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15609 N RM 620 RD, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed4,416 sqftBuilt 2018

Property at a Glance

This home is estimated between $1,159,344 and $1,303,247, with a best estimate of $1,264,450. That places the property above the R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area median of $699,495, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$1,159,344 $1,303,247
Best Estimate
$1,264,450
WCAD Value
$1,938,149
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area. The estimated range of $1,159,344 and $1,303,247 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,516 sqft Built 1995
Raw Value $505,413
Adjusted Value $1,256,491

Adjusted +$751,078 for 1,900 sqft more living space. Net adjustment: +$751,078.

4 bed 2 bath 2,764 sqft Built 1977
Raw Value $506,301
Adjusted Value $1,159,344

Adjusted +$653,043 for 1,652 sqft more living space. Net adjustment: +$653,043.

4 bed 2 bath 2,358 sqft Built 1977
Raw Value $450,914
Adjusted Value $1,264,450

Adjusted +$813,536 for 2,058 sqft more living space. Net adjustment: +$813,536.

4 bed 2 bath 2,246 sqft Built 1977
Raw Value $435,797
Adjusted Value $1,293,607

Adjusted +$857,810 for 2,170 sqft more living space. Net adjustment: +$857,810.

4 bed 2 bath 2,239 sqft Built 1977
Raw Value $442,670
Adjusted Value $1,303,247

Adjusted +$860,577 for 2,177 sqft more living space. Net adjustment: +$860,577.

The Neighborhood

This home is valued 177.1% above the R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area median of $699,495. With 73 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.6% over the past year.

R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area

outlier high
73 Properties
$699,495 Median Value
-4.6% YoY Change
10% Have Pool
51% Have Garage
This Home
$1,938,149
Median
$699,495

This home is +177.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $25,164 across all districts. With a homestead exemption claimed, that drops to $23,609 — saving $1,555 per year. That's $1,967 per month a buyer should budget. The assessed value increased +2.7% vs the subdivision average of -4.6%. This above-average increase gives a protest opportunity score of 52 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$14,715
Williamson CountyCounty0.3694%$6,087
Austin Community Collegespecial0.1034%$1,704
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$1,648
Williamson County FM/RdCounty0.0443%$730
Upper Brushy Creek WCIDWater0.0170%$280
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$25,164
52 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,264,450 would pay approximately $7,893 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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