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4003 LONE OAK TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,647 sqftBuilt 1976

Property at a Glance

This home is estimated between $236,181 and $974,029, with a best estimate of $347,598. That places the property below 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

$236,181 $974,029
Best Estimate
$347,598
WCAD Value
$576,868
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 $236,181 and $974,029 should be treated as a rough guide.

Comparable Properties (5)

4001 LONE OAK TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,030 sqft Built 1979
Raw Value $542,422
Adjusted Value $376,960

Adjusted -$118,638 for 383 sqft less living space and -$46,824 for being older. Net adjustment: -$165,462.

3 bed 1,660 sqft Built 1978
Raw Value $271,885
Adjusted Value $236,642

Adjusted -$4,027 for 13 sqft less living space and -$31,216 for being older. Net adjustment: -$35,243.

3 bed 2 bath 1,555 sqft Built 1977
Raw Value $334,708
Adjusted Value $347,598

Adjusted +$28,498 for 92 sqft more living space and -$15,608 for being older. Net adjustment: +$12,890.

4 bed 2 bath 1,998 sqft Built 1976
Raw Value $1,082,755
Adjusted Value $974,029

Adjusted -$108,726 for 351 sqft less living space. Net adjustment: -$108,726.

3 bed 2 bath 1,810 sqft Built 1977
Raw Value $276,505
Adjusted Value $236,181

Adjusted -$50,491 for 163 sqft less living space and -$15,608 for being older and +$25,775 for having a garage. Net adjustment: -$40,324.

The Neighborhood

This home is valued 19.3% 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
$576,868
Median
$714,415

This home is -19.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,810 across all districts. With a homestead exemption claimed, that drops to $7,453 — saving $1,357 per year. That's $621 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%$5,152
Williamson CountyCounty0.3694%$2,131
Austin Community Collegespecial0.1034%$596
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$577
Williamson County FM/RdCounty0.0443%$256
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$8,810

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $347,598 would pay approximately $2,170 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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