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1005 PENNY LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,013 sqftBuilt 1976

Property at a Glance

This home is estimated between $435,223 and $620,875, with a best estimate of $491,725. That places the property above the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515, in a neighborhood that declined 5.9% over the past year.

Estimated Value Range

$435,223 $620,875
Best Estimate
$491,725
WCAD Value
$471,702
High Confidence

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

Based on 5 comparable properties in R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK, this home's estimated market value is between $435,223 and $620,875. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1002 LAKEWOOD LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,290 sqft Built 1979
Raw Value $531,237
Adjusted Value $458,381

Adjusted -$65,755 for 277 sqft less living space and -$7,101 for being older. Net adjustment: -$72,856.

1002 PENNY LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,867 sqft Built 1977
Raw Value $402,932
Adjusted Value $435,223

Adjusted +$34,658 for 146 sqft more living space and -$2,367 for being older. Net adjustment: +$32,291.

1000 ST WILLIAMS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,700 sqft Built 1976
Raw Value $546,574
Adjusted Value $620,875

Adjusted +$74,301 for 313 sqft more living space. Net adjustment: +$74,301.

1002 ABBEY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,743 sqft Built 1976
Raw Value $427,631
Adjusted Value $491,725

Adjusted +$64,094 for 270 sqft more living space. Net adjustment: +$64,094.

1004 DEER RUN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,744 sqft Built 1976
Raw Value $431,850
Adjusted Value $495,706

Adjusted +$63,856 for 269 sqft more living space. Net adjustment: +$63,856.

The Neighborhood

This home is in line with the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. Note that values in this subdivision declined 5.9% over the past year.

R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK

typical
822 Properties
$476,515 Median Value
-5.9% YoY Change
5% Have Pool
96% Have Garage
This Home
$471,702
Median
$476,515

This home is -1.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,487 across all districts. With a homestead exemption claimed, that drops to $7,150 — saving $1,337 per year. That's $596 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%$4,213
Round RockCity0.3720%$1,755
Williamson CountyCounty0.3694%$1,743
Austin Community Collegespecial0.1034%$488
Williamson County FM/RdCounty0.0443%$209
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,487

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $491,725 would pay approximately $3,069 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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