Windsor property tax: where it goes
A Windsor house pays 1.123% of its taxable value in property tax, plus flat charges on the same bill. For a house at $801,100 of market value with the homeowners' exemption, that's about $9,438 a year.
Tax is levied on net taxable value times the tax rate per $100, plus the voter-approved taxes and direct charges listed on the bill.
Who taxes this house
| Taxing agency | Rate | On $801,100 |
|---|---|---|
| Countywide 1% tax (Prop 13) | 1% | $7,941 |
| Sonoma Water Warm Springs Dam / Russian River Project | 0.007% | $56 |
| Windsor Unified School District 2008 bond (schools) | 0.0475% | $377 |
| Windsor Unified School District 2016 bond (schools) | 0.042% | $334 |
| Sonoma County Junior College District 2002 bond (schools) | 0.009% | $71 |
| Sonoma County Junior College District 2014 bond (schools) | 0.018% | $143 |
| South County Fire special tax | flat | $68 |
| South County Fire 2006 tax (varies by parcel) | flat | $169 |
| Windsor LLAD1 Zone 1 parks | flat | $50 |
| Windsor LLAD1 Zone 2 lighting | flat | $21 |
| Windsor LLAD1 Zone 3 landscape | flat | $34 |
| Marin/Sonoma mosquito & vector control | flat | $12 |
| North Sonoma County Hospital District | flat | $150 |
| SF Bay Restoration Authority parcel tax (Measure AA) | flat | $12 |
| Total | 1.123% | $9,438 |
2026-27 tax year, Sonoma County (Windsor tax rate area 009-000). Exemptions applied: Homeowners' exemption ($7,000).
Dates
| When | What |
|---|---|
| Nov 1 (in 10 days) | First installment of the annual property tax bill is due November 1 and becomes delinquent at 5:00 p.m. on December 10. |
| Nov 30, 2026 (in 39 days) | Last day of Sonoma County's 2026 assessment appeal filing period (opened July 2). |
| Feb 15 | Last day for a first-time homeowners' exemption claim to get the full exemption for that year. |
Pay or manage it
Sources
- apps.mptsweb.com/TaxBillv2/Default.aspx?County=sonoma&Asmt=16312001200
- www.boe.ca.gov/proptaxes/homeowners_exemption.htm
- myparceltax.com/sfbay/
- www.boe.ca.gov/proptaxes/pdf/lta26023.pdf
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.