Beta Williamson County, TX only — data and coverage are limited during early access.

1621 WESTMEADOW TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,868 sqftBuilt 2009

Property at a Glance

This home is estimated between $320,846 and $554,259, with a best estimate of $402,186. That places the property below the R417506E - TERAVISTA R4 median of $430,980, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$320,846 $554,259
Best Estimate
$402,186
WCAD Value
$370,722
High Confidence

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

Based on 5 comparable properties in R417506E - TERAVISTA R4, this home's estimated market value is between $320,846 and $554,259. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2004 GREENSIDE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,071 sqft Built 2014
Raw Value $443,707
Adjusted Value $399,404

Adjusted -$48,398 for 203 sqft less living space and +$4,095 for being newer. Net adjustment: -$44,303.

1721 WESTMEADOW TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,762 sqft Built 2006
Raw Value $485,705
Adjusted Value $508,520

Adjusted +$25,272 for 106 sqft more living space and -$2,457 for being older. Net adjustment: +$22,815.

1720 WESTMEADOW TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,432 sqft Built 2007
Raw Value $456,949
Adjusted Value $320,846

Adjusted -$134,465 for 564 sqft less living space and -$1,638 for being older. Net adjustment: -$136,103.

2010 GREENSIDE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,616 sqft Built 2013
Raw Value $490,903
Adjusted Value $554,259

Adjusted +$60,080 for 252 sqft more living space and +$3,276 for being newer. Net adjustment: +$63,356.

1728 GREENSIDE TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,043 sqft Built 2008
Raw Value $444,727
Adjusted Value $402,186

Adjusted -$41,722 for 175 sqft less living space and -$819 for being older. Net adjustment: -$42,541.

The Neighborhood

This home is valued 14.0% below the R417506E - TERAVISTA R4 median of $430,980. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

R417506E - TERAVISTA R4

typical
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$370,722
Median
$430,980

This home is -14.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,017 across all districts. With a homestead exemption claimed, that drops to $5,698 — saving $1,319 per year. That's $475 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%$3,311
Williamson CountyCounty0.3694%$1,370
Williamson County MUD #11MUD0.3656%$1,355
Austin Community Collegespecial0.1034%$383
Williamson County ESD #9 - Round RockESD0.0999%$370
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$7,017

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $402,186 would pay approximately $2,510 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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