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8813 BLACK OAK ST, AUSTIN, TX 78729

AUSTIN, 78729 — williamson County

3 bed2 bath1,501 sqftBuilt 1984

Property at a Glance

This home is estimated between $357,815 and $589,133, with a best estimate of $402,165. That places the property below the R373483F - Springwood NORTH OF ANDERSON MILL median of $451,480, in a neighborhood that declined 3.2% over the past year.

Estimated Value Range

$357,815 $589,133
Best Estimate
$402,165
WCAD Value
$422,329
High Confidence

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

Based on 5 comparable properties in R373483F - Springwood NORTH OF ANDERSON MILL, this home's estimated market value is between $357,815 and $589,133. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8811 BLACK OAK ST, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,654 sqft Built 1984
Raw Value $401,590
Adjusted Value $357,815

Adjusted -$43,775 for 153 sqft less living space. Net adjustment: -$43,775.

8815 BLACK OAK ST, AUSTIN, TX 78729
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,570 sqft Built 1984
Raw Value $452,632
Adjusted Value $432,890

Adjusted -$19,742 for 69 sqft less living space. Net adjustment: -$19,742.

8809 BLACK OAK ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,608 sqft Built 1984
Raw Value $432,779
Adjusted Value $402,165

Adjusted -$30,614 for 107 sqft less living space. Net adjustment: -$30,614.

8817 BLACK OAK ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,483 sqft Built 1984
Raw Value $378,336
Adjusted Value $383,486

Adjusted +$5,150 for 18 sqft more living space. Net adjustment: +$5,150.

8808 BLACK OAK ST, AUSTIN, TX 78729
0.03 mi 100% similar Same subdivision
3 bed 2 bath 870 sqft Built 1984
Raw Value $408,597
Adjusted Value $589,133

Adjusted +$180,536 for 631 sqft more living space. Net adjustment: +$180,536.

The Neighborhood

This home is valued 6.5% below the R373483F - Springwood NORTH OF ANDERSON MILL median of $451,480. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.2% over the past year.

R373483F - Springwood NORTH OF ANDERSON MILL

typical
278 Properties
$451,480 Median Value
-3.2% YoY Change
3% Have Pool
99% Have Garage
This Home
$422,329
Median
$451,480

This home is -6.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,241 across all districts. With a homestead exemption claimed, that drops to $6,470 — 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%$3,772
AustinCity0.5240%$2,213
Williamson CountyCounty0.3694%$1,560
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%$8,241

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $402,165 would pay approximately $2,510 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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