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1606 DIANA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,665 sqftBuilt 1999

Property at a Glance

This home is estimated between $206,175 and $356,737, with a best estimate of $326,691. 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

$206,175 $356,737
Best Estimate
$326,691
WCAD Value
$350,211
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 $206,175 and $356,737. 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 $287,126

Adjusted -$24,023 for 113 sqft less living space. Net adjustment: -$24,023.

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 $206,175

Adjusted -$170,075 for 800 sqft less living space and -$4,575 for being older. Net adjustment: -$174,650.

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 $326,691

Adjusted +$14,456 for 68 sqft more living space. Net adjustment: +$14,456.

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 $356,737

Adjusted +$66,542 for 313 sqft more living space and +$4,575 for being newer. Net adjustment: +$71,117.

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 $351,183

Adjusted +$72,707 for 342 sqft more living space. Net adjustment: +$72,707.

The Neighborhood

This home is valued 11.5% 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
$350,211
Median
$314,073

This home is +11.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,301 across all districts. With a homestead exemption claimed, that drops to $4,986 — saving $1,315 per year. That's $416 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%$3,128
Round RockCity0.3720%$1,303
Williamson CountyCounty0.3694%$1,294
Austin Community Collegespecial0.1034%$362
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,301

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $326,691 would pay approximately $2,039 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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