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1600 SAWMILL XING, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed4 bath2,042 sqftBuilt 2022

Property at a Glance

This home is estimated between $558,004 and $657,114, with a best estimate of $614,918. 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

$558,004 $657,114
Best Estimate
$614,918
WCAD Value
$605,381
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 $558,004 and $657,114. 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 $558,004

Adjusted -$32,385 for 113 sqft less living space and -$4,168 for being older. Net adjustment: -$36,553.

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 $614,918

Adjusted +$16,049 for 56 sqft more living space. Net adjustment: +$16,049.

1533 SAWMILL XING, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,590 sqft Built 2022
Raw Value $502,519
Adjusted Value $632,057

Adjusted +$129,538 for 452 sqft more living space. Net adjustment: +$129,538.

1508 SAWMILL XING, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,998 sqft Built 2022
Raw Value $597,387
Adjusted Value $609,997

Adjusted +$12,610 for 44 sqft more living space. Net adjustment: +$12,610.

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 $657,114

Adjusted +$60,757 for 212 sqft more living space and +$4,168 for being newer. Net adjustment: +$64,925.

The Neighborhood

This home is valued 3.5% above the R455524B - HOMESTEAD AT OLD SETTLERS R5 median of $584,835. With 142 homes in the subdivision, the property sits in the upper tier. 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
$605,381
Median
$584,835

This home is +3.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,986 across all districts. With a homestead exemption claimed, that drops to $12,624 — saving $1,362 per year. That's $1,052 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%$5,407
Round Rock MUD #2MUD0.5110%$3,093
Round RockCity0.3720%$2,252
Williamson CountyCounty0.3694%$2,237
Austin Community Collegespecial0.1034%$626
Williamson County FM/RdCounty0.0443%$268
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3103%$13,986

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $614,918 would pay approximately $3,838 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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