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3605 WINDHILL LOOP, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,032 sqftBuilt 1998

Property at a Glance

This home is estimated between $380,829 and $430,369, with a best estimate of $386,131. 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

$380,829 $430,369
Best Estimate
$386,131
WCAD Value
$394,933
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 $380,829 and $430,369. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3648 WINDHILL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 721 sqft Built 1999
Raw Value $365,657
Adjusted Value $430,369

Adjusted +$63,311 for 311 sqft more living space and +$1,401 for being newer. Net adjustment: +$64,712.

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 $388,722

Adjusted -$35,625 for 175 sqft less living space and -$1,401 for being older. Net adjustment: -$37,026.

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 $385,024

Adjusted -$39,290 for 193 sqft less living space and -$1,401 for being older. Net adjustment: -$40,691.

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 $380,829

Adjusted -$34,607 for 170 sqft less living space and -$1,401 for being older. Net adjustment: -$36,008.

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 $386,131

Adjusted +$4,479 for 22 sqft more living space and +$1,401 for being newer. Net adjustment: +$5,880.

The Neighborhood

This home is valued 7.3% 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
$394,933
Median
$368,194

This home is +7.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,106 across all districts. With a homestead exemption claimed, that drops to $5,783 — saving $1,323 per year. That's $482 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%$3,527
Round RockCity0.3720%$1,469
Williamson CountyCounty0.3694%$1,459
Austin Community Collegespecial0.1034%$408
Williamson County FM/RdCounty0.0443%$175
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,106

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $386,131 would pay approximately $2,410 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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