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1628 SAWMILL XING, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,844 sqftBuilt 2023

Property at a Glance

This home is estimated between $503,786 and $604,537, with a best estimate of $523,105. That places the property below the R455524B - HOMESTEAD AT OLD SETTLERS R5 median of $584,835, in a neighborhood that appreciated 31.2% over the past year.

Estimated Value Range

$503,786 $604,537
Best Estimate
$523,105
WCAD Value
$438,107
High Confidence

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

Based on 5 comparable properties in R455524B - HOMESTEAD AT OLD SETTLERS R5, this home's estimated market value is between $503,786 and $604,537. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1704 SAWMILL XING, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,155 sqft Built 2023
Raw Value $594,557
Adjusted Value $505,428

Adjusted -$89,129 for 311 sqft less living space. Net adjustment: -$89,129.

1616 SAWMILL XING, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,986 sqft Built 2022
Raw Value $598,869
Adjusted Value $562,341

Adjusted -$40,696 for 142 sqft less living space and +$4,168 for being newer. Net adjustment: -$36,528.

1413 SAWMILL XING, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,830 sqft Built 2021
Raw Value $592,189
Adjusted Value $604,537

Adjusted +$4,012 for 14 sqft more living space and +$8,336 for being newer. Net adjustment: +$12,348.

1449 SAWMILL XING, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,053 sqft Built 2021
Raw Value $555,347
Adjusted Value $503,786

Adjusted -$59,897 for 209 sqft less living space and +$8,336 for being newer. Net adjustment: -$51,561.

1728 SAWMILL XING, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,124 sqft Built 2024
Raw Value $607,518
Adjusted Value $523,105

Adjusted -$80,245 for 280 sqft less living space and -$4,168 for being older. Net adjustment: -$84,413.

The Neighborhood

This home is valued 25.1% below the R455524B - HOMESTEAD AT OLD SETTLERS R5 median of $584,835. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 31.2% over the past year.

R455524B - HOMESTEAD AT OLD SETTLERS R5

below average
142 Properties
$584,835 Median Value
+31.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$438,107
Median
$584,835

This home is -25.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,121 across all districts. With a homestead exemption claimed, that drops to $8,790 — saving $1,331 per year. That's $733 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%$3,913
Round Rock MUD #2MUD0.5110%$2,239
Round RockCity0.3720%$1,630
Williamson CountyCounty0.3694%$1,619
Austin Community Collegespecial0.1034%$453
Williamson County FM/RdCounty0.0443%$194
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3103%$10,121

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $523,105 would pay approximately $3,265 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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