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

13304 PERTHSHIRE ST, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed1,312 sqftBuilt 1977

Property at a Glance

This home is estimated between $317,552 and $362,806, with a best estimate of $347,126. That places the property below the R371378G - FOREST NORTH PHS 3-5 median of $421,794, in a neighborhood that declined 5.7% over the past year.

Estimated Value Range

$317,552 $362,806
Best Estimate
$347,126
WCAD Value
$441,161
High Confidence

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

Based on 5 comparable properties in R371378G - FOREST NORTH PHS 3-5, this home's estimated market value is between $317,552 and $362,806. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13302 PERTHSHIRE ST, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
2 bed 2 bath 1,247 sqft Built 1977
Raw Value $331,665
Adjusted Value $347,126

Adjusted +$15,461 for 65 sqft more living space. Net adjustment: +$15,461.

13306 PERTHSHIRE ST, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,581 sqft Built 1977
Raw Value $402,049
Adjusted Value $338,065

Adjusted -$63,984 for 269 sqft less living space. Net adjustment: -$63,984.

13300 PERTHSHIRE ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,104 sqft Built 1975
Raw Value $313,531
Adjusted Value $362,806

Adjusted +$49,475 for 208 sqft more living space and -$200 for being older. Net adjustment: +$49,275.

13308 PERTHSHIRE ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 1,278 sqft Built 1977
Raw Value $340,368
Adjusted Value $348,455

Adjusted +$8,087 for 34 sqft more living space. Net adjustment: +$8,087.

13305 PERTHSHIRE ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,366 sqft Built 1976
Raw Value $330,496
Adjusted Value $317,552

Adjusted -$12,844 for 54 sqft less living space and -$100 for being older. Net adjustment: -$12,944.

The Neighborhood

This home is valued 4.6% above the R371378G - FOREST NORTH PHS 3-5 median of $421,794. With 742 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.7% over the past year.

R371378G - FOREST NORTH PHS 3-5

typical
742 Properties
$421,794 Median Value
-5.7% YoY Change
6% Have Pool
92% Have Garage
This Home
$441,161
Median
$421,794

This home is +4.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,738 across all districts. With a homestead exemption claimed, that drops to $5,406 — saving $1,332 per year. That's $451 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%$3,940
Williamson CountyCounty0.3694%$1,630
Austin Community Collegespecial0.1034%$456
Williamson County ESD #1 - Jollyville VFDESD0.1000%$441
Williamson County FM/RdCounty0.0443%$196
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$6,738

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $347,126 would pay approximately $2,167 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