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1601 DIANA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,122 sqftBuilt 1998

Property at a Glance

This home is estimated between $206,678 and $407,392, with a best estimate of $236,723. That places the property below the R655498G - Spring Ridge median of $314,073, in a neighborhood that declined 8.5% over the past year.

Estimated Value Range

$206,678 $407,392
Best Estimate
$236,723
WCAD Value
$424,873
High Confidence

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

Based on 5 comparable properties in R655498G - Spring Ridge, this home's estimated market value is between $206,678 and $407,392. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1630 DIANA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,597 sqft Built 1999
Raw Value $312,235
Adjusted Value $206,678

Adjusted -$100,982 for 475 sqft less living space and -$4,575 for being older. Net adjustment: -$105,557.

1617 DIANA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,352 sqft Built 1998
Raw Value $285,620
Adjusted Value $236,723

Adjusted -$48,897 for 230 sqft less living space. Net adjustment: -$48,897.

1620 DIANA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,323 sqft Built 1999
Raw Value $278,476
Adjusted Value $231,170

Adjusted -$42,731 for 201 sqft less living space and -$4,575 for being older. Net adjustment: -$47,306.

1622 DIANA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 948 sqft Built 1999
Raw Value $345,403
Adjusted Value $377,819

Adjusted +$36,991 for 174 sqft more living space and -$4,575 for being older. Net adjustment: +$32,416.

1600 DIANA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,017 sqft Built 1999
Raw Value $389,645
Adjusted Value $407,392

Adjusted +$22,322 for 105 sqft more living space and -$4,575 for being older. Net adjustment: +$17,747.

The Neighborhood

This home is valued 35.3% above the R655498G - Spring Ridge median of $314,073. With 108 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.5% over the past year.

R655498G - Spring Ridge

above average
108 Properties
$314,073 Median Value
-8.5% YoY Change
0% Have Pool
99% Have Garage
This Home
$424,873
Median
$314,073

This home is +35.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,645 across all districts. With a homestead exemption claimed, that drops to $6,316 — saving $1,329 per year. That's $526 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%$3,795
Round RockCity0.3720%$1,581
Williamson CountyCounty0.3694%$1,570
Austin Community Collegespecial0.1034%$439
Williamson County FM/RdCounty0.0443%$188
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,645

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $236,723 would pay approximately $1,478 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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