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Farm (Irrigated Or Dry)Agriculture / Farming
$651,864$396 / 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 85How 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
Last sold for $3,646,000 on Dec 7, 2020

4021 CALDWELL LN

DEL VALLE, TX 78617
2
Baths
1,647 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.
19.95 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.
1
StoriesHow many floors the home has above ground.

Valuation

$652K
$555K low$749K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,646,000 · Dec 7, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,871 (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.$953,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$799,038
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$153,962
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,080,706
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$953,000

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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Farm (Irrigated Or Dry)
CountyTRAVIS
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 456 ft²Porch · 23 ft²

Transaction History(2)

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.

H
Del Valle High SchoolD-
High · Grades 9–12 · 3.8 mi
M
Dailey Middle SchoolF
Middle · Grades 6–8 · 4.3 mi
E
Joseph Gilbert Elementary SchoolD+
Elementary · Grades EE–5 · 5.3 mi

District: Del Valle Independent School District

Neighborhood · ZIP 78617These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.29,646
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.428 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,373
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,434
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%

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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

4021 Caldwell Ln 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 most valuable homes in Del Valle 78617
  • Among the highest price per square foot in Del Valle 78617
  • Among the largest lots in Del Valle 78617
  • Older than 85% of homes in Del Valle 78617

What homes are worth in Del Valle 78617

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

This home
$156K$600K

This home is worth more than almost all homes in Del Valle 78617.

How it measures up in Del Valle 78617

The dot is this home. The mark in the middle is the typical home in Del Valle 78617.

Estimated value$651,864
CheaperTypical $282,694Pricier

Pricier than almost all homes nearby

Price per ft²$396
CheaperTypical $170Pricier

Pricier than almost all homes nearby

Living area1,647 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 55% of homes nearby

Lot size19.95 ac
SmallerTypical 0.19 acBigger

Bigger than almost all homes nearby

Year built1985
OlderTypical 2007Newer

Newer than 15% of homes nearby

How 4021 Caldwell Ln ranks against every home in each area.
MeasureThis homeDel Valle 78617Travis County
Estimated valuepricier than$651,864almost all homes68% of homes
Price per ft²pricier than$396almost all homes79% of homes
Living areabigger than1,647 ft²55% of homes39% of homes
Lot sizebigger than19.95 acalmost all homesalmost all homes
Year builtnewer than198515% of homes36% of homes

About 4021 Caldwell Ln

How much is 4021 Caldwell Ln, Del Valle, TX worth?

The TopHap Estimate for 4021 Caldwell Ln, Del Valle, TX is $651,864 as of Sep 24, 2026. The likely range is $554,507 to $749,221. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4021 Caldwell Ln, Del Valle, TX last sell?

4021 Caldwell Ln, Del Valle, TX last sold on Dec 7, 2020 for $3,646,000, according to the county's recorded deed.

How big is 4021 Caldwell Ln, Del Valle, TX?

4021 Caldwell Ln, Del Valle, TX has 2 bathrooms and 1,647 square feet of living space.

When was 4021 Caldwell Ln, Del Valle, TX built?

4021 Caldwell Ln, Del Valle, TX was built in 1985, making it 41 years old. The building has 1 story.

What schools serve 4021 Caldwell Ln, Del Valle, TX?

4021 Caldwell Ln, Del Valle, TX is assigned to Del Valle High School (high), rated D-; Dailey Middle School (middle), rated F; Joseph Gilbert Elementary School (elementary), rated D+. All sit in Del Valle Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4021 Caldwell Ln, Del Valle, TX compare to other homes in Del Valle 78617?

Among the 10,404 homes in Del Valle 78617, it is worth more than almost all of them ($651,864 against a typical $282,694), its price per square foot is higher than almost all of them ($396 against a typical $170), it is bigger than 55% of them (1,647 ft² against a typical 1,568 ft²), its lot is bigger than almost all of them (19.95 ac against a typical 0.19 ac) and it is newer than 15% of them (1985 against a typical 2007). Measured against all of Travis County, it is worth more than 68% 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 4021 Caldwell Ln, Del Valle, TX?

The 2025 property tax bill for 4021 Caldwell Ln, Del Valle, TX was $18,871. The county assessed it at $953,000.

More homes on Caldwell Ln

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