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Alto, California property tax

Note: the US Census caps this figure at "$10,000 or more", so the real median is $10,000 or higher and the effective rate shown is a minimum.

Median property tax, home value and effective rate (Census 2020–2024)

Updated Oct 17, 2026, 1:57 AM ET
Effective property tax rate
-0.00%

Homeowners in Alto, California paid a median $10,000+ a year in property tax on a median home worth $-666,666,666, an effective rate of at least about -0.00% (Census 2020–2024).

Census ACS 2020–2024 5-year medians · Census-designated place

#1 lowest of 895California places we cover

0.66%Marin County overall
Median tax paid
$10,000+
per year, 2020–24
Median home value
$-666,666,666
owner-occupied
Effective rate
-0.00%
tax ÷ value
Tax vs. income
7.7%
of $129,191 median household income
Owner costs
$4,001/mo
median with a mortgage, incl. tax & insurance

Alto vs county, state and US

Effective rate

Alto-0.00%
Marin County0.66%
California0.70%
United States0.94%

Median tax paid per year

Alto$10,000+
Marin County$10,000+
California$5,124
United States$3,119

Tax on a home in Alto

At the local -0.00%+ effective rate

Home valueEstimated yearly taxPer month
$150,000$-2$-0
$250,000$-4$-0
$350,000$-5$-0
$500,000$-8$-1

Buying a home in Marin County? 2026 loan limits

Nearby and related

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.

Major Cities & Counties in California

Largest by population (Census ACS 2020–2024). Property tax for each:

Frequently asked questions

What is the property tax rate in Alto, California?

Homeowners in Alto, California paid a median $10,000+ a year in property tax on a median home worth $-666,666,666, an effective rate of at least about -0.00% (Census 2020–2024).

How much is property tax on a $250,000 home in Alto?

About $-4 a year at the -0.00% median effective rate. Exemptions such as homestead can lower it.

Is property tax in Alto higher than the rest of California?

Alto ranks #1 lowest of 895 California places we track. The statewide effective rate is 0.70%. Marin County overall is 0.66%.

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