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

1754 SAWMILL XING, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,170 sqftBuilt 2025

Property at a Glance

This home is estimated between $607,192 and $706,301, with a best estimate of $664,105. 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

$607,192 $706,301
Best Estimate
$664,105
WCAD Value
$477,142
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 $607,192 and $706,301. 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 $607,192

Adjusted +$4,299 for 15 sqft more living space and +$8,336 for being newer. Net adjustment: +$12,635.

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 $664,105

Adjusted +$52,732 for 184 sqft more living space and +$12,504 for being newer. Net adjustment: +$65,236.

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 $681,245

Adjusted +$166,222 for 580 sqft more living space and +$12,504 for being newer. Net adjustment: +$178,726.

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 $659,184

Adjusted +$49,293 for 172 sqft more living space and +$12,504 for being newer. Net adjustment: +$61,797.

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 $706,301

Adjusted +$97,440 for 340 sqft more living space and +$16,672 for being newer. Net adjustment: +$114,112.

The Neighborhood

This home is valued 18.4% 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
$477,142
Median
$584,835

This home is -18.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,023 across all districts. With a homestead exemption claimed, that drops to $9,685 — saving $1,338 per year. That's $807 per month a buyer should budget. The assessed value increased +379.5% vs the subdivision average of +31.2%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,261
Round Rock MUD #2MUD0.5110%$2,438
Round RockCity0.3720%$1,775
Williamson CountyCounty0.3694%$1,763
Austin Community Collegespecial0.1034%$493
Williamson County FM/RdCounty0.0443%$212
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3103%$11,023
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $664,105 would pay approximately $4,145 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.

View full property details