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200 TWIN RIDGE RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,808 sqftBuilt 1920

Property at a Glance

This home is estimated between $321,078 and $1,098,571, with a best estimate of $560,866. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$321,078 $1,098,571
Best Estimate
$560,866
WCAD Value
$599,139
Low Confidence

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

There are 5 comparable properties within range, but none are in R701575F - OLD TOWN ROUND ROCK. The estimated range of $321,078 and $1,098,571 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2,659 sqft Built 1909
Raw Value $901,878
Adjusted Value $1,098,571

Adjusted +$38,257 for 149 sqft more living space and +$34,016 for being newer and +$124,420 for having a garage. Net adjustment: +$196,693.

4 bed 4 bath 2,581 sqft Built 1902
Raw Value $922,373
Adjusted Value $1,036,320

Adjusted +$58,285 for 227 sqft more living space and +$55,662 for being newer. Net adjustment: +$113,947.

3 bed 2 bath 2,955 sqft Built 1993
Raw Value $675,365
Adjusted Value $321,078

Adjusted -$37,744 for 147 sqft less living space and -$225,741 for being older and -$90,802 for no pool. Net adjustment: -$354,287.

3 bed 2 bath 2,666 sqft Built 1992
Raw Value $747,054
Adjusted Value $560,866

Adjusted +$36,460 for 142 sqft more living space and -$222,648 for being older. Net adjustment: -$186,188.

4 bed 2 bath 2,883 sqft Built 1993
Raw Value $668,229
Adjusted Value $423,231

Adjusted -$19,257 for 75 sqft less living space and -$225,741 for being older. Net adjustment: -$244,998.

The Neighborhood

This home is valued 87.7% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

outlier high
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$599,139
Median
$319,256

This home is +87.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,780 across all districts. With a homestead exemption claimed, that drops to $9,419 — saving $1,361 per year. That's $785 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%$5,351
Round RockCity0.3720%$2,229
Williamson CountyCounty0.3694%$2,214
Austin Community Collegespecial0.1034%$620
Williamson County FM/RdCounty0.0443%$266
Upper Brushy Creek WCIDWater0.0170%$102
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,780

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $560,866 would pay approximately $3,501 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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