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

12001 MOSSBROOK CV, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed3 bath2,200 sqftBuilt 1973

Property at a Glance

This home is estimated between $349,340 and $511,607, with a best estimate of $376,221. That places the property below the R3P7572E - BalconesVillSec2,3BC,4,5AB,7,10,11 - Part in TCAD median of $596,310, in a neighborhood that declined 6.6% over the past year.

Estimated Value Range

$349,340 $511,607
Best Estimate
$376,221
WCAD Value
$687,744
Low Confidence

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

There are 5 comparable properties within range, but none are in R3P7572E - BalconesVillSec2,3BC,4,5AB,7,10,11 - Part in TCAD. The estimated range of $349,340 and $511,607 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,097 sqft Built 1982
Raw Value $396,718
Adjusted Value $349,340

Adjusted +$26,317 for 103 sqft more living space and -$73,695 for being older. Net adjustment: -$47,378.

3 bed 2 bath 2,118 sqft Built 1983
Raw Value $429,030
Adjusted Value $368,097

Adjusted +$20,951 for 82 sqft more living space and -$81,884 for being older. Net adjustment: -$60,933.

3 bed 2 bath 1,977 sqft Built 1984
Raw Value $409,316
Adjusted Value $376,221

Adjusted +$56,977 for 223 sqft more living space and -$90,072 for being older. Net adjustment: -$33,095.

2 bed 2 bath 2,243 sqft Built 1977
Raw Value $555,347
Adjusted Value $511,607

Adjusted -$10,987 for 43 sqft less living space and -$32,753 for being older. Net adjustment: -$43,740.

3 bed 2 bath 1,690 sqft Built 1977
Raw Value $379,571
Adjusted Value $477,123

Adjusted +$130,305 for 510 sqft more living space and -$32,753 for being older. Net adjustment: +$97,552.

The Neighborhood

This home is valued 15.3% above the R3P7572E - BalconesVillSec2,3BC,4,5AB,7,10,11 - Part in TCAD median of $596,310. With 28 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.6% over the past year.

R3P7572E - BalconesVillSec2,3BC,4,5AB,7,10,11 - Part in TCAD

above average
28 Properties
$596,310 Median Value
-6.6% YoY Change
7% Have Pool
96% Have Garage
This Home
$687,744
Median
$596,310

This home is +15.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,420 across all districts. With a homestead exemption claimed, that drops to $11,322 — saving $2,098 per year. That's $944 per month a buyer should budget. The assessed value increased +8.7% vs the subdivision average of -6.6%. This above-average increase gives a protest opportunity score of 70 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,142
AustinCity0.5240%$3,604
Williamson CountyCounty0.3694%$2,541
Austin Community Collegespecial0.1034%$711
Williamson County FM/RdCounty0.0443%$305
Upper Brushy Creek WCIDWater0.0170%$117
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$13,420
70 / 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 $376,221 would pay approximately $2,348 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