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Harrington

NeighborhoodThe kind of area this report covers. Neighborhood areas nest inside each other, from broad districts down to small pockets.CaliforniaBalanced market
Market temperatureA 0 to 100 score comparing this area with every similar area nationwide each month. 0 is the strongest buyer's market, 100 the strongest seller's market.Balanced market · 53
Buyer's marketBalancedSeller's market
$570K
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.
-6.6%
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.
29
Sales (12 mo)How many homes sold here in the last 12 months. More sales make the other numbers more reliable.
$460K
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

Market temperature (0–100)How the 0 to 100 market score moved over time. It blends price growth, sales pace, how often homes change hands, and seller profits.Temperature
20162018201920202022202320252026
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
20162018201920202022202320252026
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
20162018201920202022202320252026
Price per square footThe middle price per square foot, for sales where the size is known. It adjusts for homes being different sizes.$/ft²
20162018201920202022202320252026
Sale premium vs estimated valueHow sale prices compare with our estimated values at the time of sale. Above the dashed line, homes sold for more than the models expected — a sign of competitive bidding. Below it, buyers paid under model value.Premium
20162018201920202022202320252026
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
20162018201920202022202320252026
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
20162018201920202022202320252026
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
20162018201920202022202320252026
Sellers who sold at a gainThe share of sellers each month who sold for more than they originally paid.Sold at gain
20162018201920202022202320252026
Typical hold before sellingThe middle number of years sellers owned their home before selling.Median hold
20162018201920202022202320252026
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
20162018201920202022202320252026
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
2016201820192020202320252026

Housing Stock

HomesHow many homes we have records for in this area.638
Median value (AVM)The middle estimated value of all homes here, not just the ones that recently sold.$460K
Median sizeThe middle home size here, measured in square feet.1,248 ft²
Median bedroomsThe middle bedroom count for homes here.3
Median year builtThe middle build year for homes here. A recent year means most housing is newer.1922
Single familyThe share of homes here that are single-family houses.72%
CondosThe share of homes here that are condos.1.1%

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.44%
Underwater (LTV ≥ 125%)The share of owners who owe at least 25% more than their home is worth.7.3%
Owner occupiedThe share of homes lived in by their owner rather than rented out or left empty.63%
Company ownedThe share of homes owned by a company or trust instead of a person.29%
Median loan-to-valueThe middle share of home value still owed on loans across all owners here.57%
Typical ownership tenureHow long the typical owner here has held their home.17.8 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.138
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.581

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
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.3,909
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23,130 / mi²
Median household incomeThe middle household income here — half of households earn more, half earn less.$52K
Average household incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79K
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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 Harrington compares

By median home value, Harrington is the 283rd most expensive of 308 neighborhoods in Alameda County, and its typical home is worth more than 7% of all homes in Alameda County.

Home values in Harrington

Share of homes at each estimated value.

Median
$304K$738K
neighborhoods in Alameda County ranked by median home value
#Alameda CountyMedian valueHomes
1Ruby Hill$3.9M954
2Vineyards / Avalon$3.3M1,455
3Bridle Creek / Sycamore Heights$3.3M155
4The Preserve and Kolb Ranch Estates$3.2M122
5Laguna Oaks$3M166
6Carriage Gardens / Castlewood Heights$2.8M101
7Mission Hills$2.7M1,755
8Pheasant Ridge / Carlton Oaks$2.7M233
9Mohr Estates$2.7M105
10Kottinger Ranch$2.6M241
11Los Olivos$2.5M121
12Claremont$2.5M1,229
13Happy Valley Area$2.4M168
14Kimber / Gomes$2.3M2,647
15The Oaks$2.3M124
16Ventana Hills$2.3M130
17Castlewood$2.3M168
18Mission Valley$2.3M2,327
19Cameron Hills$2.2M1,682
20Pleasonton Hills$2.1M137
21Mission San Jose$2.1M1,924
22Golden Eagle$2.1M242
23Weibel$2.1M654
24Positano$2.1M1,080
283Harrington$460K638

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

About the Harrington market

What is the median home price in Harrington, CA?

The median sale price in Harrington, CA is $570,000 (data through July 2026), based on deeds recorded with the county. That is down 6.6% from a year earlier.

How many homes sell in Harrington, CA each year?

29 homes sold in Harrington, 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.

Is Harrington, CA a buyer's or seller's market?

Harrington, CA is currently a balanced market, scoring 53 out of 100 on TopHap's market temperature index (data through July 2026). The score weighs sales velocity and price direction; above 60 favours sellers, below 40 favours buyers.

How many homes are there in Harrington, CA?

Harrington, CA contains 638 residential properties, with a median of 1,248 square feet, 3 bedrooms, built around 1922. The median TopHap Estimate is $460K.

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

By median home value, Harrington, CA is the 283rd most expensive of 308 neighborhoods in Alameda County. Its typical home is worth more than 7% 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 Harrington, CA?

63% of homes in Harrington, CA are owner-occupied. 29% are held by a company rather than an individual.

How much equity do owners in Harrington, CA hold?

44% of mortgaged homes in Harrington, CA are equity-rich, meaning the loan balance is under half the home's value. 7.3% owe more than the home is worth.

Nearby markets

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Explore Harrington on the map

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

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