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1600 WHIRLWIND TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath880 sqftBuilt 1994

Property at a Glance

This home is estimated between $93,784 and $330,033, with a best estimate of $189,721. That places the property below the R602494H - Greenlawn Place median of $314,129, in a neighborhood that declined 4.3% over the past year.

Estimated Value Range

$93,784 $330,033
Best Estimate
$189,721
WCAD Value
$345,268
High Confidence

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

Based on 5 comparable properties in R602494H - Greenlawn Place, this home's estimated market value is between $93,784 and $330,033. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1606 SOUTHWESTERN TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 831 sqft Built 1995
Raw Value $299,441
Adjusted Value $308,404

Adjusted +$12,267 for 49 sqft more living space and -$3,304 for being older. Net adjustment: +$8,963.

1705 WHIRLWIND TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 776 sqft Built 1994
Raw Value $303,997
Adjusted Value $330,033

Adjusted +$26,036 for 104 sqft more living space. Net adjustment: +$26,036.

1603 SOUTHWESTERN TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,265 sqft Built 1995
Raw Value $289,408
Adjusted Value $189,721

Adjusted -$96,383 for 385 sqft less living space and -$3,304 for being older. Net adjustment: -$99,687.

2209 SOUTHEASTERN TRL, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
4 bed 2 bath 1,751 sqft Built 1997
Raw Value $321,746
Adjusted Value $93,784

Adjusted -$218,050 for 871 sqft less living space and -$9,912 for being older. Net adjustment: -$227,962.

1902 SOUTHEASTERN TRL, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,539 sqft Built 1998
Raw Value $305,880
Adjusted Value $127,687

Adjusted -$164,977 for 659 sqft less living space and -$13,216 for being older. Net adjustment: -$178,193.

The Neighborhood

This home is valued 9.9% above the R602494H - Greenlawn Place median of $314,129. With 219 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.3% over the past year.

R602494H - Greenlawn Place

typical
219 Properties
$314,129 Median Value
-4.3% YoY Change
1% Have Pool
99% Have Garage
This Home
$345,268
Median
$314,129

This home is +9.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,212 across all districts. With a homestead exemption claimed, that drops to $4,898 — saving $1,314 per year. That's $408 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%$3,084
Round RockCity0.3720%$1,284
Williamson CountyCounty0.3694%$1,276
Austin Community Collegespecial0.1034%$357
Williamson County FM/RdCounty0.0443%$153
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,212

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $189,721 would pay approximately $1,184 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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