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Single Family ResidenceResidential
$489,693$212 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $175,600 on May 29, 2009

8311 MONTOYA CIR

AUSTIN, TX 78717
2.5
Baths
2,310 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$490K
$472K low$508K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,600 · May 29, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,656 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$518,989 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$101,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$417,989
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$480,008
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$518,989

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWILLIAMSON
Lot (acres)The size of the land the home sits on, from county records.0.24
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Deck · 240 ft²Patio · 28 ft²

Transaction History(4)

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

Foreclosure Filings(1)

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

M
Cedar Valley Middle SchoolA+
Middle · Grades 6–8 · 0.6 mi
E
Great Oaks Elementary SchoolA+
Elementary · Grades KG–5 · 0.7 mi
H
Round Rock High SchoolA
High · Grades 9–12 · 3.0 mi

District: Round Rock Independent School District

Neighborhood · ZIP 78717These 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.48
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 100.15

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.45,672
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,880 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,403
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,215
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%

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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

8311 Montoya Cir 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 70% of homes in Williamson County
  • Costs less per square foot than 79% of homes in Austin 78717
  • Has a bigger lot than 77% of homes in Woods of Brushy Creek
  • Older than 79% of homes in Austin 78717

What homes are worth in Austin 78717

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

This home
$301K$1.2M

This home is worth more than 32% of homes in Austin 78717.

How it measures up in Austin 78717

The dot is this home. The mark in the middle is the typical home in Austin 78717.

Estimated value$489,693
CheaperTypical $577,925Pricier

Pricier than 32% of homes nearby

Price per ft²$212
CheaperTypical $231Pricier

Pricier than 21% of homes nearby

Living area2,310 ft²
SmallerTypical 2,552 ft²Bigger

Bigger than 40% of homes nearby

Lot size0.24 ac
SmallerTypical 0.19 acBigger

Bigger than 76% of homes nearby

Year built1998
OlderTypical 2005Newer

Newer than 21% of homes nearby

How 8311 Montoya Cir ranks against every home in each area.
MeasureThis homeWoods of Brushy CreekAustin 78717Williamson County
Estimated valuepricier than$489,69332% of homes32% of homes70% of homes
Price per ft²pricier than$21236% of homes21% of homes65% of homes
Living areabigger than2,310 ft²39% of homes40% of homes59% of homes
Lot sizebigger than0.24 ac77% of homes76% of homes64% of homes
Year builtnewer than199871% of homes21% of homes29% of homes

About 8311 Montoya Cir

How much is 8311 Montoya Cir, Austin, TX worth?

The TopHap Estimate for 8311 Montoya Cir, Austin, TX is $489,693 as of Oct 21, 2026. The likely range is $471,621 to $507,765. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8311 Montoya Cir, Austin, TX last sell?

8311 Montoya Cir, Austin, TX last sold on May 29, 2009 for $175,600, according to the county's recorded deed.

How big is 8311 Montoya Cir, Austin, TX?

8311 Montoya Cir, Austin, TX has 2.5 bathrooms, 2,310 square feet of living space and a 0.24-acre lot.

When was 8311 Montoya Cir, Austin, TX built?

8311 Montoya Cir, Austin, TX was built in 1998, making it 28 years old. The building has 2 stories.

What schools serve 8311 Montoya Cir, Austin, TX?

8311 Montoya Cir, Austin, TX is assigned to Cedar Valley Middle School (middle), rated A+; Great Oaks Elementary School (elementary), rated A+; Round Rock High School (high), rated A. All sit in Round Rock Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8311 Montoya Cir, Austin, TX compare to other homes in Austin 78717?

Among the 9,399 homes in Austin 78717, it is worth more than 32% of them ($489,693 against a typical $577,925), its price per square foot is higher than 21% of them ($212 against a typical $231), it is bigger than 40% of them (2,310 ft² against a typical 2,552 ft²), its lot is bigger than 76% of them (0.24 ac against a typical 0.19 ac) and it is newer than 21% of them (1998 against a typical 2005). Measured against all of Williamson County, it is worth more than 70% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 8311 Montoya Cir, Austin, TX?

The 2025 property tax bill for 8311 Montoya Cir, Austin, TX was $7,656. The county assessed it at $518,989.

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