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101 TOWER DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,333 sqftBuilt 1977

Property at a Glance

This home is estimated between $237,011 and $545,331, with a best estimate of $339,665. That places the property above the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935, in a neighborhood that appreciated 0.3% over the past year.

Estimated Value Range

$237,011 $545,331
Best Estimate
$339,665
WCAD Value
$297,556
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 $237,011 and $545,331. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3 bed 2 bath 1,330 sqft Built 1970
Raw Value $526,682
Adjusted Value $545,331

Adjusted +$615 for 3 sqft more living space and +$18,034 for being newer. Net adjustment: +$18,649.

3 bed 2 bath 1,489 sqft Built 1978
Raw Value $469,441
Adjusted Value $434,875

Adjusted -$31,990 for 156 sqft less living space and -$2,576 for being older. Net adjustment: -$34,566.

200 TOWER DR, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
3 bed 2 bath 1,607 sqft Built 1974
Raw Value $370,454
Adjusted Value $321,995

Adjusted -$56,188 for 274 sqft less living space and +$7,729 for being newer. Net adjustment: -$48,459.

105 TOWER DR, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
3 bed 2 bath 1,602 sqft Built 1973
Raw Value $281,868
Adjusted Value $237,011

Adjusted -$55,162 for 269 sqft less living space and +$10,305 for being newer. Net adjustment: -$44,857.

113 FAIRLANE DR, ROUND ROCK, TX 78664
0.05 mi 92% similar Same subdivision
3 bed 2 bath 1,535 sqft Built 1968
Raw Value $357,901
Adjusted Value $339,665

Adjusted -$41,423 for 202 sqft less living space and +$23,187 for being newer. Net adjustment: -$18,236.

The Neighborhood

This home is valued 4.6% below the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 0.3% over the past year.

R605477I - South Park, Southern Terrace, Cushing PA

typical
125 Properties
$311,935 Median Value
+0.3% YoY Change
2% Have Pool
61% Have Garage
This Home
$297,556
Median
$311,935

This home is -4.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,354 across all districts. With a homestead exemption claimed, that drops to $4,049 — saving $1,305 per year. That's $337 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%$2,657
Round RockCity0.3720%$1,107
Williamson CountyCounty0.3694%$1,099
Austin Community Collegespecial0.1034%$308
Williamson County FM/RdCounty0.0443%$132
Upper Brushy Creek WCIDWater0.0170%$51
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,354

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $339,665 would pay approximately $2,120 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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