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1204 PENNY LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,850 sqftBuilt 1976

Property at a Glance

This home is estimated between $555,902 and $718,314, with a best estimate of $578,411. 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

$555,902 $718,314
Best Estimate
$578,411
WCAD Value
$626,052
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK. The estimated range of $555,902 and $718,314 should be treated as a rough guide.

Comparable Properties (5)

1200 ABBEY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,858 sqft Built 1976
Raw Value $482,829
Adjusted Value $718,314

Adjusted +$235,485 for 992 sqft more living space. Net adjustment: +$235,485.

3 bed 2 bath 2,156 sqft Built 1992
Raw Value $435,442
Adjusted Value $562,314

Adjusted +$164,745 for 694 sqft more living space and -$37,873 for being older. Net adjustment: +$126,872.

3 bed 2 bath 1,982 sqft Built 1989
Raw Value $403,133
Adjusted Value $578,411

Adjusted +$206,050 for 868 sqft more living space and -$30,772 for being older. Net adjustment: +$175,278.

3 bed 2 bath 2,042 sqft Built 1992
Raw Value $401,968
Adjusted Value $555,902

Adjusted +$191,807 for 808 sqft more living space and -$37,873 for being older. Net adjustment: +$153,934.

3 bed 2 bath 1,722 sqft Built 1989
Raw Value $351,234
Adjusted Value $588,232

Adjusted +$267,770 for 1,128 sqft more living space and -$30,772 for being older. Net adjustment: +$236,998.

The Neighborhood

This home is valued 31.4% above the R325576F - ROUND ROCK WEST/LAKE CREEK WEST/SHADOW BROOK median of $476,515. With 822 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.9% over the past year.

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

above average
822 Properties
$476,515 Median Value
-5.9% YoY Change
5% Have Pool
96% Have Garage
This Home
$626,052
Median
$476,515

This home is +31.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,264 across all districts. With a homestead exemption claimed, that drops to $9,898 — saving $1,366 per year. That's $825 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%$5,591
Round RockCity0.3720%$2,329
Williamson CountyCounty0.3694%$2,313
Austin Community Collegespecial0.1034%$647
Williamson County FM/RdCounty0.0443%$278
Upper Brushy Creek WCIDWater0.0170%$106
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,264

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $578,411 would pay approximately $3,610 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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