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

1531 WEISKOPF LOOP, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,615 sqftBuilt 2000

Property at a Glance

This home is estimated between $518,543 and $1,007,882, with a best estimate of $856,989. That places the property below the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927, in a neighborhood that declined 3.1% over the past year.

Estimated Value Range

$518,543 $1,007,882
Best Estimate
$856,989
WCAD Value
$599,396
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $518,543 and $1,007,882. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

1520 WEISKOPF LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,490 sqft Built 2001
Raw Value $924,213
Adjusted Value $969,406

Adjusted +$43,731 for 125 sqft more living space and +$1,462 for being newer. Net adjustment: +$45,193.

1534 WEISKOPF LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,150 sqft Built 2000
Raw Value $705,713
Adjusted Value $518,543

Adjusted -$187,170 for 535 sqft less living space. Net adjustment: -$187,170.

1514 WEISKOPF LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,442 sqft Built 2003
Raw Value $942,971
Adjusted Value $1,007,882

Adjusted +$60,524 for 173 sqft more living space and +$4,387 for being newer. Net adjustment: +$64,911.

1540 WEISKOPF LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,624 sqft Built 2000
Raw Value $860,138
Adjusted Value $856,989

Adjusted -$3,149 for 9 sqft less living space. Net adjustment: -$3,149.

3 bed 2 bath 1,780 sqft Built 1998
Raw Value $322,334
Adjusted Value $611,534

Adjusted +$292,125 for 835 sqft more living space and -$2,925 for being older. Net adjustment: +$289,200.

The Neighborhood

This home is valued 34.2% below the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.1% over the past year.

R549699C - Forest Creek Sec 14,20,21,26-30,33,34

below average
271 Properties
$910,927 Median Value
-3.1% YoY Change
1% Have Pool
99% Have Garage
This Home
$599,396
Median
$910,927

This home is -34.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,785 across all districts. With a homestead exemption claimed, that drops to $9,424 — saving $1,361 per year. That's $785 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%$5,353
Round RockCity0.3720%$2,230
Williamson CountyCounty0.3694%$2,214
Austin Community Collegespecial0.1034%$620
Williamson County FM/RdCounty0.0443%$266
Upper Brushy Creek WCIDWater0.0170%$102
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,785

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $856,989 would pay approximately $5,349 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