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303 TWIN RIDGE DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath988 sqftBuilt 1991

Property at a Glance

This home is estimated between $-9,431 and $660,416, with a best estimate of $394,845. That places the property above the R505490H - DOVE CREEK & TWIN RIDGE - GE 1985 median of $318,314, in a neighborhood that declined 16.9% over the past year.

Estimated Value Range

$-9,431 $660,416
Best Estimate
$394,845
WCAD Value
$321,645
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R505490H - DOVE CREEK & TWIN RIDGE - GE 1985. The estimated range of $-9,431 and $660,416 should be treated as a rough guide.

Comparable Properties (5)

301 TWIN RIDGE DR, ROUND ROCK, TX 78664
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,955 sqft Built 1991
Raw Value $301,972
Adjusted Value $-1,544

Adjusted -$303,516 for 967 sqft less living space. Net adjustment: -$303,516.

305 TWIN RIDGE DR, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
3 bed 2 bath 2,039 sqft Built 1991
Raw Value $320,450
Adjusted Value $-9,431

Adjusted -$329,881 for 1,051 sqft less living space. Net adjustment: -$329,881.

4 bed 2 bath 1,207 sqft Built 1999
Raw Value $573,885
Adjusted Value $396,286

Adjusted -$68,738 for 219 sqft less living space and -$108,861 for being older. Net adjustment: -$177,599.

4 bed 2 bath 1,691 sqft Built 1992
Raw Value $629,106
Adjusted Value $394,845

Adjusted -$220,653 for 703 sqft less living space and -$13,608 for being older. Net adjustment: -$234,261.

4 bed 3 bath 1,455 sqft Built 1993
Raw Value $834,210
Adjusted Value $660,416

Adjusted -$146,579 for 467 sqft less living space and -$27,215 for being older. Net adjustment: -$173,794.

The Neighborhood

This home is in line with the R505490H - DOVE CREEK & TWIN RIDGE - GE 1985 median of $318,314. Note that values in this subdivision declined 16.9% over the past year.

R505490H - DOVE CREEK & TWIN RIDGE - GE 1985

typical
37 Properties
$318,314 Median Value
-16.9% YoY Change
0% Have Pool
100% Have Garage
This Home
$321,645
Median
$318,314

This home is +1.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,787 across all districts. With a homestead exemption claimed, that drops to $4,478 — saving $1,309 per year. That's $373 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%$2,873
Round RockCity0.3720%$1,197
Williamson CountyCounty0.3694%$1,188
Austin Community Collegespecial0.1034%$333
Williamson County FM/RdCounty0.0443%$143
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,787

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $394,845 would pay approximately $2,465 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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