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4127 SUMMERCREST LOOP N, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,396 sqftBuilt 1999

Property at a Glance

This home is estimated between $285,354 and $561,786, with a best estimate of $529,507. 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

$285,354 $561,786
Best Estimate
$529,507
WCAD Value
$573,638
High Confidence

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

Based on 5 comparable properties in L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C, this home's estimated market value is between $285,354 and $561,786. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4200 SUMMERCREST LOOP N, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,404 sqft Built 1999
Raw Value $552,692
Adjusted Value $550,440

Adjusted -$2,252 for 8 sqft less living space. Net adjustment: -$2,252.

4124 SUMMERCREST LOOP N, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,050 sqft Built 1999
Raw Value $432,089
Adjusted Value $529,507

Adjusted +$97,418 for 346 sqft more living space. Net adjustment: +$97,418.

4205 N SUMMERCREST LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,786 sqft Built 2000
Raw Value $610,030
Adjusted Value $496,671

Adjusted -$109,807 for 390 sqft less living space and -$3,552 for being older. Net adjustment: -$113,359.

4126 SUMMERCREST LOOP N, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,023 sqft Built 1999
Raw Value $461,889
Adjusted Value $285,354

Adjusted -$176,535 for 627 sqft less living space. Net adjustment: -$176,535.

4114 SUMMERCREST LOOP N, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,421 sqft Built 1999
Raw Value $568,825
Adjusted Value $561,786

Adjusted -$7,039 for 25 sqft less living space. Net adjustment: -$7,039.

The Neighborhood

This home is valued 27.6% 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
$573,638
Median
$449,628

This home is +27.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,095 across all districts. With a homestead exemption claimed, that drops to $9,467 — saving $1,628 per year. That's $789 per month a buyer should budget. The assessed value increased +5.6% vs the subdivision average of -2.9%. This above-average increase gives a protest opportunity score of 58 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$6,235
Williamson CountyCounty0.3694%$2,119
Vista Oaks MUDMUD0.2131%$1,222
Austin Community Collegespecial0.1034%$593
Williamson County ESD #9 - Round RockESD0.0999%$573
Williamson County FM/RdCounty0.0443%$254
Upper Brushy Creek WCIDWater0.0170%$98
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$11,095
58 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $529,507 would pay approximately $3,305 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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