Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$429,829$225 / 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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

21921 SILVIA DR

ELGIN, TX 78621
3
Beds
3
Baths
1,913 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.
4.39 ac
Lot SizeThe size of the land the home sits on, from county records.
2010
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$430K
$358K low$502K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,055 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$481,526 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$331,714
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$400,336
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$130,205
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$732,050

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyTravis
Lot (acres)The size of the land the home sits on, from county records.4.39
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Blake Manor Elementary SchoolD-
Elementary · Grades KG–5 · 4.4 mi
H
Manor High SchoolF
High · Grades 9–12 · 7.8 mi
M
Manor Middle SchoolF
Middle · Grades 6–8 · 8.0 mi

District: Manor Independent School District

Neighborhood · ZIP 78621These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.27,790
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.151 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,713
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,527
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

Owner Tools

Do you own this home?
Claim this home

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

21921 Silvia Dr 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 83% of homes in Elgin 78621
  • Costs more per square foot than 80% of homes in Elgin 78621
  • Bigger than 69% of homes in Elgin 78621
  • Has a bigger lot than 98% of homes in Travis County
  • Newer than 71% of homes in Travis County

What homes are worth in Elgin 78621

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

This home
$179K$765K

This home is worth more than 83% of homes in Elgin 78621.

How it measures up in Elgin 78621

The dot is this home. The mark in the middle is the typical home in Elgin 78621.

Estimated value$429,829
CheaperTypical $278,278Pricier

Pricier than 83% of homes nearby

Price per ft²$225
CheaperTypical $171Pricier

Pricier than 80% of homes nearby

Living area1,913 ft²
SmallerTypical 1,600 ft²Bigger

Bigger than 69% of homes nearby

Lot size4.39 ac
SmallerTypical 0.39 acBigger

Bigger than 85% of homes nearby

Year built2010
OlderTypical 2005Newer

Newer than 59% of homes nearby

How 21921 Silvia Dr ranks against every home in each area.
MeasureThis homeElgin 78621Travis County
Estimated valuepricier than$429,82983% of homes42% of homes
Price per ft²pricier than$22580% of homes34% of homes
Living areabigger than1,913 ft²69% of homes53% of homes
Lot sizebigger than4.39 ac85% of homes98% of homes
Year builtnewer than201059% of homes71% of homes

About 21921 Silvia Dr

How much is 21921 Silvia Dr, Elgin, TX worth?

The TopHap Estimate for 21921 Silvia Dr, Elgin, TX is $429,829 as of Sep 24, 2026. The likely range is $357,595 to $502,063. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21921 Silvia Dr, Elgin, TX?

21921 Silvia Dr, Elgin, TX has 3 bedrooms, 3 bathrooms, 1,913 square feet of living space and a 4.39-acre lot.

When was 21921 Silvia Dr, Elgin, TX built?

21921 Silvia Dr, Elgin, TX was built in 2010, making it 16 years old. The building has 1 story.

What schools serve 21921 Silvia Dr, Elgin, TX?

21921 Silvia Dr, Elgin, TX is assigned to Blake Manor Elementary School (elementary), rated D-; Manor High School (high), rated F; Manor Middle School (middle), rated F. All sit in Manor Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21921 Silvia Dr, Elgin, TX compare to other homes in Elgin 78621?

Among the 13,676 homes in Elgin 78621, it is worth more than 83% of them ($429,829 against a typical $278,278), its price per square foot is higher than 80% of them ($225 against a typical $171), it is bigger than 69% of them (1,913 ft² against a typical 1,600 ft²), its lot is bigger than 85% of them (4.39 ac against a typical 0.39 ac) and it is newer than 59% of them (2010 against a typical 2005). Measured against all of Travis County, it is worth more than 42% 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 21921 Silvia Dr, Elgin, TX?

The 2024 property tax bill for 21921 Silvia Dr, Elgin, TX was $1,055. The county assessed it at $481,526.

More homes on Silvia Dr

Closest homes

More homes in Elgin 78621

Assigned schools

Explore the area

See this home in context

Open 21921 Silvia Dr 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