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14926 RR 620, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed26,700 sqftBuilt 2024

Property at a Glance

This home is estimated between $4,473,073 and $7,642,609, with a best estimate of $6,485,875. That places the property above the R30IW - Mini-warehouse-west Round Rock median of $4,660,982, in a neighborhood that appreciated 71.5% over the past year.

Estimated Value Range

$4,473,073 $7,642,609
Best Estimate
$6,485,875
WCAD Value
$11,825,600
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R30IW - Mini-warehouse-west Round Rock. The estimated range of $4,473,073 and $7,642,609 should be treated as a rough guide.

Comparable Properties (5)

15418 RR 620, AUSTIN, TX 78717
0.00 mi 93% similar Same subdivision
3 bed 26,450 sqft Built 2000
Raw Value $4,415,136
Adjusted Value $4,473,073

Adjusted +$60,364 for 250 sqft more living space and -$2,427 for being older. Net adjustment: +$57,937.

3 bed 9,386 sqft Built 1983
Raw Value $1,890,190
Adjusted Value $6,006,395

Adjusted +$4,180,545 for 17,314 sqft more living space and -$4,147 for being older and -$60,193 for no garage. Net adjustment: +$4,116,205.

4 bed 6,674 sqft Built 2020
Raw Value $2,867,837
Adjusted Value $7,642,609

Adjusted +$4,835,370 for 20,026 sqft more living space and -$405 for being older and -$60,193 for no garage. Net adjustment: +$4,774,772.

3 bed 2 bath 2,825 sqft Built 2013
Raw Value $789,145
Adjusted Value $6,492,568

Adjusted +$5,764,729 for 23,875 sqft more living space and -$1,113 for being older and -$60,193 for no garage. Net adjustment: +$5,703,423.

3 bed 2 bath 3,027 sqft Built 2012
Raw Value $831,327
Adjusted Value $6,485,875

Adjusted +$5,715,955 for 23,673 sqft more living space and -$1,214 for being older and -$60,193 for no garage. Net adjustment: +$5,654,548.

The Neighborhood

This home is valued 153.7% above the R30IW - Mini-warehouse-west Round Rock median of $4,660,982. With 6 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 71.5% over the past year.

R30IW - Mini-warehouse-west Round Rock

outlier high
6 Properties
$4,660,982 Median Value
+71.5% YoY Change
0% Have Pool
0% Have Garage
This Home
$11,825,600
Median
$4,660,982

This home is +153.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $180,610 across all districts. With a homestead exemption claimed, that drops to $177,175 — saving $3,435 per year. That's $14,765 per month a buyer should budget. The assessed value increased +329.6% vs the subdivision average of +71.5%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$105,614
Williamson CountyCounty0.3694%$43,689
Austin Community Collegespecial0.1034%$12,228
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$11,826
Williamson County FM/RdCounty0.0443%$5,242
Upper Brushy Creek WCIDWater0.0170%$2,010
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$180,610
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $6,485,875 would pay approximately $40,485 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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