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4300 SUMMERCREST LOOP S, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,564 sqftBuilt 1999

Property at a Glance

This home is estimated between $309,223 and $669,085, with a best estimate of $531,402. That places the property above the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$309,223 $669,085
Best Estimate
$531,402
WCAD Value
$594,100
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $309,223 and $669,085. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3521 ASHMERE LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,237 sqft Built 1993
Raw Value $480,394
Adjusted Value $593,777

Adjusted +$92,069 for 327 sqft more living space and +$21,314 for being newer. Net adjustment: +$113,383.

4413 SUMMERCREST LOOP S, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,018 sqft Built 2000
Raw Value $440,601
Adjusted Value $309,223

Adjusted -$127,826 for 454 sqft less living space and -$3,552 for being older. Net adjustment: -$131,378.

3516 ASHMERE LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,328 sqft Built 1993
Raw Value $442,534
Adjusted Value $530,295

Adjusted +$66,447 for 236 sqft more living space and +$21,314 for being newer. Net adjustment: +$87,761.

4 bed 2 bath 1,446 sqft Built 2006
Raw Value $523,045
Adjusted Value $531,402

Adjusted +$33,224 for 118 sqft more living space and -$24,867 for being older. Net adjustment: +$8,357.

3 bed 2 bath 1,590 sqft Built 2002
Raw Value $687,062
Adjusted Value $669,085

Adjusted -$7,320 for 26 sqft less living space and -$10,657 for being older. Net adjustment: -$17,977.

The Neighborhood

This home is valued 32.1% above the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628. With 904 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.9% over the past year.

L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C

above average
904 Properties
$449,628 Median Value
-2.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$594,100
Median
$449,628

This home is +32.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,490 across all districts. With a homestead exemption claimed, that drops to $9,859 — saving $1,631 per year. That's $822 per month a buyer should budget. The assessed value increased +6.8% vs the subdivision average of -2.9%. This above-average increase gives a protest opportunity score of 64 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$6,457
Williamson CountyCounty0.3694%$2,195
Vista Oaks MUDMUD0.2131%$1,266
Austin Community Collegespecial0.1034%$614
Williamson County ESD #9 - Round RockESD0.0999%$594
Williamson County FM/RdCounty0.0443%$263
Upper Brushy Creek WCIDWater0.0170%$101
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$11,490
64 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $531,402 would pay approximately $3,317 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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