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3903 LONE OAK TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,763 sqftBuilt 1983

Property at a Glance

This home is estimated between $355,594 and $1,246,711, with a best estimate of $496,373. 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

$355,594 $1,246,711
Best Estimate
$496,373
WCAD Value
$496,365
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 $355,594 and $1,246,711 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 $696,281

Adjusted +$35,932 for 116 sqft more living space and +$109,256 for being newer and -$25,775 for no garage. Net adjustment: +$119,413.

3 bed 2 bath 1,810 sqft Built 1977
Raw Value $276,505
Adjusted Value $355,594

Adjusted -$14,559 for 47 sqft less living space and +$93,648 for being newer. Net adjustment: +$79,089.

3 bed 1,660 sqft Built 1978
Raw Value $271,885
Adjusted Value $356,055

Adjusted +$31,905 for 103 sqft more living space and +$78,040 for being newer and -$25,775 for no garage. Net adjustment: +$84,170.

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 $496,373

Adjusted -$82,706 for 267 sqft less living space and +$62,432 for being newer and -$25,775 for no garage. Net adjustment: -$46,049.

3 bed 2 bath 1,940 sqft Built 1984
Raw Value $1,342,921
Adjusted Value $1,246,711

Adjusted -$54,827 for 177 sqft less living space and -$15,608 for being older and -$25,775 for no garage. Net adjustment: -$96,210.

The Neighborhood

This home is valued 30.5% 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
$496,365
Median
$714,415

This home is -30.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,581 across all districts. With a homestead exemption claimed, that drops to $6,239 — saving $1,342 per year. That's $520 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%$4,433
Williamson CountyCounty0.3694%$1,834
Austin Community Collegespecial0.1034%$513
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$496
Williamson County FM/RdCounty0.0443%$220
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$7,581

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $496,373 would pay approximately $3,098 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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