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1104 LYNDA SUE ST, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath3,277 sqftBuilt 1975

Property at a Glance

This home is estimated between $530,812 and $787,366, with a best estimate of $700,721. 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

$530,812 $787,366
Best Estimate
$700,721
WCAD Value
$583,335
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 $530,812 and $787,366. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

1100 LYNDA SUE ST, ROUND ROCK, TX 78681
0.00 mi 85% similar Same subdivision
3 bed 1 bath 1,920 sqft Built 1983
Raw Value $245,124
Adjusted Value $530,812

Adjusted +$292,722 for 1,357 sqft more living space and -$12,472 for being older and +$5,438 for having a garage. Net adjustment: +$285,688.

1401 ROUNDUP TRL, ROUND ROCK, TX 78681
0.00 mi 78% similar Same subdivision
3 bed 2 bath 1,318 sqft Built 1977
Raw Value $275,450
Adjusted Value $694,913

Adjusted +$422,581 for 1,959 sqft more living space and -$3,118 for being older. Net adjustment: +$419,463.

410 BUCKBOARD BLVD, ROUND ROCK, TX 78681
0.00 mi 78% similar Same subdivision
3 bed 2 bath 1,345 sqft Built 1978
Raw Value $290,356
Adjusted Value $702,436

Adjusted +$416,757 for 1,932 sqft more living space and -$4,677 for being older. Net adjustment: +$412,080.

1505 ROUNDUP TRL, ROUND ROCK, TX 78681
0.00 mi 78% similar Same subdivision
3 bed 2 bath 1,257 sqft Built 1977
Raw Value $268,099
Adjusted Value $700,721

Adjusted +$435,740 for 2,020 sqft more living space and -$3,118 for being older. Net adjustment: +$432,622.

3 bed 2 bath 1,858 sqft Built 1976
Raw Value $482,829
Adjusted Value $787,366

Adjusted +$306,096 for 1,419 sqft more living space and -$1,559 for being older. Net adjustment: +$304,537.

The Neighborhood

This home is valued 107.3% 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

outlier high
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$583,335
Median
$281,358

This home is +107.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,642 across all districts. With a homestead exemption claimed, that drops to $5,311 — saving $1,331 per year. That's $443 per month a buyer should budget. The assessed value increased +16.0% vs the subdivision average of -9.6%. This above-average increase gives a protest opportunity score of 90 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,884
Williamson CountyCounty0.3694%$1,607
Austin Community Collegespecial0.1034%$450
Williamson County ESD #9 - Round RockESD0.0999%$435
Williamson County FM/RdCounty0.0443%$193
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$6,642
90 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $700,721 would pay approximately $4,374 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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