Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$994,590$199 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $100,000 on Jul 23, 2012

8818 SILVER ROCK

SAN ANTONIO, TX 78255
5
Beds
4.5
Baths
4,993 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$995K
$905K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$100,000 · Jul 23, 2012
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$914,590
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$731,672
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.7%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$80,000
CRESTMARK MORTGAGE CO · P · recorded Jul 23, 2012

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$905,950 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$141,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$764,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$837,932
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$905,950

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBEXAR
Lot (acres)The size of the land the home sits on, from county records.0.50
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 240 ft²Porch · 148 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Dr. Sara B. McAndrew Elementary SchoolA-
Elementary · Grades EE–5 · 3.1 mi
M
Ed Rawlinson Middle SchoolB+
Middle · Grades 6–8 · 8.4 mi
H
Tom C. Clark High SchoolB-
High · Grades 9–12 · 9.2 mi

District: Northside Independent School District

Neighborhood · ZIP 78255These 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.39
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.16,805
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.914 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,898
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,194
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

8818 Silver Rock measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 98% of homes in Bexar County
  • Costs more per square foot than 85% of homes in Bexar County
  • Among the largest homes in Bexar County
  • Has a bigger lot than 90% of homes in Bexar County
  • Newer than 80% of homes in Bexar County

What homes are worth in San Antonio 78255

Each bar is how many homes fall in that price range. The marker is this home.

This home
$336K$1.9M

This home is worth more than 85% of homes in San Antonio 78255.

How it measures up in San Antonio 78255

The dot is this home. The mark in the middle is the typical home in San Antonio 78255.

Estimated value$994,590
CheaperTypical $601,786Pricier

Pricier than 85% of homes nearby

Price per ft²$199
CheaperTypical $208Pricier

Pricier than 42% of homes nearby

Living area4,993 ft²
SmallerTypical 2,942 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.5 ac
SmallerTypical 0.27 acBigger

Bigger than 59% of homes nearby

Year built2012
OlderTypical 2008Newer

Newer than 69% of homes nearby

How 8818 Silver Rock ranks against every home in each area.
MeasureThis homeSan Antonio 78255Bexar County
Estimated valuepricier than$994,59085% of homes98% of homes
Price per ft²pricier than$19942% of homes85% of homes
Living areabigger than4,993 ft²97% of homesalmost all homes
Lot sizebigger than0.5 ac59% of homes90% of homes
Year builtnewer than201269% of homes80% of homes

About 8818 Silver Rock

How much is 8818 Silver Rock, San Antonio, TX worth?

The TopHap Estimate for 8818 Silver Rock, San Antonio, TX is $994,590 as of Jul 14, 2026. The likely range is $904,598 to $1,084,582. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8818 Silver Rock, San Antonio, TX last sell?

8818 Silver Rock, San Antonio, TX last sold on Jul 23, 2012 for $100,000, according to the county's recorded deed.

How big is 8818 Silver Rock, San Antonio, TX?

8818 Silver Rock, San Antonio, TX has 5 bedrooms, 4.5 bathrooms, 4,993 square feet of living space and a 0.50-acre lot.

When was 8818 Silver Rock, San Antonio, TX built?

8818 Silver Rock, San Antonio, TX was built in 2012, making it 14 years old. The building has 2 stories.

What schools serve 8818 Silver Rock, San Antonio, TX?

8818 Silver Rock, San Antonio, TX is assigned to Dr. Sara B. McAndrew Elementary School (elementary), rated A-; Ed Rawlinson Middle School (middle), rated B+; Tom C. Clark High School (high), rated B-. All sit in Northside Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8818 Silver Rock, San Antonio, TX compare to other homes in San Antonio 78255?

Among the 6,529 homes in San Antonio 78255, it is worth more than 85% of them ($994,590 against a typical $601,786), its price per square foot is higher than 42% of them ($199 against a typical $208), it is bigger than 97% of them (4,993 ft² against a typical 2,942 ft²), its lot is bigger than 59% of them (0.5 ac against a typical 0.27 ac) and it is newer than 69% of them (2012 against a typical 2008). Measured against all of Bexar County, it is worth more than 98% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

Closest homes

More homes in San Antonio 78255

Assigned schools

Explore the area

See this home in context

Open 8818 Silver Rock on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map