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12909 SHERBOURNE ST, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

4 bed2 bath1,560 sqftBuilt 1973

Property at a Glance

This home is estimated between $274,223 and $435,782, with a best estimate of $343,488. 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

$274,223 $435,782
Best Estimate
$343,488
WCAD Value
$525,801
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 $274,223 and $435,782. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12907 SHERBOURNE ST, AUSTIN, TX 78729
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,033 sqft Built 1976
Raw Value $432,361
Adjusted Value $320,152

Adjusted -$112,508 for 473 sqft less living space and +$299 for being newer. Net adjustment: -$112,209.

12905 SHERBOURNE ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,010 sqft Built 1974
Raw Value $484,863
Adjusted Value $377,926

Adjusted -$107,037 for 450 sqft less living space and +$100 for being newer. Net adjustment: -$106,937.

12906 SHERBOURNE ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,278 sqft Built 1976
Raw Value $444,707
Adjusted Value $274,223

Adjusted -$170,783 for 718 sqft less living space and +$299 for being newer. Net adjustment: -$170,484.

12904 SHERBOURNE ST, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,695 sqft Built 1976
Raw Value $375,300
Adjusted Value $343,488

Adjusted -$32,111 for 135 sqft less living space and +$299 for being newer. Net adjustment: -$31,812.

9209 SHADY OAKS DR, AUSTIN, TX 78729
0.04 mi 100% similar Same subdivision
4 bed 2 bath 1,670 sqft Built 1978
Raw Value $461,448
Adjusted Value $435,782

Adjusted -$26,165 for 110 sqft less living space and +$499 for being newer. Net adjustment: -$25,666.

The Neighborhood

This home is valued 24.7% 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

above average
742 Properties
$421,794 Median Value
-5.7% YoY Change
6% Have Pool
92% Have Garage
This Home
$525,801
Median
$421,794

This home is +24.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,030 across all districts. With a homestead exemption claimed, that drops to $6,683 — saving $1,347 per year. That's $557 per month a buyer should budget. The assessed value increased +8.7% vs the subdivision average of -5.7%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,696
Williamson CountyCounty0.3694%$1,943
Austin Community Collegespecial0.1034%$544
Williamson County ESD #1 - Jollyville VFDESD0.1000%$526
Williamson County FM/RdCounty0.0443%$233
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$8,030
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $343,488 would pay approximately $2,144 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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