Beta Williamson County, TX only — data and coverage are limited during early access.

2555 SANTA BARBARA LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,907 sqftBuilt 2009

Property at a Glance

This home is estimated between $505,733 and $619,326, with a best estimate of $543,458. 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

$505,733 $619,326
Best Estimate
$543,458
WCAD Value
$449,112
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 $505,733 and $619,326 should be treated as a rough guide.

Comparable Properties (5)

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 $543,458

Adjusted +$74,586 for 344 sqft more living space and +$6,598 for being newer. Net adjustment: +$81,184.

2552 SANTA BARBARA LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,860 sqft Built 2010
Raw Value $488,944
Adjusted Value $505,733

Adjusted +$10,191 for 47 sqft more living space and +$6,598 for being newer. Net adjustment: +$16,789.

4 bed 3 bath 1,801 sqft Built 2016
Raw Value $550,160
Adjusted Value $619,326

Adjusted +$22,983 for 106 sqft more living space and +$46,183 for being newer. Net adjustment: +$69,166.

4 bed 3 bath 2,107 sqft Built 2015
Raw Value $616,272
Adjusted Value $612,493

Adjusted -$43,364 for 200 sqft less living space and +$39,585 for being newer. Net adjustment: -$3,779.

4 bed 3 bath 2,092 sqft Built 2016
Raw Value $503,270
Adjusted Value $509,341

Adjusted -$40,112 for 185 sqft less living space and +$46,183 for being newer. Net adjustment: +$6,071.

The Neighborhood

This home is valued 3.0% 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
$449,112
Median
$462,814

This home is -3.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,532 across all districts. With a homestead exemption claimed, that drops to $7,198 — saving $1,334 per year. That's $600 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%$4,011
Paloma Lakes MUD #1MUD0.3725%$1,673
Williamson CountyCounty0.3694%$1,659
Austin Community Collegespecial0.1034%$464
Williamson County ESD #9 - Round RockESD0.0999%$449
Williamson County FM/RdCounty0.0443%$199
Upper Brushy Creek WCIDWater0.0170%$76
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$8,532

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $543,458 would pay approximately $3,392 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.

View full property details