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3520 PENELOPE WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,988 sqftBuilt 2012

Property at a Glance

This home is estimated between $374,725 and $452,429, with a best estimate of $378,946. 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

$374,725 $452,429
Best Estimate
$378,946
WCAD Value
$477,810
High Confidence

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

Based on 5 comparable properties in R493607C - PALOMA LAKE SEC 18, this home's estimated market value is between $374,725 and $452,429. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3516 PENELOPE WAY, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,948 sqft Built 2011
Raw Value $367,246
Adjusted Value $374,725

Adjusted +$8,006 for 40 sqft more living space and -$527 for being older. Net adjustment: +$7,479.

3601 PENELOPE WAY, ROUND ROCK, TX 78665
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,022 sqft Built 2013
Raw Value $385,224
Adjusted Value $378,946

Adjusted -$6,805 for 34 sqft less living space and +$527 for being newer. Net adjustment: -$6,278.

3512 PENELOPE WAY, ROUND ROCK, TX 78665
0.05 mi 100% similar Same subdivision
3 bed 2 bath 2,010 sqft Built 2012
Raw Value $400,606
Adjusted Value $396,203

Adjusted -$4,403 for 22 sqft less living space. Net adjustment: -$4,403.

3505 PENELOPE WAY, ROUND ROCK, TX 78665
0.05 mi 100% similar Same subdivision
3 bed 2 bath 2,044 sqft Built 2012
Raw Value $387,073
Adjusted Value $375,865

Adjusted -$11,208 for 56 sqft less living space. Net adjustment: -$11,208.

3602 PENELOPE WAY, ROUND ROCK, TX 78665
0.04 mi 94% similar Same subdivision
2 bed 2 bath 1,765 sqft Built 2012
Raw Value $407,796
Adjusted Value $452,429

Adjusted +$44,633 for 223 sqft more living space. Net adjustment: +$44,633.

The Neighborhood

This home is valued 23.2% above the R493607C - PALOMA LAKE SEC 18 median of $387,915. With 295 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.2% over the past year.

R493607C - PALOMA LAKE SEC 18

above average
295 Properties
$387,915 Median Value
-9.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$477,810
Median
$387,915

This home is +23.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,311 across all districts. With a homestead exemption claimed, that drops to $7,972 — saving $1,339 per year. That's $664 per month a buyer should budget. The assessed value increased +0.6% vs the subdivision average of -9.2%. This above-average increase gives a protest opportunity score of 49 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,267
Paloma Lakes MUD #2MUD0.4215%$2,014
Williamson CountyCounty0.3694%$1,765
Austin Community Collegespecial0.1034%$494
Williamson County ESD #9 - Round RockESD0.0999%$477
Williamson County FM/RdCounty0.0443%$212
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$9,311
49 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $378,946 would pay approximately $2,365 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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