Beta Williamson County, TX only — data and coverage are limited during early access.

3108 PALM VALLEY BLVD E, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,552 sqftBuilt 1978

Property at a Glance

This home is estimated between $280,370 and $622,612, with a best estimate of $337,157. That places the property below the R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs median of $594,322, in a neighborhood that declined 11.1% over the past year.

Estimated Value Range

$280,370 $622,612
Best Estimate
$337,157
WCAD Value
$1,014,149
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs. The estimated range of $280,370 and $622,612 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,568 sqft Built 2009
Raw Value $561,502
Adjusted Value $337,157

Adjusted -$5,261 for 16 sqft less living space and -$119,031 for being older and -$100,053 for no garage. Net adjustment: -$224,345.

4 bed 3 bath 2,530 sqft Built 2009
Raw Value $834,462
Adjusted Value $622,612

Adjusted +$7,234 for 22 sqft more living space and -$119,031 for being older and -$100,053 for no garage. Net adjustment: -$211,850.

4 bed 2 bath 2,186 sqft Built 1995
Raw Value $388,121
Adjusted Value $343,147

Adjusted +$120,354 for 366 sqft more living space and -$65,275 for being older and -$100,053 for no garage. Net adjustment: -$44,974.

4 bed 3 bath 2,951 sqft Built 2011
Raw Value $638,340
Adjusted Value $280,370

Adjusted -$131,206 for 399 sqft less living space and -$126,711 for being older and -$100,053 for no garage. Net adjustment: -$357,970.

4 bed 2 bath 2,432 sqft Built 2007
Raw Value $456,949
Adjusted Value $285,004

Adjusted +$39,460 for 120 sqft more living space and -$111,352 for being older and -$100,053 for no garage. Net adjustment: -$171,945.

The Neighborhood

This home is valued 70.6% above the R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs median of $594,322. With 82 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 11.1% over the past year.

R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs

outlier high
82 Properties
$594,322 Median Value
-11.1% YoY Change
1% Have Pool
43% Have Garage
This Home
$1,014,149
Median
$594,322

This home is +70.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,167 across all districts. With a homestead exemption claimed, that drops to $12,745 — saving $1,422 per year. That's $1,062 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%$8,285
Williamson CountyCounty0.3694%$3,427
Austin Community Collegespecial0.1034%$959
Williamson County ESD #9 - Round RockESD0.0999%$927
Williamson County FM/RdCounty0.0443%$411
Upper Brushy Creek WCIDWater0.0170%$158
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$14,167

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $337,157 would pay approximately $2,105 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.

View full property details