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3847 HARVEY PENICK DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,319 sqftBuilt 2008

Property at a Glance

This home is estimated between $556,484 and $792,886, with a best estimate of $663,535. That places the property above the R553505E - FOREST CREEK SEC 32, 34, 35 median of $494,830, in a neighborhood that declined 2.4% over the past year.

Estimated Value Range

$556,484 $792,886
Best Estimate
$663,535
WCAD Value
$455,139
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $556,484 and $792,886. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3 bed 2 bath 2,152 sqft Built 2005
Raw Value $587,338
Adjusted Value $636,595

Adjusted +$43,911 for 167 sqft more living space and +$5,346 for being newer. Net adjustment: +$49,257.

3929 HARVEY PENICK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,625 sqft Built 2007
Raw Value $608,625
Adjusted Value $792,886

Adjusted +$182,479 for 694 sqft more living space and +$1,782 for being newer. Net adjustment: +$184,261.

3926 HARVEY PENICK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,829 sqft Built 2007
Raw Value $598,560
Adjusted Value $729,182

Adjusted +$128,840 for 490 sqft more living space and +$1,782 for being newer. Net adjustment: +$130,622.

3 bed 2 bath 2,162 sqft Built 2002
Raw Value $504,512
Adjusted Value $556,484

Adjusted +$41,281 for 157 sqft more living space and +$10,691 for being newer. Net adjustment: +$51,972.

3851 HARVEY PENICK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,910 sqft Built 2007
Raw Value $554,211
Adjusted Value $663,535

Adjusted +$107,542 for 409 sqft more living space and +$1,782 for being newer. Net adjustment: +$109,324.

The Neighborhood

This home is valued 8.0% below the R553505E - FOREST CREEK SEC 32, 34, 35 median of $494,830. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.4% over the past year.

R553505E - FOREST CREEK SEC 32, 34, 35

typical
660 Properties
$494,830 Median Value
-2.4% YoY Change
0% Have Pool
98% Have Garage
This Home
$455,139
Median
$494,830

This home is -8.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,189 across all districts. With a homestead exemption claimed, that drops to $6,855 — saving $1,334 per year. That's $571 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%$4,065
Round RockCity0.3720%$1,693
Williamson CountyCounty0.3694%$1,681
Austin Community Collegespecial0.1034%$471
Williamson County FM/RdCounty0.0443%$202
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,189

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $663,535 would pay approximately $4,142 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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