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3504 PENELOPE WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,952 sqftBuilt 2011

Property at a Glance

This home is estimated between $340,489 and $411,902, with a best estimate of $389,567. That places the property above the R493607C - PALOMA LAKE SEC 18 median of $387,915, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$340,489 $411,902
Best Estimate
$389,567
WCAD Value
$368,666
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 $340,489 and $411,902 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,881 sqft Built 2006
Raw Value $377,994
Adjusted Value $389,567

Adjusted +$14,210 for 71 sqft more living space and -$2,637 for being older. Net adjustment: +$11,573.

3 bed 2 bath 1,840 sqft Built 2006
Raw Value $376,707
Adjusted Value $396,486

Adjusted +$22,416 for 112 sqft more living space and -$2,637 for being older. Net adjustment: +$19,779.

3 bed 2 bath 1,828 sqft Built 2006
Raw Value $389,721
Adjusted Value $411,902

Adjusted +$24,818 for 124 sqft more living space and -$2,637 for being older. Net adjustment: +$22,181.

3 bed 2 bath 2,104 sqft Built 2006
Raw Value $380,313
Adjusted Value $347,254

Adjusted -$30,422 for 152 sqft less living space and -$2,637 for being older. Net adjustment: -$33,059.

3 bed 2 bath 2,125 sqft Built 2006
Raw Value $377,751
Adjusted Value $340,489

Adjusted -$34,625 for 173 sqft less living space and -$2,637 for being older. Net adjustment: -$37,262.

The Neighborhood

This home is valued 5.0% 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
$368,666
Median
$387,915

This home is -5.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,184 across all districts. With a homestead exemption claimed, that drops to $5,866 — saving $1,318 per year. That's $489 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%$3,293
Paloma Lakes MUD #2MUD0.4215%$1,554
Williamson CountyCounty0.3694%$1,362
Austin Community Collegespecial0.1034%$381
Williamson County ESD #9 - Round RockESD0.0999%$368
Williamson County FM/RdCounty0.0443%$163
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$7,184

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $389,567 would pay approximately $2,432 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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