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3820 HARVEY PENICK DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,355 sqftBuilt 2004

Property at a Glance

This home is estimated between $457,580 and $733,456, with a best estimate of $643,453. 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

$457,580 $733,456
Best Estimate
$643,453
WCAD Value
$466,438
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 $457,580 and $733,456. More comparables in the same subdivision would strengthen this estimate.

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 $643,453

Adjusted +$58,080 for 203 sqft more living space and -$1,965 for being older. Net adjustment: +$56,115.

3 bed 2 bath 2,319 sqft Built 2008
Raw Value $455,139
Adjusted Value $457,580

Adjusted +$10,300 for 36 sqft more living space and -$7,859 for being older. Net adjustment: +$2,441.

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 $670,563

Adjusted +$110,151 for 385 sqft more living space and +$3,930 for being newer. Net adjustment: +$114,081.

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 $733,456

Adjusted +$199,702 for 698 sqft more living space and +$3,930 for being newer. Net adjustment: +$203,632.

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 $563,661

Adjusted +$55,219 for 193 sqft more living space and +$3,930 for being newer. Net adjustment: +$59,149.

The Neighborhood

This home is valued 9.3% 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
$466,438
Median
$514,276

This home is -9.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,393 across all districts. With a homestead exemption claimed, that drops to $7,056 — saving $1,337 per year. That's $588 per month a buyer should budget. The assessed value increased +1.9% vs the subdivision average of -8.7%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,166
Round RockCity0.3720%$1,735
Williamson CountyCounty0.3694%$1,723
Austin Community Collegespecial0.1034%$482
Williamson County FM/RdCounty0.0443%$207
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,393
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $643,453 would pay approximately $4,016 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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