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3717 PENELOPE WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,150 sqftBuilt 2015

Property at a Glance

This home is estimated between $367,746 and $447,078, with a best estimate of $404,706. 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

$367,746 $447,078
Best Estimate
$404,706
WCAD Value
$477,686
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R493607C - PALOMA LAKE SEC 18. The estimated range of $367,746 and $447,078 should be treated as a rough guide.

Comparable Properties (5)

3721 PENELOPE WAY, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,260 sqft Built 2015
Raw Value $402,409
Adjusted Value $380,393

Adjusted -$22,016 for 110 sqft less living space. Net adjustment: -$22,016.

4 bed 3 bath 2,944 sqft Built 2015
Raw Value $526,663
Adjusted Value $367,746

Adjusted -$158,917 for 794 sqft less living space. Net adjustment: -$158,917.

4 bed 3 bath 2,570 sqft Built 2003
Raw Value $537,470
Adjusted Value $447,078

Adjusted -$84,062 for 420 sqft less living space and -$6,330 for being older. Net adjustment: -$90,392.

3 bed 2 bath 1,972 sqft Built 2016
Raw Value $406,365
Adjusted Value $442,518

Adjusted +$35,626 for 178 sqft more living space and +$527 for being newer. Net adjustment: +$36,153.

3 bed 2 bath 2,042 sqft Built 2008
Raw Value $386,782
Adjusted Value $404,706

Adjusted +$21,616 for 108 sqft more living space and -$3,692 for being older. Net adjustment: +$17,924.

The Neighborhood

This home is valued 23.1% 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
$477,686
Median
$387,915

This home is +23.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,309 across all districts. With a homestead exemption claimed, that drops to $7,970 — saving $1,339 per year. That's $664 per month a buyer should budget. The assessed value increased +0.8% vs the subdivision average of -9.2%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,266
Paloma Lakes MUD #2MUD0.4215%$2,013
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%$9,309
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $404,706 would pay approximately $2,526 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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