Oroville, CA Property Tax Rate (FY 2026-27)
Oroville's property tax rate is 1.0603% for fiscal year 2026-27 in its primary tax rate area: the 1% Proposition 13 base plus 0.0603% in voter-approved bonds.
First-year property tax by purchase price
Under Proposition 13 the purchase price becomes the assessed value, so the first-year tax at the city rate is the price times 1.0603%. Fixed assessments come on top. Your true tax rate is the two together, the tax at the city rate plus fixed assessments, divided by the purchase price on a newly purchased home.
| Purchase price | Annual tax | Monthly |
|---|---|---|
| $500,000 | $5,301.36 | $441.78 |
| $750,000 | $7,952.03 | $662.67 |
| $1,000,000 | $10,602.71 | $883.56 |
| $1,500,000 | $15,904.06 | $1,325.34 |
| $2,000,000 | $21,205.42 | $1,767.12 |
Property tax calculator
Search for a city, then change the price, rate or fixed assessments to estimate a first-year bill. It uses the same math as Mortgage Blueprint's tax breakdown.
What this rate leaves out
- This is the rate for Oroville's primary tax rate area. Other tax rate areas in the same city can have a different rate.
- Mello-Roos (Community Facilities District) taxes, flat parcel taxes and fixed special assessments are not included. Check the property's tax bill.
- Buyers get a supplemental tax bill after purchase for the change in assessed value.
- Under Proposition 13, the assessed value can rise by at most 2% a year while you own the home.
Look up a tax bill
Look up your Butte County property tax bill on the Butte County Treasurer-Tax Collector site. Butte County property tax rates and due dates.
Loan limits
Oroville is in Butte County, where the 2026 conforming loan limit for a one-unit home is $832,750. Butte County loan limits.
Other cities in Butte County
Source
Rate from County of Butte Multi-Year Tax Rates, Tax Year 2026 ('Multi-Rate Taxes 2026-2027', AUD70-2360-020 dated 9/8/2026). All California city rates.