate area 02002
  4. SF Bay Restoration Authority Measure AA (NBS parcel tax info)
  5. California BOE: Homeowners' Exemption
  6. California BOE letter: 2026 assessment appeal filing periods by county
  7. Contra Costa County 2026-27 secured property tax bills (look up any parcel at cctax.us)

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.