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Acorn

NeighborhoodThe kind of area this report covers. Neighborhood areas nest inside each other, from broad districts down to small pockets.California
$713K
Median sale priceThe middle sale price each month, counting normal open-market sales. The average runs above the median when a few expensive sales pull it up. Bars show how many homes sold.
+17.4%
1-yr changeHow much prices and sales counts changed since the same time last year, using a 3-month average to smooth out noise. Above the dashed line means growth.
7
Sales (12 mo)How many homes sold here in the last 12 months. More sales make the other numbers more reliable.
$527K
Median valueThe middle estimated value of all homes here, not just the ones that recently sold.

Deed records through Jul 2026 · Quarterly intervals (lower sales volume)Counties take time to publish deeds, so the newest months can be incomplete and may shift as more records arrive.

Market Trends

Sale pricesThe middle sale price each month, counting normal open-market sales. The average runs above the median when a few expensive sales pull it up. Bars show how many homes sold.MedianSales
20172018201920212022202420252026
Growth (year over year)How much prices and sales counts changed since the same time last year, using a 3-month average to smooth out noise. Above the dashed line means growth.PriceSales
20172018201920212022202420252026
Price per square footThe middle price per square foot, for sales where the size is known. It adjusts for homes being different sizes.$/ft²
20172018201920212022202420252026
Annual turnover (share of homes sold)The share of all homes here that sold in the trailing 12 months. Higher turnover means a more liquid market where homes trade hands more often.Turnover
20172018201920212022202420252026
Buyer mixWho is buying. Cash means no mortgage was recorded, investor means the buyer looked like an investor, and flip means the home resold within a year.CashInvestorFlip resale
20172018201920212022202420252026
Financing (share of purchase price)For buyers who borrowed: the middle share of the price they financed, and the middle share they paid up front.Loan (LTV)Down payment
20172018201920212022202420252026
Sellers who sold at a gainThe share of sellers each month who sold for more than they originally paid.Sold at gain
20172018201920212022202420252026
Typical hold before sellingThe middle number of years sellers owned their home before selling.Median hold
20172018201920212022202420252026
Median annualized return at resaleThe middle yearly gain sellers earned, spread across the years they owned the home. Only counts homes held at least a year.Annualized gain
20172018201920212022202420252026
Preforeclosure filingsForeclosure notices filed each month. A rise can be an early sign that more owners are struggling. Auction stage counts the filings that reached a scheduled foreclosure auction.FilingsAuction stage
2016201720182022202320252026

Housing Stock

HomesHow many homes we have records for in this area.239
Median value (AVM)The middle estimated value of all homes here, not just the ones that recently sold.$527K
Median sizeThe middle home size here, measured in square feet.1,742 ft²
Median bedroomsThe middle bedroom count for homes here.4
Median year builtThe middle build year for homes here. A recent year means most housing is newer.1946
Single familyThe share of homes here that are single-family houses.63%
CondosThe share of homes here that are condos.0.8%

Equity & Ownership

Equity rich (LTV ≤ 50%)The share of owners who owe half or less of what their home is worth, meaning they hold a lot of equity.46%
Underwater (LTV ≥ 125%)The share of owners who owe at least 25% more than their home is worth.2.9%
Owner occupiedThe share of homes lived in by their owner rather than rented out or left empty.64%
Company ownedThe share of homes owned by a company or trust instead of a person.36%
Median loan-to-valueThe middle share of home value still owed on loans across all owners here.55%
Typical ownership tenureHow long the typical owner here has held their home.19.9 yrs

CommunityThese are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.185
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.422

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.29%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.3,640
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,878 / mi²
Median household incomeThe middle household income here — half of households earn more, half earn less.$51K
Average household incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87K
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Market metrics are derived from recorded arms-length deeds and refreshed nightly. Temperature blends price momentum, sales velocity, turnover and resale outcomes, ranked against all neighborhoods nationally.

How Acorn compares

By median home value, Acorn is the 253rd most expensive of 308 neighborhoods in Alameda County, and its typical home is worth more than 11% of all homes in Alameda County.

Home values in Acorn

Share of homes at each estimated value.

Median
$348K$900K
neighborhoods in Alameda County ranked by median home value
#Alameda CountyMedian valueHomes
1Ruby Hill$3.9M954
2Vineyards / Avalon$3.6M1,454
3Bridle Creek / Sycamore Heights$3.3M155
4The Preserve and Kolb Ranch Estates$3.2M122
5Laguna Oaks$3.2M166
6Carriage Gardens / Castlewood Heights$2.8M101
7Mission Hills$2.8M1,754
8Mohr Estates$2.7M105
9Kottinger Ranch$2.7M241
10Los Olivos$2.7M121
11Pheasant Ridge / Carlton Oaks$2.6M233
12Happy Valley Area$2.5M168
13Claremont$2.5M1,231
14Ventana Hills$2.5M130
15The Oaks$2.4M124
16Castlewood$2.3M168
17Weibel$2.3M654
18Kimber / Gomes$2.3M2,647
19Cameron Hills$2.3M1,682
20Mission Valley$2.2M2,327
21Kristopher Ranch$2.2M155
22Hansen Hills / The Ridge$2.1M198
23Mission San Jose$2M1,926
24Private Reserve$2M152
253Acorn$527K239

308 neighborhoods in Alameda County are ranked; the most valuable are listed here.

About the Acorn market

What is the median home price in Acorn, CA?

The median sale price in Acorn, CA is $712,579 (data through July 2026), based on deeds recorded with the county. That is up 17.4% from a year earlier.

How many homes sell in Acorn, CA each year?

7 homes sold in Acorn, CA over the last 12 months (data through July 2026). TopHap counts recorded arm's-length deeds, not listings, so the figure is not affected by which brokerage handled the sale.

How many homes are there in Acorn, CA?

Acorn, CA contains 239 residential properties, with a median of 1,742 square feet, 4 bedrooms, built around 1946. The median TopHap Estimate is $527K.

How does Acorn, CA compare to the rest of Alameda County?

By median home value, Acorn, CA is the 253rd most expensive of 308 neighborhoods in Alameda County. Its typical home is worth more than 11% of all homes in Alameda County. The ranking is rebuilt nightly from the county assessor record of every home in each area.

Do people own or rent in Acorn, CA?

64% of homes in Acorn, CA are owner-occupied. 36% are held by a company rather than an individual.

How much equity do owners in Acorn, CA hold?

46% of mortgaged homes in Acorn, CA are equity-rich, meaning the loan balance is under half the home's value. 2.9% owe more than the home is worth.

Nearby markets

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Explore Acorn on the map

See every recorded sale, price heat map, school zone and flood overlay across Acorn in TopHap’s interactive 3D map.

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