Assessor
Alameda County Assessor
Appeal Deadline
Nov 30
Required Form
BOE-305-AH
Risk of Increase
No
Median Home Value
$950,000
Effective Tax Rate
1.14%
Estimated Annual Savings
$1,624
Based on 15% reduction
Alameda County Assessor Portal
Access your property records, assessment details, and file appeals directly through the official Alameda County website.
Visit https://www.acassessor.orgTips for Alameda County Appeals
- 1
Bay Area market corrections can support appeals
- 2
File online through the assessment appeals portal
Step-by-Step
How to Appeal in Alameda County
Review your property assessment notice from Alameda County Assessor. Verify the property details — square footage, bedroom count, lot size, and condition.
Research comparable sales in your area. Look for recent sales of similar properties that sold for less than your assessed value.
File your appeal by the Nov 30 deadline. You can file online at https://www.acassessor.org, by mail, or in person.
Prepare your evidence packet. Include comparable sales data, property condition photos, and any repair estimates that affect value.
Attend your appeal hearing. Present your evidence clearly and focus on comparable sales that support a lower value.
Receive your decision. If the appeal is unsuccessful, check your options for further appeal.
No Risk of Increase
In California, your assessed value cannot increase as a result of filing a appeal. Your value can only stay the same or go down. There is no risk to filing.
FAQ
Alameda County Property Tax Questions
How do I appeal my property tax in Alameda County, California?
File a appeal with Alameda County Assessor by the Nov 30 deadline. You can file online at https://www.acassessor.org, by mail, or in person. ProtestMax generates your complete appeal packet for $45 flat.
What is the property tax rate in Alameda County?
The average effective property tax rate in Alameda County is approximately 1.14%. The median home value is $950,000, resulting in an average annual tax bill of approximately $10,830.
What is the appeal deadline for Alameda County?
The appeal deadline for Alameda County is Nov 30. Make sure to file before this deadline to preserve your right to appeal.
How much can I save by appealing my Alameda County property tax?
A successful appeal in Alameda County typically reduces the assessed value by 10-20%. On the median home value of $950,000, a 15% reduction saves approximately $1,624 per year.
Can my property tax increase if I appeal?
No. In California, your assessed value cannot increase as a result of filing a appeal. Your value can only stay the same or go down.