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1603 SAWMILL XING, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,716 sqftBuilt 2022

Property at a Glance

This home is estimated between $749,524 and $850,275, with a best estimate of $768,843. That places the property above 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

$749,524 $850,275
Best Estimate
$768,843
WCAD Value
$537,047
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 $749,524 and $850,275. 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 $751,166

Adjusted +$160,777 for 561 sqft more living space and -$4,168 for being older. Net adjustment: +$156,609.

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 $808,079

Adjusted +$209,210 for 730 sqft more living space. Net adjustment: +$209,210.

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 $850,275

Adjusted +$253,918 for 886 sqft more living space and +$4,168 for being newer. Net adjustment: +$258,086.

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 $749,524

Adjusted +$190,009 for 663 sqft more living space and +$4,168 for being newer. Net adjustment: +$194,177.

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 $768,843

Adjusted +$169,661 for 592 sqft more living space and -$8,336 for being older. Net adjustment: +$161,325.

The Neighborhood

This home is valued 8.2% 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

typical
142 Properties
$584,835 Median Value
+31.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$537,047
Median
$584,835

This home is -8.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,407 across all districts. With a homestead exemption claimed, that drops to $11,058 — saving $1,349 per year. That's $922 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%$4,796
Round Rock MUD #2MUD0.5110%$2,744
Round RockCity0.3720%$1,998
Williamson CountyCounty0.3694%$1,984
Austin Community Collegespecial0.1034%$555
Williamson County FM/RdCounty0.0443%$238
Upper Brushy Creek WCIDWater0.0170%$91
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3103%$12,407

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $768,843 would pay approximately $4,799 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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