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643 ALLENSCREEK WAY, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,303 sqftBuilt 2015

Property at a Glance

This home is estimated between $-11,315 and $477,657, with a best estimate of $170,659. That places the property below the R631414D - WARNER RANCH median of $436,007, in a neighborhood that declined 3.2% over the past year.

Estimated Value Range

$-11,315 $477,657
Best Estimate
$170,659
WCAD Value
$355,382
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R631414D - WARNER RANCH. The estimated range of $-11,315 and $477,657 should be treated as a rough guide.

Comparable Properties (5)

620 ALLENSCREEK WAY, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,362 sqft Built 2014
Raw Value $362,115
Adjusted Value $337,823

Adjusted -$14,180 for 59 sqft less living space and -$10,112 for being older. Net adjustment: -$24,292.

605 ALLENSCREEK WAY, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,045 sqft Built 2015
Raw Value $415,651
Adjusted Value $477,657

Adjusted +$62,006 for 258 sqft more living space. Net adjustment: +$62,006.

3 bed 2 bath 1,790 sqft Built 2009
Raw Value $348,376
Adjusted Value $170,659

Adjusted -$117,043 for 487 sqft less living space and -$60,674 for being older. Net adjustment: -$177,717.

4 bed 2 bath 1,310 sqft Built 1991
Raw Value $404,047
Adjusted Value $159,669

Adjusted -$1,682 for 7 sqft less living space and -$242,696 for being older. Net adjustment: -$244,378.

3 bed 2 bath 1,245 sqft Built 1984
Raw Value $288,228
Adjusted Value $-11,315

Adjusted +$13,939 for 58 sqft more living space and -$313,482 for being older. Net adjustment: -$299,543.

The Neighborhood

This home is valued 18.5% below the R631414D - WARNER RANCH median of $436,007. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.2% over the past year.

R631414D - WARNER RANCH

below average
275 Properties
$436,007 Median Value
-3.2% YoY Change
0% Have Pool
97% Have Garage
This Home
$355,382
Median
$436,007

This home is -18.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,394 across all districts. With a homestead exemption claimed, that drops to $5,078 — saving $1,316 per year. That's $423 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%$3,174
Round RockCity0.3720%$1,322
Williamson CountyCounty0.3694%$1,313
Austin Community Collegespecial0.1034%$367
Williamson County FM/RdCounty0.0443%$158
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,394

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $170,659 would pay approximately $1,065 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 4/19/2026.

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