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3633 PENELOPE WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,979 sqftBuilt 2011

Property at a Glance

This home is estimated between $385,242 and $676,141, with a best estimate of $468,124. 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

$385,242 $676,141
Best Estimate
$468,124
WCAD Value
$474,512
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 $385,242 and $676,141 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 2,055 sqft Built 2018
Raw Value $441,412
Adjusted Value $429,893

Adjusted -$15,211 for 76 sqft less living space and +$3,692 for being newer. Net adjustment: -$11,519.

4 bed 3 bath 1,998 sqft Built 2012
Raw Value $471,400
Adjusted Value $468,124

Adjusted -$3,803 for 19 sqft less living space and +$527 for being newer. Net adjustment: -$3,276.

3 bed 2 bath 2,011 sqft Built 2016
Raw Value $389,010
Adjusted Value $385,242

Adjusted -$6,405 for 32 sqft less living space and +$2,637 for being newer. Net adjustment: -$3,768.

4 bed 2,123 sqft Built 2019
Raw Value $700,742
Adjusted Value $676,141

Adjusted -$28,821 for 144 sqft less living space and +$4,220 for being newer. Net adjustment: -$24,601.

3 bed 2 bath 2,182 sqft Built 2010
Raw Value $519,881
Adjusted Value $478,724

Adjusted -$40,630 for 203 sqft less living space and -$527 for being older. Net adjustment: -$41,157.

The Neighborhood

This home is valued 22.3% 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
$474,512
Median
$387,915

This home is +22.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,247 across all districts. With a homestead exemption claimed, that drops to $7,909 — saving $1,338 per year. That's $659 per month a buyer should budget. The assessed value increased +0.5% 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%$4,238
Paloma Lakes MUD #2MUD0.4215%$2,000
Williamson CountyCounty0.3694%$1,753
Austin Community Collegespecial0.1034%$491
Williamson County ESD #9 - Round RockESD0.0999%$474
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$9,247
49 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $468,124 would pay approximately $2,922 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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