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Single Family ResidenceResidential
$398,972$189 / 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 88How 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

521 RIVER DOWN RD

GEORGETOWN, TX 78628
3
Baths
2,106 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.
1995
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$399K
$351K low$447K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,559 (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.$491,318 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$105,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$386,318
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$491,318
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$491,318

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.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyWilliamson
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1997
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.Porch · 285 ft²

Transaction History(3)

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.

M
Tippit Middle SchoolB-
Middle · Grades 6–8 · 0.5 mi
E
Wolf Ranch Elementary SchoolA-
Elementary · Grades PK–5 · 0.7 mi
H
East View High SchoolC+
High · Grades 9–12 · 5.5 mi

District: Georgetown Independent School District

Neighborhood · ZIP 78628These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.50,426
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.694 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,520
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,962
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

521 River Down 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.

  • Worth less than 86% of homes in River Ridge
  • Costs less per square foot than 71% of homes in Georgetown 78628
  • Smaller than 81% of homes in River Ridge
  • Has a smaller lot than 69% of homes in River Ridge
  • Older than 77% of homes in Williamson County

What homes are worth in Georgetown 78628

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

This home
$293K$1.3M

This home is worth more than 26% of homes in Georgetown 78628.

How it measures up in Georgetown 78628

The dot is this home. The mark in the middle is the typical home in Georgetown 78628.

Estimated value$398,972
CheaperTypical $490,660Pricier

Pricier than 26% of homes nearby

Price per ft²$189
CheaperTypical $207Pricier

Pricier than 29% of homes nearby

Living area2,106 ft²
SmallerTypical 2,431 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.24 ac
SmallerTypical 0.25 acBigger

Bigger than 46% of homes nearby

Year built1995
OlderTypical 2016Newer

Newer than 25% of homes nearby

How 521 River Down Rd ranks against every home in each area.
MeasureThis homeRiver RidgeGeorgetown 78628Williamson County
Estimated valuepricier than$398,97214% of homes26% of homes45% of homes
Price per ft²pricier than$18948% of homes29% of homes38% of homes
Living areabigger than2,106 ft²19% of homes35% of homes50% of homes
Lot sizebigger than0.24 ac31% of homes46% of homes64% of homes
Year builtnewer than199554% of homes25% of homes23% of homes

About 521 River Down Rd

How much is 521 River Down Rd, Georgetown, TX worth?

The TopHap Estimate for 521 River Down Rd, Georgetown, TX is $398,972 as of Jul 14, 2026. The likely range is $351,324 to $446,620. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 River Down Rd, Georgetown, TX last sell?

521 River Down Rd, Georgetown, TX last sold on May 31, 2022, according to the county's recorded deed.

How big is 521 River Down Rd, Georgetown, TX?

521 River Down Rd, Georgetown, TX has 3 bathrooms and 2,106 square feet of living space.

When was 521 River Down Rd, Georgetown, TX built?

521 River Down Rd, Georgetown, TX was built in 1995, making it 31 years old. The building has 1 story.

What schools serve 521 River Down Rd, Georgetown, TX?

521 River Down Rd, Georgetown, TX is assigned to Tippit Middle School (middle), rated B-; Wolf Ranch Elementary School (elementary), rated A-; East View High School (high), rated C+. All sit in Georgetown Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 River Down Rd, Georgetown, TX compare to other homes in Georgetown 78628?

Among the 20,623 homes in Georgetown 78628, it is worth more than 26% of them ($398,972 against a typical $490,660), its price per square foot is higher than 29% of them ($189 against a typical $207), it is bigger than 35% of them (2,106 ft² against a typical 2,431 ft²), its lot is bigger than 46% of them (0.24 ac against a typical 0.25 ac) and it is newer than 25% of them (1995 against a typical 2016). Measured against all of Williamson County, it is worth more than 45% 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 521 River Down Rd, Georgetown, TX?

The 2025 property tax bill for 521 River Down Rd, Georgetown, TX was $8,559. The county assessed it at $491,318.

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