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

13313 PERTHSHIRE ST, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,236 sqftBuilt 1976

Property at a Glance

This home is estimated between $299,767 and $478,775, with a best estimate of $308,265. 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

$299,767 $478,775
Best Estimate
$308,265
WCAD Value
$320,102
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 $299,767 and $478,775. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

13311 PERTHSHIRE ST, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,302 sqft Built 1976
Raw Value $323,964
Adjusted Value $308,265

Adjusted -$15,699 for 66 sqft less living space. Net adjustment: -$15,699.

13315 PERTHSHIRE ST, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,361 sqft Built 1976
Raw Value $329,499
Adjusted Value $299,767

Adjusted -$29,732 for 125 sqft less living space. Net adjustment: -$29,732.

13317 PERTHSHIRE ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,817 sqft Built 1976
Raw Value $616,971
Adjusted Value $478,775

Adjusted -$138,196 for 581 sqft less living space. Net adjustment: -$138,196.

13309 PERTHSHIRE ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,494 sqft Built 1976
Raw Value $367,376
Adjusted Value $306,008

Adjusted -$61,368 for 258 sqft less living space. Net adjustment: -$61,368.

13312 PERTHSHIRE ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,312 sqft Built 1977
Raw Value $347,510
Adjusted Value $329,533

Adjusted -$18,077 for 76 sqft less living space and +$100 for being newer. Net adjustment: -$17,977.

The Neighborhood

This home is valued 24.1% below the R371378G - FOREST NORTH PHS 3-5 median of $421,794. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.7% over the past year.

R371378G - FOREST NORTH PHS 3-5

below average
742 Properties
$421,794 Median Value
-5.7% YoY Change
6% Have Pool
92% Have Garage
This Home
$320,102
Median
$421,794

This home is -24.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,889 across all districts. With a homestead exemption claimed, that drops to $3,579 — saving $1,310 per year. That's $298 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%$2,859
Williamson CountyCounty0.3694%$1,183
Austin Community Collegespecial0.1034%$331
Williamson County ESD #1 - Jollyville VFDESD0.1000%$320
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$4,889

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $308,265 would pay approximately $1,924 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