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4001 LONE OAK TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,030 sqftBuilt 1979

Property at a Glance

This home is estimated between $401,643 and $1,292,759, with a best estimate of $876,127. That places the property above the R201578D - Great Oaks Sec 1, 1 (AMD), & 2 median of $714,415, in a neighborhood that declined 6.8% over the past year.

Estimated Value Range

$401,643 $1,292,759
Best Estimate
$876,127
WCAD Value
$542,422
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R201578D - Great Oaks Sec 1, 1 (AMD), & 2. The estimated range of $401,643 and $1,292,759 should be treated as a rough guide.

Comparable Properties (5)

4003 LONE OAK TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,647 sqft Built 1976
Raw Value $576,868
Adjusted Value $742,330

Adjusted +$118,638 for 383 sqft more living space and +$46,824 for being newer. Net adjustment: +$165,462.

3 bed 2 bath 1,810 sqft Built 1977
Raw Value $276,505
Adjusted Value $401,643

Adjusted +$68,147 for 220 sqft more living space and +$31,216 for being newer and +$25,775 for having a garage. Net adjustment: +$125,138.

3 bed 2 bath 1,940 sqft Built 1984
Raw Value $1,342,921
Adjusted Value $1,292,759

Adjusted +$27,878 for 90 sqft more living space and -$78,040 for being older. Net adjustment: -$50,162.

4 bed 2 bath 1,998 sqft Built 1976
Raw Value $1,082,755
Adjusted Value $1,139,491

Adjusted +$9,912 for 32 sqft more living space and +$46,824 for being newer. Net adjustment: +$56,736.

3 bed 2 bath 2,414 sqft Built 1983
Raw Value $1,057,507
Adjusted Value $876,127

Adjusted -$118,948 for 384 sqft less living space and -$62,432 for being older. Net adjustment: -$181,380.

The Neighborhood

This home is valued 24.1% below the R201578D - Great Oaks Sec 1, 1 (AMD), & 2 median of $714,415. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 6.8% over the past year.

R201578D - Great Oaks Sec 1, 1 (AMD), & 2

below average
161 Properties
$714,415 Median Value
-6.8% YoY Change
5% Have Pool
74% Have Garage
This Home
$542,422
Median
$714,415

This home is -24.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,284 across all districts. With a homestead exemption claimed, that drops to $6,934 — saving $1,350 per year. That's $578 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,844
Williamson CountyCounty0.3694%$2,004
Austin Community Collegespecial0.1034%$561
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$542
Williamson County FM/RdCounty0.0443%$240
Upper Brushy Creek WCIDWater0.0170%$92
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$8,284

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $876,127 would pay approximately $5,469 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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