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3509 PENELOPE WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,751 sqftBuilt 2012

Property at a Glance

This home is estimated between $348,810 and $371,145, with a best estimate of $355,729. 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

$348,810 $371,145
Best Estimate
$355,729
WCAD Value
$352,116
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 $348,810 and $371,145 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,840 sqft Built 2006
Raw Value $376,707
Adjusted Value $355,729

Adjusted -$17,813 for 89 sqft less living space and -$3,165 for being older. Net adjustment: -$20,978.

3 bed 2 bath 1,705 sqft Built 2006
Raw Value $344,082
Adjusted Value $350,124

Adjusted +$9,207 for 46 sqft more living space and -$3,165 for being older. Net adjustment: +$6,042.

3 bed 2 bath 1,881 sqft Built 2006
Raw Value $377,994
Adjusted Value $348,810

Adjusted -$26,019 for 130 sqft less living space and -$3,165 for being older. Net adjustment: -$29,184.

3 bed 2 bath 1,828 sqft Built 2006
Raw Value $389,721
Adjusted Value $371,145

Adjusted -$15,411 for 77 sqft less living space and -$3,165 for being older. Net adjustment: -$18,576.

3 bed 2 bath 1,901 sqft Built 2006
Raw Value $393,609
Adjusted Value $360,422

Adjusted -$30,022 for 150 sqft less living space and -$3,165 for being older. Net adjustment: -$33,187.

The Neighborhood

This home is valued 9.2% 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
$352,116
Median
$387,915

This home is -9.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,862 across all districts. With a homestead exemption claimed, that drops to $5,546 — saving $1,316 per year. That's $462 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%$3,145
Paloma Lakes MUD #2MUD0.4215%$1,484
Williamson CountyCounty0.3694%$1,301
Austin Community Collegespecial0.1034%$364
Williamson County ESD #9 - Round RockESD0.0999%$352
Williamson County FM/RdCounty0.0443%$156
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$6,862

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $355,729 would pay approximately $2,220 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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