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3609 WINDHILL LOOP, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,202 sqftBuilt 1997

Property at a Glance

This home is estimated between $222,120 and $424,730, with a best estimate of $421,033. That places the property above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$222,120 $424,730
Best Estimate
$421,033
WCAD Value
$422,755
High Confidence

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

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $222,120 and $424,730. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3606 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,207 sqft Built 1997
Raw Value $425,748
Adjusted Value $424,730

Adjusted -$1,018 for 5 sqft less living space. Net adjustment: -$1,018.

3623 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,225 sqft Built 1997
Raw Value $425,715
Adjusted Value $421,033

Adjusted -$4,682 for 23 sqft less living space. Net adjustment: -$4,682.

3630 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,835 sqft Built 1997
Raw Value $350,982
Adjusted Value $222,120

Adjusted -$128,862 for 633 sqft less living space. Net adjustment: -$128,862.

3636 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,202 sqft Built 1997
Raw Value $416,837
Adjusted Value $416,837

This comparable closely matches the subject property's features.

3607 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,010 sqft Built 1999
Raw Value $380,251
Adjusted Value $422,139

Adjusted +$39,086 for 192 sqft more living space and +$2,802 for being newer. Net adjustment: +$41,888.

The Neighborhood

This home is valued 14.8% above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. With 1,045 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$422,755
Median
$368,194

This home is +14.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,607 across all districts. With a homestead exemption claimed, that drops to $6,278 — saving $1,329 per year. That's $523 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%$3,776
Round RockCity0.3720%$1,573
Williamson CountyCounty0.3694%$1,562
Austin Community Collegespecial0.1034%$437
Williamson County FM/RdCounty0.0443%$187
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,607

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $421,033 would pay approximately $2,628 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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