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709 LASSO DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,018 sqftBuilt 1979

Property at a Glance

This home is estimated between $428,068 and $638,915, with a best estimate of $504,161. 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

$428,068 $638,915
Best Estimate
$504,161
WCAD Value
$327,535
Low Confidence

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

There are 5 comparable properties within range, but none are in R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN. The estimated range of $428,068 and $638,915 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 $504,161

Adjusted +$18,120 for 84 sqft more living space and +$1,559 for being newer. Net adjustment: +$19,679.

3 bed 2 bath 2,044 sqft Built 1981
Raw Value $455,252
Adjusted Value $446,525

Adjusted -$5,609 for 26 sqft less living space and -$3,118 for being older. Net adjustment: -$8,727.

3 bed 2 bath 1,971 sqft Built 1975
Raw Value $496,156
Adjusted Value $512,531

Adjusted +$10,139 for 47 sqft more living space and +$6,236 for being newer. Net adjustment: +$16,375.

4 bed 2 bath 1,657 sqft Built 1978
Raw Value $559,484
Adjusted Value $638,915

Adjusted +$77,872 for 361 sqft more living space and +$1,559 for being newer. Net adjustment: +$79,431.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $428,068

Adjusted +$30,416 for 141 sqft more living space and -$7,795 for being older. Net adjustment: +$22,621.

The Neighborhood

This home is valued 16.4% 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
$327,535
Median
$281,358

This home is +16.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,893 across all districts. With a homestead exemption claimed, that drops to $4,582 — saving $1,311 per year. That's $382 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%$2,925
Round RockCity0.3720%$1,218
Williamson CountyCounty0.3694%$1,210
Austin Community Collegespecial0.1034%$339
Williamson County FM/RdCounty0.0443%$145
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,893

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $504,161 would pay approximately $3,147 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.

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