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3641 PENELOPE WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,703 sqftBuilt 2015

Property at a Glance

This home is estimated between $327,892 and $384,555, with a best estimate of $352,730. That places the property below the R493607C - PALOMA LAKE SEC 18 median of $387,915, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$327,892 $384,555
Best Estimate
$352,730
WCAD Value
$353,768
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R493607C - PALOMA LAKE SEC 18. The estimated range of $327,892 and $384,555 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,915 sqft Built 2015
Raw Value $385,097
Adjusted Value $342,666

Adjusted -$42,431 for 212 sqft less living space. Net adjustment: -$42,431.

3 bed 2 bath 1,810 sqft Built 2015
Raw Value $374,146
Adjusted Value $352,730

Adjusted -$21,416 for 107 sqft less living space. Net adjustment: -$21,416.

3 bed 2 bath 1,866 sqft Built 2016
Raw Value $416,652
Adjusted Value $384,555

Adjusted -$32,624 for 163 sqft less living space and +$527 for being newer. Net adjustment: -$32,097.

3 bed 2 bath 2,011 sqft Built 2016
Raw Value $389,010
Adjusted Value $327,892

Adjusted -$61,645 for 308 sqft less living space and +$527 for being newer. Net adjustment: -$61,118.

3 bed 1,837 sqft Built 2021
Raw Value $379,281
Adjusted Value $355,626

Adjusted -$26,820 for 134 sqft less living space and +$3,165 for being newer. Net adjustment: -$23,655.

The Neighborhood

This home is valued 8.8% below the R493607C - PALOMA LAKE SEC 18 median of $387,915. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.2% over the past year.

R493607C - PALOMA LAKE SEC 18

typical
295 Properties
$387,915 Median Value
-9.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$353,768
Median
$387,915

This home is -8.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,894 across all districts. With a homestead exemption claimed, that drops to $5,578 — saving $1,316 per year. That's $465 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%$3,160
Paloma Lakes MUD #2MUD0.4215%$1,491
Williamson CountyCounty0.3694%$1,307
Austin Community Collegespecial0.1034%$366
Williamson County ESD #9 - Round RockESD0.0999%$353
Williamson County FM/RdCounty0.0443%$157
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$6,894

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $352,730 would pay approximately $2,202 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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