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2811 ANTONIO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,835 sqftBuilt 2014

Property at a Glance

This home is estimated between $350,307 and $499,734, with a best estimate of $424,168. 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

$350,307 $499,734
Best Estimate
$424,168
WCAD Value
$473,863
Low Confidence

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

There are 5 comparable properties within range, but none are in R493607C - PALOMA LAKE SEC 18. The estimated range of $350,307 and $499,734 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,739 sqft Built 2014
Raw Value $407,607
Adjusted Value $426,821

Adjusted +$19,214 for 96 sqft more living space. Net adjustment: +$19,214.

3 bed 1,828 sqft Built 2015
Raw Value $348,379
Adjusted Value $350,307

Adjusted +$1,401 for 7 sqft more living space and +$527 for being newer. Net adjustment: +$1,928.

4 bed 3 bath 1,764 sqft Built 2015
Raw Value $409,431
Adjusted Value $424,168

Adjusted +$14,210 for 71 sqft more living space and +$527 for being newer. Net adjustment: +$14,737.

4 bed 1,626 sqft Built 2015
Raw Value $457,376
Adjusted Value $499,734

Adjusted +$41,831 for 209 sqft more living space and +$527 for being newer. Net adjustment: +$42,358.

3 bed 2 bath 1,758 sqft Built 2016
Raw Value $399,263
Adjusted Value $415,729

Adjusted +$15,411 for 77 sqft more living space and +$1,055 for being newer. Net adjustment: +$16,466.

The Neighborhood

This home is valued 22.2% 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
$473,863
Median
$387,915

This home is +22.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,234 across all districts. With a homestead exemption claimed, that drops to $7,896 — saving $1,338 per year. That's $658 per month a buyer should budget. The assessed value increased +0.6% vs the subdivision average of -9.2%. This above-average increase gives a protest opportunity score of 49 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,232
Paloma Lakes MUD #2MUD0.4215%$1,997
Williamson CountyCounty0.3694%$1,751
Austin Community Collegespecial0.1034%$490
Williamson County ESD #9 - Round RockESD0.0999%$473
Williamson County FM/RdCounty0.0443%$210
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$9,234
49 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $424,168 would pay approximately $2,648 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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