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2509 SANTA BARBARA LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,319 sqftBuilt 2010

Property at a Glance

This home is estimated between $412,473 and $626,190, with a best estimate of $513,219. That places the property above the R492607C - Paloma Lake - Sec 17A & 17B median of $462,814, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$412,473 $626,190
Best Estimate
$513,219
WCAD Value
$445,299
Low Confidence

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

There are 5 comparable properties within range, but few are in R492607C - Paloma Lake - Sec 17A & 17B. The estimated range of $412,473 and $626,190 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,130 sqft Built 2007
Raw Value $391,287
Adjusted Value $412,473

Adjusted +$40,979 for 189 sqft more living space and -$19,793 for being older. Net adjustment: +$21,186.

3 bed 2 bath 2,331 sqft Built 2014
Raw Value $489,431
Adjusted Value $513,219

Adjusted -$2,602 for 12 sqft less living space and +$26,390 for being newer. Net adjustment: +$23,788.

3 bed 2 bath 2,613 sqft Built 2012
Raw Value $526,660
Adjusted Value $476,110

Adjusted -$63,745 for 294 sqft less living space and +$13,195 for being newer. Net adjustment: -$50,550.

2585 SANTA BARBARA LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,563 sqft Built 2010
Raw Value $462,274
Adjusted Value $626,190

Adjusted +$163,916 for 756 sqft more living space. Net adjustment: +$163,916.

2552 SANTA BARBARA LOOP, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
4 bed 3 bath 1,860 sqft Built 2010
Raw Value $488,944
Adjusted Value $588,465

Adjusted +$99,521 for 459 sqft more living space. Net adjustment: +$99,521.

The Neighborhood

This home is valued 3.8% below the R492607C - Paloma Lake - Sec 17A & 17B median of $462,814. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.4% over the past year.

R492607C - Paloma Lake - Sec 17A & 17B

typical
292 Properties
$462,814 Median Value
-4.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$445,299
Median
$462,814

This home is -3.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,459 across all districts. With a homestead exemption claimed, that drops to $7,127 — saving $1,332 per year. That's $594 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%$3,977
Paloma Lakes MUD #1MUD0.3725%$1,659
Williamson CountyCounty0.3694%$1,645
Austin Community Collegespecial0.1034%$460
Williamson County ESD #9 - Round RockESD0.0999%$445
Williamson County FM/RdCounty0.0443%$197
Upper Brushy Creek WCIDWater0.0170%$76
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$8,459

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $513,219 would pay approximately $3,203 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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