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3800 HARVEY PENICK DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,143 sqftBuilt 2002

Property at a Glance

This home is estimated between $499,076 and $668,872, with a best estimate of $578,869. That places the property above the R550600D - Forest Creek Sec 15,16,19,31 median of $514,276, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$499,076 $668,872
Best Estimate
$578,869
WCAD Value
$453,122
High Confidence

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

Based on 5 comparable properties in R550600D - Forest Creek Sec 15,16,19,31, this home's estimated market value is between $499,076 and $668,872. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3645 HARVEY PENICK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,152 sqft Built 2005
Raw Value $587,338
Adjusted Value $578,869

Adjusted -$2,575 for 9 sqft less living space and -$5,894 for being older. Net adjustment: -$8,469.

3824 HARVEY PENICK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,970 sqft Built 2002
Raw Value $556,482
Adjusted Value $605,978

Adjusted +$49,496 for 173 sqft more living space. Net adjustment: +$49,496.

3736 HARVEY PENICK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,657 sqft Built 2002
Raw Value $529,824
Adjusted Value $668,872

Adjusted +$139,048 for 486 sqft more living space. Net adjustment: +$139,048.

3826 HARVEY PENICK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,162 sqft Built 2002
Raw Value $504,512
Adjusted Value $499,076

Adjusted -$5,436 for 19 sqft less living space. Net adjustment: -$5,436.

3803 HARVEY PENICK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,028 sqft Built 2003
Raw Value $543,834
Adjusted Value $574,771

Adjusted +$32,902 for 115 sqft more living space and -$1,965 for being older. Net adjustment: +$30,937.

The Neighborhood

This home is valued 11.9% below the R550600D - Forest Creek Sec 15,16,19,31 median of $514,276. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.7% over the past year.

R550600D - Forest Creek Sec 15,16,19,31

typical
274 Properties
$514,276 Median Value
-8.7% YoY Change
0% Have Pool
99% Have Garage
This Home
$453,122
Median
$514,276

This home is -11.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,153 across all districts. With a homestead exemption claimed, that drops to $6,819 — saving $1,334 per year. That's $568 per month a buyer should budget. The assessed value increased -2.6% vs the subdivision average of -8.7%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,047
Round RockCity0.3720%$1,686
Williamson CountyCounty0.3694%$1,674
Austin Community Collegespecial0.1034%$469
Williamson County FM/RdCounty0.0443%$201
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,153
31 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $578,869 would pay approximately $3,613 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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