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

658 REGGIE JACKSON TRL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,060 sqftBuilt 2001

Property at a Glance

This home is estimated between $190,648 and $357,626, with a best estimate of $355,675. That places the property above the R454400F - Ryan's Crossing Sec 1 Thru 6 median of $339,919, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$190,648 $357,626
Best Estimate
$355,675
WCAD Value
$346,769
High Confidence

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

Based on 5 comparable properties in R454400F - Ryan's Crossing Sec 1 Thru 6, this home's estimated market value is between $190,648 and $357,626. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

603 REGGIE JACKSON TRAIL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,828 sqft Built 2001
Raw Value $333,760
Adjusted Value $190,648

Adjusted -$143,112 for 768 sqft less living space. Net adjustment: -$143,112.

606 REGGIE JACKSON TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,321 sqft Built 2001
Raw Value $355,086
Adjusted Value $306,450

Adjusted -$48,636 for 261 sqft less living space. Net adjustment: -$48,636.

600 REGGIE JACKSON TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 920 sqft Built 2001
Raw Value $329,587
Adjusted Value $355,675

Adjusted +$26,088 for 140 sqft more living space. Net adjustment: +$26,088.

628 REGGIE JACKSON TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,001 sqft Built 2001
Raw Value $346,632
Adjusted Value $357,626

Adjusted +$10,994 for 59 sqft more living space. Net adjustment: +$10,994.

610 REGGIE JACKSON TRL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,000 sqft Built 2001
Raw Value $346,224
Adjusted Value $357,405

Adjusted +$11,181 for 60 sqft more living space. Net adjustment: +$11,181.

The Neighborhood

This home is valued 2.0% above the R454400F - Ryan's Crossing Sec 1 Thru 6 median of $339,919. With 567 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.

R454400F - Ryan's Crossing Sec 1 Thru 6

typical
567 Properties
$339,919 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$346,769
Median
$339,919

This home is +2.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,239 across all districts. With a homestead exemption claimed, that drops to $4,925 — saving $1,314 per year. That's $410 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%$3,097
Round RockCity0.3720%$1,290
Williamson CountyCounty0.3694%$1,281
Austin Community Collegespecial0.1034%$359
Williamson County FM/RdCounty0.0443%$154
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,239

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $355,675 would pay approximately $2,220 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