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

701 LASSO DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,970 sqftBuilt 1979

Property at a Glance

This home is estimated between $411,300 and $496,738, with a best estimate of $430,733. That places the property above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358, in a neighborhood that declined 9.6% over the past year.

Estimated Value Range

$411,300 $496,738
Best Estimate
$430,733
WCAD Value
$327,220
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN. The estimated range of $411,300 and $496,738 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,934 sqft Built 1978
Raw Value $484,482
Adjusted Value $488,369

Adjusted +$7,766 for 36 sqft more living space and +$1,559 for being newer and -$5,438 for no garage. Net adjustment: +$3,887.

3 bed 2 bath 2,044 sqft Built 1981
Raw Value $455,252
Adjusted Value $430,733

Adjusted -$15,963 for 74 sqft less living space and -$3,118 for being older and -$5,438 for no garage. Net adjustment: -$24,519.

3 bed 2 bath 1,971 sqft Built 1975
Raw Value $496,156
Adjusted Value $496,738

Adjusted -$216 for 1 sqft less living space and +$6,236 for being newer and -$5,438 for no garage. Net adjustment: +$582.

505 DRY CREEK CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $411,300

Adjusted +$154,450 for 716 sqft more living space and -$7,795 for being older and -$5,438 for no garage. Net adjustment: +$141,217.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $412,275

Adjusted +$20,061 for 93 sqft more living space and -$7,795 for being older and -$5,438 for no garage. Net adjustment: +$6,828.

The Neighborhood

This home is valued 16.3% above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. With 1,006 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.6% over the past year.

R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN

above average
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$327,220
Median
$281,358

This home is +16.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,888 across all districts. With a homestead exemption claimed, that drops to $4,577 — saving $1,311 per year. That's $381 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%$2,922
Round RockCity0.3720%$1,217
Williamson CountyCounty0.3694%$1,209
Austin Community Collegespecial0.1034%$338
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,888

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $430,733 would pay approximately $2,689 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