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3018 ISABELLA LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,380 sqftBuilt 2016

Property at a Glance

This home is estimated between $389,737 and $572,726, with a best estimate of $469,188. That places the property below the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$389,737 $572,726
Best Estimate
$469,188
WCAD Value
$496,423
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R491607C - PALOMA LAKE DREES /TAYLOR. The estimated range of $389,737 and $572,726 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,343 sqft Built 2005
Raw Value $410,844
Adjusted Value $389,737

Adjusted +$8,631 for 37 sqft more living space and -$29,738 for being older. Net adjustment: -$21,107.

3 bed 2 bath 2,465 sqft Built 2010
Raw Value $490,384
Adjusted Value $454,334

Adjusted -$19,829 for 85 sqft less living space and -$16,221 for being older. Net adjustment: -$36,050.

3 bed 2 bath 2,505 sqft Built 2011
Raw Value $542,729
Adjusted Value $500,052

Adjusted -$29,160 for 125 sqft less living space and -$13,517 for being older. Net adjustment: -$42,677.

3 bed 2 bath 2,508 sqft Built 2011
Raw Value $616,103
Adjusted Value $572,726

Adjusted -$29,860 for 128 sqft less living space and -$13,517 for being older. Net adjustment: -$43,377.

3 bed 2 bath 2,311 sqft Built 2010
Raw Value $469,313
Adjusted Value $469,188

Adjusted +$16,096 for 69 sqft more living space and -$16,221 for being older. Net adjustment: -$125.

The Neighborhood

This home is valued 14.3% below the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.0% over the past year.

R491607C - PALOMA LAKE DREES /TAYLOR

typical
431 Properties
$579,346 Median Value
-5.0% YoY Change
0% Have Pool
100% Have Garage
This Home
$496,423
Median
$579,346

This home is -14.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,430 across all districts. With a homestead exemption claimed, that drops to $8,088 — saving $1,342 per year. That's $674 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%$4,434
Paloma Lakes MUD #1MUD0.3725%$1,849
Williamson CountyCounty0.3694%$1,834
Austin Community Collegespecial0.1034%$513
Williamson County ESD #9 - Round RockESD0.0999%$496
Williamson County FM/RdCounty0.0443%$220
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$9,430

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $469,188 would pay approximately $2,929 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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