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Quadplex (4 Units, Any Combination)Residential

4220 SAM BASS RD

ROUND ROCK, TX 78681
6
Baths
3,980 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.
0.81 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,492 (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.$633,964 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$198,320
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$435,644
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$633,964
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$633,964

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.50
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
55
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
100
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
48
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
46
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Quadplex (4 Units, Any Combination)
CountyWilliamson
Lot (acres)The size of the land the home sits on, from county records.0.81
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
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.Patio · 90 ft²Porch · 256 ft²

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

H
Vista Ridge High SchoolA-
High · Grades 9–12 · 2.9 mi
M
Stiles Middle SchoolA+
Middle · Grades 6–8 · 3.3 mi
E
Akin Elementary SchoolA-
Elementary · Grades KG–5 · 3.4 mi

District: Leander Independent School District

Neighborhood · ZIP 78681These 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.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
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.72,545
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,224 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,547
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,868
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.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

4220 Sam Bass Rd 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.

  • Bigger than 96% of homes in Round Rock 78681
  • Has a bigger lot than 95% of homes in Round Rock 78681
  • Older than 86% of homes in Williamson County

How it measures up in Round Rock 78681

The dot is this home. The mark in the middle is the typical home in Round Rock 78681.

Living area3,980 ft²
SmallerTypical 2,313 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.81 ac
SmallerTypical 0.2 acBigger

Bigger than 95% of homes nearby

Year built1985
OlderTypical 1999Newer

Newer than 26% of homes nearby

How 4220 Sam Bass Rd ranks against every home in each area.
MeasureThis homeRound Rock 78681Williamson County
Living areabigger than3,980 ft²96% of homes96% of homes
Lot sizebigger than0.81 ac95% of homes83% of homes
Year builtnewer than198526% of homes14% of homes

About 4220 Sam Bass Rd

When did 4220 Sam Bass Rd, Round Rock, TX last sell?

4220 Sam Bass Rd, Round Rock, TX last sold on Jul 1, 1985, according to the county's recorded deed.

How big is 4220 Sam Bass Rd, Round Rock, TX?

4220 Sam Bass Rd, Round Rock, TX has 6 bathrooms, 3,980 square feet of living space and a 0.81-acre lot.

When was 4220 Sam Bass Rd, Round Rock, TX built?

4220 Sam Bass Rd, Round Rock, TX was built in 1985, making it 41 years old. The building has 2 stories.

What schools serve 4220 Sam Bass Rd, Round Rock, TX?

4220 Sam Bass Rd, Round Rock, TX is assigned to Vista Ridge High School (high), rated A-; Stiles Middle School (middle), rated A+; Akin Elementary School (elementary), rated A-. All sit in Leander Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4220 Sam Bass Rd, Round Rock, TX compare to other homes in Round Rock 78681?

Among the 18,081 homes in Round Rock 78681, it is bigger than 96% of them (3,980 ft² against a typical 2,313 ft²), its lot is bigger than 95% of them (0.81 ac against a typical 0.2 ac) and it is newer than 26% of them (1985 against a typical 1999). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4220 Sam Bass Rd, Round Rock, TX?

The 2025 property tax bill for 4220 Sam Bass Rd, Round Rock, TX was $10,492. The county assessed it at $633,964.

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