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1998 WESTVALLEY PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,393 sqftBuilt 2013

Property at a Glance

This home is estimated between $405,371 and $531,531, with a best estimate of $470,994. That places the property below the R420606C - TERAVISTA R5 median of $646,108, in a neighborhood that appreciated 2.5% over the past year.

Estimated Value Range

$405,371 $531,531
Best Estimate
$470,994
WCAD Value
$537,168
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R420606C - TERAVISTA R5. The estimated range of $405,371 and $531,531 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,328 sqft Built 2017
Raw Value $470,578
Adjusted Value $463,953

Adjusted +$18,807 for 65 sqft more living space and -$25,432 for being older. Net adjustment: -$6,625.

3 bed 2 bath 2,132 sqft Built 2015
Raw Value $408,191
Adjusted Value $470,994

Adjusted +$75,519 for 261 sqft more living space and -$12,716 for being older. Net adjustment: +$62,803.

3 bed 2,282 sqft Built 2020
Raw Value $417,760
Adjusted Value $405,371

Adjusted +$32,117 for 111 sqft more living space and -$44,506 for being older. Net adjustment: -$12,389.

3 bed 2 bath 2,148 sqft Built 2005
Raw Value $409,777
Adjusted Value $531,531

Adjusted +$70,890 for 245 sqft more living space and +$50,864 for being newer. Net adjustment: +$121,754.

3 bed 2 bath 1,961 sqft Built 2015
Raw Value $379,193
Adjusted Value $491,474

Adjusted +$124,997 for 432 sqft more living space and -$12,716 for being older. Net adjustment: +$112,281.

The Neighborhood

This home is valued 16.9% below the R420606C - TERAVISTA R5 median of $646,108. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 2.5% over the past year.

R420606C - TERAVISTA R5

below average
622 Properties
$646,108 Median Value
+2.5% YoY Change
1% Have Pool
99% Have Garage
This Home
$537,168
Median
$646,108

This home is -16.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,167 across all districts. With a homestead exemption claimed, that drops to $8,818 — saving $1,349 per year. That's $735 per month a buyer should budget. The assessed value increased +8.7% vs the subdivision average of +2.5%. This above-average increase gives a protest opportunity score of 46 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,797
Williamson CountyCounty0.3694%$1,985
Williamson County MUD #11MUD0.3656%$1,964
Austin Community Collegespecial0.1034%$555
Williamson County ESD #9 - Round RockESD0.0999%$537
Williamson County FM/RdCounty0.0443%$238
Upper Brushy Creek WCIDWater0.0170%$91
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$10,167
46 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $470,994 would pay approximately $2,940 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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