Beta Williamson County, TX only — data and coverage are limited during early access.

1561 SAWMILL XING, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,157 sqftBuilt 2022

Property at a Glance

This home is estimated between $590,962 and $690,072, with a best estimate of $647,876. 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

$590,962 $690,072
Best Estimate
$647,876
WCAD Value
$470,930
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 $590,962 and $690,072. 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 $590,962

Adjusted +$573 for 2 sqft more living space and -$4,168 for being older. Net adjustment: -$3,595.

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 $647,876

Adjusted +$49,007 for 171 sqft more living space. Net adjustment: +$49,007.

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 $665,015

Adjusted +$162,496 for 567 sqft more living space. Net adjustment: +$162,496.

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 $642,955

Adjusted +$45,568 for 159 sqft more living space. Net adjustment: +$45,568.

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 $690,072

Adjusted +$93,715 for 327 sqft more living space and +$4,168 for being newer. Net adjustment: +$97,883.

The Neighborhood

This home is valued 19.5% 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
$470,930
Median
$584,835

This home is -19.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,880 across all districts. With a homestead exemption claimed, that drops to $9,542 — saving $1,338 per year. That's $795 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%$4,206
Round Rock MUD #2MUD0.5110%$2,406
Round RockCity0.3720%$1,752
Williamson CountyCounty0.3694%$1,740
Austin Community Collegespecial0.1034%$487
Williamson County FM/RdCounty0.0443%$209
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3103%$10,880

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $647,876 would pay approximately $4,044 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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