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2800 LOS ALAMOS CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,411 sqftBuilt 2009

Property at a Glance

This home is estimated between $463,402 and $894,257, with a best estimate of $503,270. 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

$463,402 $894,257
Best Estimate
$503,270
WCAD Value
$638,252
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 $463,402 and $894,257 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,302 sqft Built 2016
Raw Value $419,050
Adjusted Value $463,402

Adjusted +$25,428 for 109 sqft more living space and +$18,924 for being newer. Net adjustment: +$44,352.

4 bed 3 bath 2,253 sqft Built 2017
Raw Value $835,770
Adjusted Value $894,257

Adjusted +$36,859 for 158 sqft more living space and +$21,628 for being newer. Net adjustment: +$58,487.

4 bed 3 bath 1,975 sqft Built 2018
Raw Value $377,228
Adjusted Value $503,270

Adjusted +$101,711 for 436 sqft more living space and +$24,331 for being newer. Net adjustment: +$126,042.

5 bed 4 bath 2,517 sqft Built 2018
Raw Value $771,669
Adjusted Value $771,272

Adjusted -$24,728 for 106 sqft less living space and +$24,331 for being newer. Net adjustment: -$397.

3 bed 2 bath 2,416 sqft Built 2017
Raw Value $480,238
Adjusted Value $500,700

Adjusted -$1,166 for 5 sqft less living space and +$21,628 for being newer. Net adjustment: +$20,462.

The Neighborhood

This home is valued 10.2% above the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346. With 431 homes in the subdivision, the property sits in the upper tier. 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
$638,252
Median
$579,346

This home is +10.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,125 across all districts. With a homestead exemption claimed, that drops to $10,757 — saving $1,368 per year. That's $896 per month a buyer should budget. The assessed value increased +6.6% vs the subdivision average of -5.0%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,700
Paloma Lakes MUD #1MUD0.3725%$2,377
Williamson CountyCounty0.3694%$2,358
Austin Community Collegespecial0.1034%$660
Williamson County ESD #9 - Round RockESD0.0999%$638
Williamson County FM/RdCounty0.0443%$283
Upper Brushy Creek WCIDWater0.0170%$109
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8997%$12,125
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $503,270 would pay approximately $3,141 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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