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4004 LONE OAK TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,095 sqftBuilt 1974

Property at a Glance

This home is estimated between $317,962 and $1,209,079, with a best estimate of $658,649. 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

$317,962 $1,209,079
Best Estimate
$658,649
WCAD Value
$541,541
Low Confidence

Based on 5 comparable properties(2 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 $317,962 and $1,209,079 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 $658,649

Adjusted +$138,772 for 448 sqft more living space and -$31,216 for being older and -$25,775 for no garage. Net adjustment: +$81,781.

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 $458,741

Adjusted +$20,134 for 65 sqft more living space and -$78,040 for being older and -$25,775 for no garage. Net adjustment: -$83,681.

3 bed 2 bath 1,810 sqft Built 1977
Raw Value $276,505
Adjusted Value $317,962

Adjusted +$88,281 for 285 sqft more living space and -$46,824 for being older. Net adjustment: +$41,457.

4 bed 2 bath 1,998 sqft Built 1976
Raw Value $1,082,755
Adjusted Value $1,055,811

Adjusted +$30,047 for 97 sqft more living space and -$31,216 for being older and -$25,775 for no garage. Net adjustment: -$26,944.

3 bed 2 bath 1,940 sqft Built 1984
Raw Value $1,342,921
Adjusted Value $1,209,079

Adjusted +$48,013 for 155 sqft more living space and -$156,080 for being older and -$25,775 for no garage. Net adjustment: -$133,842.

The Neighborhood

This home is valued 24.2% 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
$541,541
Median
$714,415

This home is -24.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,271 across all districts. With a homestead exemption claimed, that drops to $6,920 — saving $1,351 per year. That's $577 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%$4,837
Williamson CountyCounty0.3694%$2,001
Austin Community Collegespecial0.1034%$560
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%$8,271

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $658,649 would pay approximately $4,111 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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