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1616 DIANA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,323 sqftBuilt 1999

Property at a Glance

This home is estimated between $214,419 and $472,179, with a best estimate of $278,476. 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

$214,419 $472,179
Best Estimate
$278,476
WCAD Value
$273,507
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 $214,419 and $472,179. 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 $214,419

Adjusted -$96,730 for 455 sqft less living space. Net adjustment: -$96,730.

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 $472,179

Adjusted +$42,731 for 201 sqft more living space and +$4,575 for being newer. Net adjustment: +$47,306.

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 $253,984

Adjusted -$58,251 for 274 sqft less living space. Net adjustment: -$58,251.

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 $284,030

Adjusted -$6,165 for 29 sqft less living space and +$4,575 for being newer. Net adjustment: -$1,590.

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 $278,476

This comparable closely matches the subject property's features.

The Neighborhood

This home is valued 12.9% 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
$273,507
Median
$314,073

This home is -12.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,921 across all districts. With a homestead exemption claimed, that drops to $3,620 — saving $1,301 per year. That's $302 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%$2,443
Round RockCity0.3720%$1,017
Williamson CountyCounty0.3694%$1,010
Austin Community Collegespecial0.1034%$283
Williamson County FM/RdCounty0.0443%$121
Upper Brushy Creek WCIDWater0.0170%$46
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,921

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $278,476 would pay approximately $1,738 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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