Home and mortgage

Alameda County, CA Property Tax Calculator

Alameda County homeowners pay a median $8,474 a year in property tax, 0.78% of a median $1,090,100 home: above California's 0.70% but below the national 0.94%.

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Property tax in Alameda County by home value, at 0.78%

Home value	A year	A month
$550,000	$4,274	$356
$820,000	$6,371	$531
$1,090,000	$8,469	$706
$1,640,000	$12,743	$1,062
$2,180,000	$16,939	$1,412

Alameda County against California and the US

	Effective rate	Median tax	Median home value	Median household income
Alameda County	0.78%	$8,474	$1,090,100	$129,367
California	0.70%	$5,124	$734,700	$99,122
United States	0.94%	$3,119	$332,700	$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in Alameda County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

Questions people ask

What is the property tax rate in Alameda County?

The effective rate is 0.78%: a median $8,474 a year on a median $1,090,100 home. That's the 6th highest of the 41 California counties we cover.

How much is property tax on a $400,000 house in Alameda County?

About $3,108 a year, $259 a month, at the county's effective rate, before any exemption.

How does Alameda County compare with the rest of California?

Its rate is above the state's 0.70%. Across California, covered counties range from 0.61% to 0.88%.

How do I lower my Alameda County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Related calculators

Sources

US Census Bureau: American Community Survey 2020–2024 5-year estimates (tables B25077, B25103, B19013, B25064)

Updated Sep 30, 2026 by the RateHerald team. The maths is tested against worked examples; report a problem.