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The Alameda County Assessor is pleased to announce that the AC Property App is now available on Apple devices. You can lookup your assessed value, property taxes, and parcel map. You can even pay your property taxes right from the app. Download it from the iTunes store.
General & Ownership Information
(510) 272-3787
Business Personal Property:
(510) 272-3836
Our business hours are from 8:30AM to 5:00PM Monday through Friday except for holidays
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Boats / Vessels - Frequently Asked Questions
- Q: Do I have to pay the full tax if I sell my boat after the January 1 lien date?
- A: Yes. Unsecured property taxes are not prorated by the Tax Collector's Office. Any activity occurring after the lien date only affects the following year.
- Q: Should I notify the Assessor's office if I sell my boat?
- A: Yes. This information will help prevent you from receiving a tax bill on property you no longer own during the next Roll year. However, you should fill out a Release of Liability form with the Department of Motor Vehicles (DMV).
- Q: My boat is outside the (county/state/country).
- A: California registration indicates the boat is kept in California. If it is in the county more than 6 months, it is taxable here.
- Q: Why do I have to pay taxes on my boat to you and the DMV?
- A: DMV collects a registration fee for the boat. The county Assessor determines boat values, upon which the personal property taxes are based.
- Q: Why do I have to pay taxes on my jet ski?
- A: In California all property is taxable unless specifically exempt by law. (R&T 201)
If you have any questions please contact our Marine Division at (510) 272-3838