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3615 WINDHILL LOOP, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,113 sqftBuilt 1997

Property at a Glance

This home is estimated between $399,300 and $606,488, with a best estimate of $407,575. 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

$399,300 $606,488
Best Estimate
$407,575
WCAD Value
$354,309
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 $399,300 and $606,488. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $606,488

Adjusted +$180,773 for 888 sqft more living space. Net adjustment: +$180,773.

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 $407,575

Adjusted +$56,593 for 278 sqft more living space. Net adjustment: +$56,593.

3616 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,618 sqft Built 1997
Raw Value $298,531
Adjusted Value $399,300

Adjusted +$100,769 for 495 sqft more living space. Net adjustment: +$100,769.

3613 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,835 sqft Built 1997
Raw Value $350,850
Adjusted Value $407,443

Adjusted +$56,593 for 278 sqft more living space. Net adjustment: +$56,593.

3610 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,848 sqft Built 1997
Raw Value $363,885
Adjusted Value $417,832

Adjusted +$53,947 for 265 sqft more living space. Net adjustment: +$53,947.

The Neighborhood

This home is valued 3.8% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. 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
$354,309
Median
$368,194

This home is -3.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,375 across all districts. With a homestead exemption claimed, that drops to $5,059 — saving $1,316 per year. That's $422 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%$3,164
Round RockCity0.3720%$1,318
Williamson CountyCounty0.3694%$1,309
Austin Community Collegespecial0.1034%$366
Williamson County FM/RdCounty0.0443%$157
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,375

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $407,575 would pay approximately $2,544 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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