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

10003 PARLIAMENT HOUSE RD, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed4 bath2,078 sqftBuilt 1984

Property at a Glance

This home is estimated between $408,808 and $637,357, with a best estimate of $415,219. That places the property below the R371X - Round Rock West Below 45 - Duplex median of $419,343, in a neighborhood that declined 8.8% over the past year.

Estimated Value Range

$408,808 $637,357
Best Estimate
$415,219
WCAD Value
$422,510
High Confidence

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

Based on 5 comparable properties in R371X - Round Rock West Below 45 - Duplex, this home's estimated market value is between $408,808 and $637,357. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10002 A PARLIAMENT HOUSE RD, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,150 sqft Built 1984
Raw Value $430,390
Adjusted Value $415,219

Adjusted -$15,171 for 72 sqft less living space. Net adjustment: -$15,171.

10000 PARLIAMENT HOUSE RD, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
4 bed 4 bath 1,996 sqft Built 1984
Raw Value $423,030
Adjusted Value $440,308

Adjusted +$17,278 for 82 sqft more living space. Net adjustment: +$17,278.

10007 PARLIAMENT HOUSE RD, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,128 sqft Built 1984
Raw Value $419,343
Adjusted Value $408,808

Adjusted -$10,535 for 50 sqft less living space. Net adjustment: -$10,535.

10005 PARLIAMENT HOUSE RD, AUSTIN, TX 78729
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,128 sqft Built 1984
Raw Value $419,343
Adjusted Value $408,808

Adjusted -$10,535 for 50 sqft less living space. Net adjustment: -$10,535.

10001 PARLIAMENT HOUSE RD, AUSTIN, TX 78729
0.00 mi 95% similar Same subdivision
4 bed 4 bath 903 sqft Built 1984
Raw Value $389,775
Adjusted Value $637,357

Adjusted +$247,582 for 1,175 sqft more living space. Net adjustment: +$247,582.

The Neighborhood

This home is in line with the R371X - Round Rock West Below 45 - Duplex median of $419,343. Note that values in this subdivision declined 8.8% over the past year.

R371X - Round Rock West Below 45 - Duplex

typical
462 Properties
$419,343 Median Value
-8.8% YoY Change
0% Have Pool
94% Have Garage
This Home
$422,510
Median
$419,343

This home is +0.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,244 across all districts. With a homestead exemption claimed, that drops to $6,473 — saving $1,771 per year. That's $539 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%$3,773
AustinCity0.5240%$2,214
Williamson CountyCounty0.3694%$1,561
Austin Community Collegespecial0.1034%$437
Williamson County FM/RdCounty0.0443%$187
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$8,244

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $415,219 would pay approximately $2,592 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