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1604 DIANA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,849 sqftBuilt 2000

Property at a Glance

This home is estimated between $249,867 and $400,429, with a best estimate of $370,384. That places the property above the R655498G - Spring Ridge median of $314,073, in a neighborhood that declined 8.5% over the past year.

Estimated Value Range

$249,867 $400,429
Best Estimate
$370,384
WCAD Value
$282,487
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 $249,867 and $400,429. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1610 DIANA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,778 sqft Built 1999
Raw Value $311,149
Adjusted Value $330,818

Adjusted +$15,094 for 71 sqft more living space and +$4,575 for being newer. Net adjustment: +$19,669.

1642 DIANA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,465 sqft Built 2000
Raw Value $380,825
Adjusted Value $249,867

Adjusted -$130,958 for 616 sqft less living space. Net adjustment: -$130,958.

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 $370,384

Adjusted +$53,574 for 252 sqft more living space and +$4,575 for being newer. Net adjustment: +$58,149.

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 $400,429

Adjusted +$105,659 for 497 sqft more living space and +$9,150 for being newer. Net adjustment: +$114,809.

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 $394,875

Adjusted +$111,824 for 526 sqft more living space and +$4,575 for being newer. Net adjustment: +$116,399.

The Neighborhood

This home is valued 10.1% below the R655498G - Spring Ridge median of $314,073. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.5% over the past year.

R655498G - Spring Ridge

typical
108 Properties
$314,073 Median Value
-8.5% YoY Change
0% Have Pool
99% Have Garage
This Home
$282,487
Median
$314,073

This home is -10.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,083 across all districts. With a homestead exemption claimed, that drops to $3,780 — saving $1,303 per year. That's $315 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%$2,523
Round RockCity0.3720%$1,051
Williamson CountyCounty0.3694%$1,044
Austin Community Collegespecial0.1034%$292
Williamson County FM/RdCounty0.0443%$125
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,083

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $370,384 would pay approximately $2,312 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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