How to pay Napa County, CA property tax
✓ Verified — Last verified October 24, 2026
Payment details from the official sources for Napa County. Check the tax year and parcel on your bill before submitting a payment.
Pay on the official siteNot tax or legal advice; confirm with your county.
Payment methods and fees
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Accepted methods
Officially published
Published installment dates
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Tax year 2026. Dates retain the year published by the source.
Official offices
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Napa County Tax Collector
Sources for these instructions
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Read the source quotations (11)
https://www.napacounty.gov/1260/How-to-Pay-Your-Property-Taxes
Accepted methods of payment: eCheck, Visa, Mastercard, Discover, Google Pay, Apple Pay, PayPal, Venmo
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https://common2.mptsweb.com/mbc/napa/tax/search/
the vendor processing your payments assesses the service fees.
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https://www.napacounty.gov/m/NewsFlash/Home/Detail/889
The first installment is due November 1, 2026, and must be paid by 5 p.m. on December 10, 2026 to avoid a 10% penalty.
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https://www.napacounty.gov/m/NewsFlash/Home/Detail/889
The second installment is due February 1, 2027. Taxpayers have until 5 p.m. on April 12, 2027 to pay without a penalty because April 10 falls on a Saturday.
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https://www.napacounty.gov/m/NewsFlash/Home/Detail/889
must be paid by 5 p.m. on December 10, 2026 to avoid a 10% penalty.
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https://www.napacounty.gov/m/NewsFlash/Home/Detail/889
first installment of their 2026-2027 property taxes
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https://www.napacounty.gov/m/NewsFlash/Home/Detail/889
Robert Minahen, Napa County Tax Collector
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https://www.napacounty.gov/154/Assessment-Appeals-Process
Napa County Assessor-Recorder-County Clerk at 707.253.4459
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Continue with your property
Common questions
Where can I pay Napa County property tax?
Official payment portal: https://common2.mptsweb.com/mbc/napa/tax/search/. E-check, Visa, Mastercard, Discover, Google Pay, Apple Pay, PayPal, Venmo
Updated , from cited verification dates. Individual sources may have earlier checks.