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904 LASSO DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,309 sqftBuilt 1984

Property at a Glance

This home is estimated between $281,947 and $348,861, with a best estimate of $302,284. 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

$281,947 $348,861
Best Estimate
$302,284
WCAD Value
$281,912
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 $281,947 and $348,861 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $302,284

Adjusted +$8,629 for 40 sqft more living space and +$3,118 for being newer. Net adjustment: +$11,747.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $348,861

Adjusted +$1,294 for 6 sqft more living space. Net adjustment: +$1,294.

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 $281,947

Adjusted +$11,864 for 55 sqft more living space. Net adjustment: +$11,864.

3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $292,445

Adjusted +$20,924 for 97 sqft more living space and +$3,118 for being newer. Net adjustment: +$24,042.

3 bed 2 bath 1,550 sqft Built 1984
Raw Value $366,931
Adjusted Value $314,944

Adjusted -$51,987 for 241 sqft less living space. Net adjustment: -$51,987.

The Neighborhood

This home is in line with the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. Note that values in this subdivision declined 9.6% over the past year.

R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN

typical
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$281,912
Median
$281,358

This home is +0.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,072 across all districts. With a homestead exemption claimed, that drops to $3,770 — saving $1,302 per year. That's $314 per month a buyer should budget. The assessed value increased -2.1% vs the subdivision average of -9.6%. This above-average increase gives a protest opportunity score of 38 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,518
Round RockCity0.3720%$1,049
Williamson CountyCounty0.3694%$1,042
Austin Community Collegespecial0.1034%$291
Williamson County FM/RdCounty0.0443%$125
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,072
38 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $302,284 would pay approximately $1,887 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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