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1626 DIANA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath829 sqftBuilt 1999

Property at a Glance

This home is estimated between $173,455 and $367,158, with a best estimate of $320,104. 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

$173,455 $367,158
Best Estimate
$320,104
WCAD Value
$341,125
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 $173,455 and $367,158. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1601 DIANA DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,122 sqft Built 1998
Raw Value $424,873
Adjusted Value $367,158

Adjusted -$62,290 for 293 sqft less living space and +$4,575 for being newer. Net adjustment: -$57,715.

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 $179,009

Adjusted -$111,186 for 523 sqft less living space and +$4,575 for being newer. Net adjustment: -$106,611.

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 $173,455

Adjusted -$105,021 for 494 sqft less living space. Net adjustment: -$105,021.

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 $320,104

Adjusted -$25,299 for 119 sqft less living space. Net adjustment: -$25,299.

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 $349,677

Adjusted -$39,968 for 188 sqft less living space. Net adjustment: -$39,968.

The Neighborhood

This home is valued 8.6% 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

typical
108 Properties
$314,073 Median Value
-8.5% YoY Change
0% Have Pool
99% Have Garage
This Home
$341,125
Median
$314,073

This home is +8.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,138 across all districts. With a homestead exemption claimed, that drops to $4,824 — saving $1,314 per year. That's $402 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%$3,047
Round RockCity0.3720%$1,269
Williamson CountyCounty0.3694%$1,260
Austin Community Collegespecial0.1034%$353
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,138

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $320,104 would pay approximately $1,998 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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