Castro Valley, CA · Houses & Market Data

Castro Valley, California houses and real estate market data.

Houses in Castro Valley, CA (Alameda County) — Census median home value $1,058,200, county listing prices down about 1.9% over the past year. Market data for Castro Valley houses and the broader area.

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Castro Valley, CA is in Alameda County, California — this guide covers houses in Castro Valley and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 65,389, with a median household income of $138,069. Census data puts the median value of houses in Castro Valley at $1,058,200.

Info from government sites and builders may have provided source info.

Market overview

Castro Valley housing market

Castro Valley is in Alameda County, California. Manifest Census and county price-trend data provide baseline context for houses in Castro Valley and the surrounding county market.

Median home value (Census ACS)

$1,058,200

Population (Census ACS)

65,389

Median household income

$138,069

Population, income, and median home value from the project batch manifest (Census ACS 2023 5-year). County-level FHFA price trend was not available in the manifest row.

At a glance

Castro Valley market snapshot

Population

65,389

County

Alameda County

Median Household Income

$138,069

Median Home Value (city)

$1,058,200

Median Gross Rent

$2,499/mo

Price Trend (YoY)

-1.9%

Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About

Local resources

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Why Castro Valley

What makes Castro Valley different

Home Value, By Source

The Census Bureau's American Community Survey (2023 5-year estimate) puts Castro Valley's median home value — across all owner-occupied homes, not just recent sales — at $1,058,200.

County Price Trend

Alameda County's FHFA house price index shows a -1.91% annual change in 2025.

Population & Income

Castro Valley has an estimated population of 65,389 and a median household income of $138,069, per the Census Bureau's American Community Survey (2023 5-year estimate).

Affordability Snapshot

Castro Valley's Census-reported median home value works out to about 7.7x the area's median household income, and median gross rent runs roughly 22% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.

Nearby

Places around Castro Valley

County guide: Alameda County — cities, market context, and local resources for the county that includes Castro Valley.

USAHouses.com also helps visitors looking in nearby Alameda County and other California communities. Some locations may not yet have dedicated pages, but many licensed professionals in this region assist surrounding communities.

Nearby communities include Fairview, Cherryland, Ashland, San Lorenzo, San Leandro, Hayward, Union City, Dublin, Oakland, Pleasanton, Alameda, Piedmont, Sunol, Newark, Emeryville, Fremont.

More California cities with market guides: San Jose, Long Beach, Bakersfield, Anaheim, Stockton, Santa Ana, Modesto, Oxnard.

Adjacent-county Census places with USAHouses.com pages: Norris Canyon (~4.8 mi), San Ramon (~8.2 mi), Danville (~8.8 mi), Moraga (~10.1 mi), Alamo (~10.5 mi), Blackhawk (~10.8 mi), Diablo (~10.8 mi), Camino Tassajara (~11.3 mi), Castle Hill (~11.5 mi), San Miguel (~12.4 mi), Saranap (~12.4 mi), Lafayette (~13.0 mi), Orinda (~13.3 mi), Walnut Creek (~13.5 mi), Acalanes Ridge (~13.6 mi), Shell Ridge (~13.7 mi).

New construction: New homes near Castro Valley (American Canyon) · New homes near Castro Valley (Anaheim) · California new construction.

ZIP codes

ZIP codes for Castro Valley

See all ZIP codes in Alameda County →

Census & home facts

Castro Valley data from published sources

Population (ACS 2023)

65,389

Median home value (ACS 2023)

$1,058,200

Median household income (ACS 2023)

$138,069

Median gross rent (ACS 2023)

$2,499

County FHFA annual change (2025)

-1.91%

Census place type

CDP

County

Alameda County

Land area (Census Gazetteer 2024)

16.85 sq mi

Census GEOID

0611964

Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.

Local life

Life in Castro Valley

Schools

Oakland Unified — 82 schools, 34,149 students enrolled, per the U.S. Department of Education's Common Core of Data. Alameda addresses may be served by Oakland Unified, but attendance zones vary by street — confirm assigned schools with the district before making a move.

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Common questions

Castro Valley FAQ

What are houses worth in Castro Valley, CA?

The Census Bureau's American Community Survey puts the median value of houses in Castro Valley at $1,058,200.

How much do houses cost in Castro Valley, CA?

For owner-occupied houses in Castro Valley, Census ACS data shows a median value of $1,058,200. Active listing prices in Alameda County may differ — see the market snapshot above.

What types of houses are in Castro Valley, CA?

Castro Valley houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding Alameda County communities where builders are active. The housing-stock section below uses Census ACS structure counts when available for this city.

What is the population of Castro Valley, CA?

The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Castro Valley's population at approximately 65,389.

What's the median rent in Castro Valley, CA?

The Census ACS estimates median gross rent in Castro Valley at approximately $2,499 per month.

What is the median household income in Castro Valley, CA?

Census ACS data puts the median household income in Castro Valley at approximately $138,069.

Is the Castro Valley housing market growing?

Alameda County's FHFA house price index shows a -1.91% annual change in 2025.

Is Castro Valley, CA affordable relative to income?

Census ACS data puts Castro Valley's median home value at about 7.7 times the median household income, with median gross rent equal to roughly 22% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.

What school district serves Castro Valley, CA?

Manifest and public school-directory data suggest Oakland Unified for many Castro Valley addresses, but attendance zones vary by street — verify your assigned schools with the district before making a move.

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