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15212 RR 620, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed1,401 sqftBuilt 1940

Property at a Glance

This home is estimated between $358,069 and $815,324, with a best estimate of $611,555.

Estimated Value Range

$358,069 $815,324
Best Estimate
$611,555
WCAD Value
$965,871
Low Confidence

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

There are 5 comparable properties within range, but none are in R30QN - Rr West Non-imp. The estimated range of $358,069 and $815,324 should be treated as a rough guide.

Comparable Properties (5)

15409 RR 620, AUSTIN, TX 78717
0.00 mi 78% similar
3 bed 1,804 sqft Built 1950
Raw Value $945,717
Adjusted Value $789,229

Adjusted -$97,306 for 403 sqft less living space and +$1,011 for being newer and -$60,193 for no garage. Net adjustment: -$156,488.

RR 620, AUSTIN, TX 78717
0.00 mi 73% similar
3 bed 2,811 sqft Built 1955
Raw Value $1,154,258
Adjusted Value $815,324

Adjusted -$340,451 for 1,410 sqft less living space and +$1,517 for being newer. Net adjustment: -$338,934.

2 bed 840 sqft Built 1945
Raw Value $228,342
Adjusted Value $358,069

Adjusted +$135,456 for 561 sqft more living space and +$506 for being newer and -$6,235 for no pool. Net adjustment: +$129,727.

3 bed 2,935 sqft Built 1965
Raw Value $979,418
Adjusted Value $611,555

Adjusted -$370,391 for 1,534 sqft less living space and +$2,528 for being newer. Net adjustment: -$367,863.

3 bed 632 sqft Built 1950
Raw Value $180,461
Adjusted Value $367,151

Adjusted +$185,679 for 769 sqft more living space and +$1,011 for being newer. Net adjustment: +$186,690.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

The estimated annual property tax is $14,752 across all districts. With a homestead exemption claimed, that drops to $13,323 — saving $1,429 per year. That's $1,110 per month a buyer should budget. The assessed value increased +0.8%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,626
Williamson CountyCounty0.3694%$3,568
Austin Community Collegespecial0.1034%$999
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$966
Williamson County FM/RdCounty0.0443%$428
Upper Brushy Creek WCIDWater0.0170%$164
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$14,752
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $611,555 would pay approximately $3,817 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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