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

15701 FM 1325, AUSTIN, TX 78728

AUSTIN, 78728 — williamson County

3 bed296,721 sqftBuilt 2022

Property at a Glance

This home is estimated between $71,803,853 and $78,111,500, with a best estimate of $71,831,077.

Estimated Value Range

$71,803,853 $78,111,500
Best Estimate
$71,831,077
WCAD Value
$33,537,314
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R30QARR-WEST RRISD RENT RESTRICTED APTS. The estimated range of $71,803,853 and $78,111,500 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,331 sqft Built 2020
Raw Value $540,971
Adjusted Value $71,803,853

Adjusted +$71,323,277 for 295,390 sqft more living space and -$202 for being older and -$60,193 for no garage. Net adjustment: +$71,262,882.

15403 FM 1325, AUSTIN, TX 78728
0.31 mi 43% similar
3 bed 2,820 sqft Built 1993
Raw Value $1,760,592
Adjusted Value $72,721,410

Adjusted +$70,963,751 for 293,901 sqft more living space and -$2,933 for being older. Net adjustment: +$70,960,818.

FM 1325, AUSTIN, TX 78728
0.31 mi 41% similar
3 bed 1,400 sqft Built 2004
Raw Value $6,806,705
Adjusted Value $78,111,500

Adjusted +$71,306,616 for 295,321 sqft more living space and -$1,821 for being older. Net adjustment: +$71,304,795.

4 bed 2 bath 774 sqft Built 2019
Raw Value $433,806
Adjusted Value $71,831,077

Adjusted +$71,457,767 for 295,947 sqft more living space and -$303 for being older and -$60,193 for no garage. Net adjustment: +$71,397,271.

5 bed 3 bath 1,335 sqft Built 2019
Raw Value $563,180
Adjusted Value $71,824,995

Adjusted +$71,322,311 for 295,386 sqft more living space and -$303 for being older and -$60,193 for no garage. Net adjustment: +$71,261,815.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $512,177 across all districts. With a homestead exemption claimed, that drops to $504,732 — saving $7,445 per year. That's $42,061 per month a buyer should budget. The assessed value increased -14.0%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$299,522
Williamson CountyCounty0.3694%$123,903
Austin Community Collegespecial0.1034%$34,678
Williamson County ESD #9 - Round RockESD0.0999%$33,507
Williamson County FM/RdCounty0.0443%$14,867
Upper Brushy Creek WCIDWater0.0170%$5,701
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$512,177
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $71,831,077 would pay approximately $448,367 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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