Tax Collector
Official Siskiyou County property-tax bill or payment portal. Follow the county’s instructions for your bill type and review the amount and any payment charges before paying.
- Availability · Taxpayers outside the United States
- For taxpayers outside of the United States, you may experience an error when clicking on the above link. If the link above does not load, please copy and paste the following on the search field of your browser: common1.mptsweb.com/mbc/siskiyou/tax/search. (Do not click on the link.)
Source & saved evidence
Specific county payment instruction; channel and bill-type scope retained without treating a bank bill-pay mailing as a county online payment.
fees are as follows: $1.50 for E-checks, $3.95 for Debit Cards, 2.25% for Credit Cards (with a $2.00 minimum) For taxpayers outside of the United States, you may experience an error when clicking on the above link. If the link above does not load, please copy and paste the following on the search field of your browser: common1.mptsweb.com/mbc/siskiyou/tax/search. (Do not click on the link.) If you have any questions, please call our office at 888-854-2000, option 3, and option 3. Treasurer-Tax Collector Business LicensesApplication Steps License E
Agent source review: October 14, 2026 · Snapshot
365aad9312b31deb
Before you start · 10 requirements & conditions
- Payments · County-linked online vendor
- The fees are as follows: $1.50 for E-checks, $3.95 for Debit Cards, 2.25% for Credit Cards (with a $2.00 minimum)
Source & saved evidence
Specific county payment instruction; channel and bill-type scope retained without treating a bank bill-pay mailing as a county online payment.
ty taxes using this link. Please note that there is a convenience fee charged by our vendor for this service. The fees are as follows: $1.50 for E-checks, $3.95 for Debit Cards, 2.25% for Credit Cards (with a $2.00 minimum) For taxpayers outside of the United States, you may experience an error when clicking on the above link. If the link above does not load, please copy and paste
Agent source review: October 14, 2026 · Snapshot
365aad9312b31deb - Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
- Secured-roll first installment is due November 1; the delinquency date is separate.
Source & saved evidence
California State Board of Equalization · California property tax calendar (opens in a new tab)
BOE calendar: property owners, secured-roll first-due
§ 2605 Rev. & Tax. Code November 1 Property owners First installment of real property taxes and all taxes on personal property on the secured roll are due and payable.
Agent source review: October 26, 2026 · Snapshot
b5e3be710f5a4327 - Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
- Secured-roll second installment is due February 1; the delinquency date is separate.
Source & saved evidence
California State Board of Equalization · California property tax calendar (opens in a new tab)
BOE calendar: property owners, secured-roll second-due
§ 2606 Rev. & Tax. Code February 1 Property owners Second installment real property taxes due and payable.
Agent source review: October 26, 2026 · Snapshot
b5e3be710f5a4327 - Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
- BOE’s regular first-installment delinquency date is December 10 at 5 p.m. or close of business, whichever is later. Read the holiday rule and your actual bill.
Source & saved evidence
California State Board of Equalization · California property tax calendar (opens in a new tab)
BOE calendar: property owners, secured-roll first-delinquent
§§ 2617 and 2704 Rev. & Tax. Code December 10 Property owners First installment of taxes on the secured roll, if unpaid, is delinquent at 5:00 p.m. or close of business day, whichever is later.
Agent source review: October 26, 2026 · Snapshot
b5e3be710f5a4327 - Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
- BOE’s regular second-installment delinquency date is April 10 at 5 p.m. or close of business, whichever is later. Read the holiday rule and your actual bill.
Source & saved evidence
California State Board of Equalization · California property tax calendar (opens in a new tab)
BOE calendar: property owners, secured-roll second-delinquent
§§ 2618 and 2705 Rev. & Tax. Code April 10 Property owners Second installment of taxes on the secured roll, if unpaid, is delinquent at 5:00 p.m., or close of business day, whichever is later.
Agent source review: October 26, 2026 · Snapshot
b5e3be710f5a4327 - Deadlines · Shared California BOE calendar: regular secured-roll taxes; local bills and payment channels remain separate
- BOE notes that a specified date falling on Saturday, Sunday or a legal holiday generally moves to the next business day. Check the county’s notice and payment-channel cutoff.
Source & saved evidence
California State Board of Equalization · California property tax calendar (opens in a new tab)
BOE calendar Notes: weekend/legal-holiday rule
In practically all cases, the action may be done before the specified date. If the specified date falls on Saturday, Sunday, or a legal holiday, the action may be done on the next business day. (Government Code §§ 6706, 6707)
Agent source review: October 26, 2026 · Snapshot
b5e3be710f5a4327 - Payments · Electronic card/e-check payment and tax bill
- The county lists Visa, Mastercard, American Express, Discover and electronic check; have the tax bill available.
Source & saved evidence
Property-tax local instructions: Electronic card/e-check payment and tax bill; saved text paragraph 263
You may now pay your property taxes by Visa, Mastercard, American Express, Or Discover credit/debit card or by Electronic Check. If you wish to use this service, you must have your tax bill with you.
Agent source review: October 26, 2026 · Snapshot
b04beab0eeebcb84 - Payments · Public payment inquiry provider fees
- The inquiry page lists $1.50 e-check, $3.95 debit and 2.25% credit (minimum $2), charged by the vendor.
Source & saved evidence
Property-tax local instructions: Public payment inquiry provider fees; saved text paragraph 265
You will be able to pay your property taxes using this link. Please note that there is a convenience fee charged by our vendor for this service. The fees are as follows: $1.50 for E-checks, $3.95 for Debit Cards, 2.25% for Credit Cards (with a $2.00 minimum)
Agent source review: October 26, 2026 · Snapshot
365aad9312b31deb - Information & documents · Mailed check identification
- Include installment stubs, make checks/money orders payable to the county tax collector, and include the payer address and parcel number.
Source & saved evidence
Property-tax local instructions: Mailed check identification; saved text paragraph 263
Return the appropriate stub or stubs with your payment in the return envelope provided. Checks and money orders should be made payable to Siskiyou County Tax Collector and show the mailing address of the payer and also the parcel number as shown on the bill.
Agent source review: October 26, 2026 · Snapshot
94e49b6ee06545d3 - Payments · Five-year plan start payment
- The county lists a $43 plan fee plus 20% of delinquent taxes to start; current taxes and future required installments must also be kept current.
Source & saved evidence
Property-tax local instructions: Five-year plan start payment; saved text paragraph 263
A Five-Year Payment Plan may be started on secured property taxes that have become delinquent on June 30th of each fiscal year. A payment of 20% of the delinquent taxes and a $43.00 plan fee are required to start the plan. During the five-year life of the plan, each year’s current taxes and a payment of 20% plus interest on the delinquent taxes must be paid on or before April 10 of each year.
Agent source review: October 26, 2026 · Snapshot
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Source & saved evidence
Current county property-tax service heading or explicitly linked destination; bill type and payment channel are reviewed separately.
link below to open the County of Siskiyou Inquiry page on our third-party vendor’s site: Siskiyou County Tax Inquiry and Tax Payments You will be able to pay your property taxes using this link. Please note that there is a convenience fee charged by our vendor for this service. The
Agent source review: October 14, 2026 · Snapshot 365aad9312b31deb
Contacts & sources · 4 fees published by this office · 1 form