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15709 RR 620 N, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed9,386 sqftBuilt 1983

Property at a Glance

This home is estimated between $2,414,008 and $2,744,196, with a best estimate of $2,595,414.

Estimated Value Range

$2,414,008 $2,744,196
Best Estimate
$2,595,414
WCAD Value
$1,890,190
Low Confidence

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

There are 5 comparable properties within range, but none are in R30QF - Funeral Home/mortuary-west Round Rock. The estimated range of $2,414,008 and $2,744,196 should be treated as a rough guide.

Comparable Properties (5)

3 bed 3,738 sqft Built 1979
Raw Value $1,138,731
Adjusted Value $2,502,062

Adjusted +$1,363,736 for 5,648 sqft more living space and -$405 for being older. Net adjustment: +$1,363,331.

3 bed 6,088 sqft Built 1960
Raw Value $1,559,824
Adjusted Value $2,414,008

Adjusted +$796,317 for 3,298 sqft more living space and -$2,326 for being older and +$60,193 for having a garage. Net adjustment: +$854,184.

3 bed 3,480 sqft Built 1984
Raw Value $1,257,871
Adjusted Value $2,744,196

Adjusted +$1,426,031 for 5,906 sqft more living space and +$101 for being newer and +$60,193 for having a garage. Net adjustment: +$1,486,325.

15405 RR 620, AUSTIN, TX 78717
0.00 mi 64% similar
3 bed 2,600 sqft Built 1984
Raw Value $1,025,801
Adjusted Value $2,724,606

Adjusted +$1,638,511 for 6,786 sqft more living space and +$101 for being newer and +$60,193 for having a garage. Net adjustment: +$1,698,805.

3 bed 2,935 sqft Built 1965
Raw Value $979,418
Adjusted Value $2,595,414

Adjusted +$1,557,624 for 6,451 sqft more living space and -$1,821 for being older and +$60,193 for having a garage. Net adjustment: +$1,615,996.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $28,868 across all districts. With a homestead exemption claimed, that drops to $27,269 — saving $1,599 per year. That's $2,272 per month a buyer should budget. The assessed value increased +5.0%. This 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%$16,881
Williamson CountyCounty0.3694%$6,983
Austin Community Collegespecial0.1034%$1,954
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$1,890
Williamson County FM/RdCounty0.0443%$838
Upper Brushy Creek WCIDWater0.0170%$321
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$28,868
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $2,595,414 would pay approximately $16,200 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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