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3042 ISABELLA LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,903 sqftBuilt 2016

Property at a Glance

This home is estimated between $618,260 and $781,826, with a best estimate of $694,733. That places the property above the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$618,260 $781,826
Best Estimate
$694,733
WCAD Value
$564,924
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R491607C - PALOMA LAKE DREES /TAYLOR. The estimated range of $618,260 and $781,826 should be treated as a rough guide.

Comparable Properties (5)

3019 ISABELLA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,462 sqft Built 2017
Raw Value $512,679
Adjusted Value $618,260

Adjusted +$102,878 for 441 sqft more living space and +$2,703 for being newer. Net adjustment: +$105,581.

3018 ISABELLA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,380 sqft Built 2016
Raw Value $496,423
Adjusted Value $618,430

Adjusted +$122,007 for 523 sqft more living space. Net adjustment: +$122,007.

4 bed 3 bath 2,325 sqft Built 2006
Raw Value $625,489
Adjusted Value $733,291

Adjusted +$134,837 for 578 sqft more living space and -$27,035 for being older. Net adjustment: +$107,802.

4 bed 3 bath 1,851 sqft Built 2012
Raw Value $547,227
Adjusted Value $781,826

Adjusted +$245,413 for 1,052 sqft more living space and -$10,814 for being older. Net adjustment: +$234,599.

3 bed 2 bath 2,508 sqft Built 2011
Raw Value $616,103
Adjusted Value $694,733

Adjusted +$92,147 for 395 sqft more living space and -$13,517 for being older. Net adjustment: +$78,630.

The Neighborhood

This home is valued 2.5% 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
$564,924
Median
$579,346

This home is -2.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,732 across all districts. With a homestead exemption claimed, that drops to $9,377 — saving $1,355 per year. That's $781 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%$5,045
Paloma Lakes MUD #1MUD0.3725%$2,104
Williamson CountyCounty0.3694%$2,087
Austin Community Collegespecial0.1034%$584
Williamson County ESD #9 - Round RockESD0.0999%$564
Williamson County FM/RdCounty0.0443%$250
Upper Brushy Creek WCIDWater0.0170%$96
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$10,732

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $694,733 would pay approximately $4,337 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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