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Residential (General/Single)Residential
$436,797
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 Jul 14, 2026

1100 SUNDROP PL

ROUND ROCK, TX 78665
0
Baths
1.76 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$437K
$419K low$455K high
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.$436,797
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$349,438

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$184 (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.$10,528 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$528
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,528
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$10,528

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyWilliamson
Lot (acres)The size of the land the home sits on, from county records.1.76
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Gattis Elementary SchoolC
Elementary · Grades PK–5 · 0.5 mi
H
Cedar Ridge High SchoolB
High · Grades 9–12 · 0.9 mi
M
Ridgeview Middle SchoolA-
Middle · Grades 6–8 · 0.9 mi

District: Round Rock Independent School District

Neighborhood · ZIP 78665These 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.50
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 100.17

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.68,564
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,056 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,731
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,299
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

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

1100 Sundrop Pl 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.

  • Among the largest lots in Round Rock 78665

What homes are worth in Round Rock 78665

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

This home
$283K$799K

This home is worth more than 58% of homes in Round Rock 78665.

How it measures up in Round Rock 78665

The dot is this home. The mark in the middle is the typical home in Round Rock 78665.

Estimated value$436,797
CheaperTypical $411,700Pricier

Pricier than 58% of homes nearby

Lot size1.76 ac
SmallerTypical 0.18 acBigger

Bigger than almost all homes nearby

How 1100 Sundrop Pl ranks against every home in each area.
MeasureThis homeRound Rock 78665Williamson County
Estimated valuepricier than$436,79758% of homes56% of homes
Lot sizebigger than1.76 acalmost all homes91% of homes

About 1100 Sundrop Pl

How much is 1100 Sundrop Pl, Round Rock, TX worth?

The TopHap Estimate for 1100 Sundrop Pl, Round Rock, TX is $436,797 as of Jul 14, 2026. The likely range is $418,718 to $454,876. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1100 Sundrop Pl, Round Rock, TX last sell?

1100 Sundrop Pl, Round Rock, TX last sold on Aug 27, 2003, according to the county's recorded deed.

What schools serve 1100 Sundrop Pl, Round Rock, TX?

1100 Sundrop Pl, Round Rock, TX is assigned to Gattis Elementary School (elementary), rated C; Cedar Ridge High School (high), rated B; Ridgeview Middle School (middle), rated A-. All sit in Round Rock Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1100 Sundrop Pl, Round Rock, TX compare to other homes in Round Rock 78665?

Among the 20,792 homes in Round Rock 78665, it is worth more than 58% of them ($436,797 against a typical $411,700) and its lot is bigger than almost all of them (1.76 ac against a typical 0.18 ac). Measured against all of Williamson County, it is worth more than 56% 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 1100 Sundrop Pl, Round Rock, TX?

The 2025 property tax bill for 1100 Sundrop Pl, Round Rock, TX was $184. The county assessed it at $10,528.

More homes on Sundrop Pl

Closest homes

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Assigned schools

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