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903 LASSO DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,216 sqftBuilt 1984

Property at a Glance

This home is estimated between $261,886 and $328,800, with a best estimate of $282,222. 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

$261,886 $328,800
Best Estimate
$282,222
WCAD Value
$309,129
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 $261,886 and $328,800 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 $282,222

Adjusted -$11,433 for 53 sqft less living space and +$3,118 for being newer. Net adjustment: -$8,315.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $328,800

Adjusted -$18,767 for 87 sqft less living space. Net adjustment: -$18,767.

3 bed 2 bath 1,133 sqft Built 1979
Raw Value $293,501
Adjusted Value $319,200

Adjusted +$17,904 for 83 sqft more living space and +$7,795 for being newer. Net adjustment: +$25,699.

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 $261,886

Adjusted -$8,197 for 38 sqft less living space. Net adjustment: -$8,197.

3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $272,384

Adjusted +$863 for 4 sqft more living space and +$3,118 for being newer. Net adjustment: +$3,981.

The Neighborhood

This home is valued 9.9% 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

typical
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$309,129
Median
$281,358

This home is +9.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,562 across all districts. With a homestead exemption claimed, that drops to $4,255 — saving $1,307 per year. That's $355 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%$2,761
Round RockCity0.3720%$1,150
Williamson CountyCounty0.3694%$1,142
Austin Community Collegespecial0.1034%$320
Williamson County FM/RdCounty0.0443%$137
Upper Brushy Creek WCIDWater0.0170%$53
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,562

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $282,222 would pay approximately $1,762 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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