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Keystone

NeighborhoodThe kind of area this report covers. Neighborhood areas nest inside each other, from broad districts down to small pockets.Texas
$208K
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.
2
Sales (12 mo)How many homes sold here in the last 12 months. More sales make the other numbers more reliable.
$219K
Median valueThe middle estimated value of all homes here, not just the ones that recently sold.

Deed records through Apr 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
201720252026
Price per square footThe middle price per square foot, for sales where the size is known. It adjusts for homes being different sizes.$/ft²
201720252026
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
201720252026
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
201720252026
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
201720252026
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
2017201820212022202320242026

Housing Stock

HomesHow many homes we have records for in this area.654
Median value (AVM)The middle estimated value of all homes here, not just the ones that recently sold.$219K
Median sizeThe middle home size here, measured in square feet.1,212 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.1940
Single familyThe share of homes here that are single-family houses.94%

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.71%
Underwater (LTV ≥ 125%)The share of owners who owe at least 25% more than their home is worth.0.2%
Owner occupiedThe share of homes lived in by their owner rather than rented out or left empty.72%
Company ownedThe share of homes owned by a company or trust instead of a person.9.6%
Median loan-to-valueThe middle share of home value still owed on loans across all owners here.29%
Typical ownership tenureHow long the typical owner here has held their home.18.5 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.7%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.25%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.2,220
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,913 / 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.$66K
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.33 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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 Keystone compares

By median home value, Keystone is the 132nd most expensive of 232 neighborhoods in Bexar County, and its typical home is worth more than 35% of all homes in Bexar County.

Home values in Keystone

Share of homes at each estimated value.

Median
$138K$346K
neighborhoods in Bexar County ranked by median home value
#Bexar CountyMedian valueHomes
1Cielo Vista$1.2M369
2Terrell Hills$1.2M1,914
3Dominion$1.1M1,590
4Olmos Park$1.1M895
5Forest Crest$1M181
6Friends of Friedrich Wilderness Park$949K392
7Bentley Manor$907K320
8Lincoln Heights$879K384
9Alamo Heights$799K2,773
10Monte Vista$682K1,183
11Westfort Alliance$675K126
12Rogers Ranch$657K1,664
13Cibolo Canyons$627K1,240
14Hollywood Park$622K1,315
15Grey Forest$601K448
16Mission Ridge$594K261
17Deerfield$593K1,472
18King William$593K872
19Kinder Ranch$574K1,348
20Hunters Creek North$565K241
21Timber Wood Park$561K3,064
22Northwood Hills$545K175
23Downtown$540K803
24Crownridge of Texas$537K754
132Keystone$219K654

232 neighborhoods in Bexar County are ranked; the most valuable are listed here.

About the Keystone market

What is the median home price in Keystone, TX?

The median sale price in Keystone, TX is $208,257 (data through April 2026), based on deeds recorded with the county.

How many homes sell in Keystone, TX each year?

2 homes sold in Keystone, TX over the last 12 months (data through April 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 Keystone, TX?

Keystone, TX contains 654 residential properties, with a median of 1,212 square feet, 3 bedrooms, built around 1940. The median TopHap Estimate is $219K.

How does Keystone, TX compare to the rest of Bexar County?

By median home value, Keystone, TX is the 132nd most expensive of 232 neighborhoods in Bexar County. Its typical home is worth more than 35% of all homes in Bexar County. The ranking is rebuilt nightly from the county assessor record of every home in each area.

Do people own or rent in Keystone, TX?

72% of homes in Keystone, TX are owner-occupied. 10% are held by a company rather than an individual.

How much equity do owners in Keystone, TX hold?

71% of mortgaged homes in Keystone, TX are equity-rich, meaning the loan balance is under half the home's value. 0.2% owe more than the home is worth.

Nearby markets

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

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