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15411 RR 620 N, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

2 bed840 sqftBuilt 1945

Property at a Glance

This home is estimated between $-204,656 and $969,476, with a best estimate of $600,484. That places the property below 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

$-204,656 $969,476
Best Estimate
$600,484
WCAD Value
$228,342
Low Confidence

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

There are 5 comparable properties within range, but few are in R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area. The estimated range of $-204,656 and $969,476 should be treated as a rough guide.

Comparable Properties (5)

3 bed 632 sqft Built 1950
Raw Value $180,461
Adjusted Value $488,055

Adjusted +$82,223 for 208 sqft more living space and +$225,371 for having a pool. Net adjustment: +$307,594.

15409 RR 620, AUSTIN, TX 78717
0.00 mi 73% similar
3 bed 1,804 sqft Built 1950
Raw Value $945,717
Adjusted Value $790,015

Adjusted -$381,073 for 964 sqft less living space and +$225,371 for having a pool. Net adjustment: -$155,702.

15212 RR 620, AUSTIN, TX 78717
0.00 mi 67% similar
3 bed 1,401 sqft Built 1940
Raw Value $965,871
Adjusted Value $969,476

Adjusted -$221,766 for 561 sqft less living space and +$225,371 for having a pool. Net adjustment: +$3,605.

RR 620, AUSTIN, TX 78717
0.00 mi 54% similar
3 bed 2,811 sqft Built 1955
Raw Value $1,154,258
Adjusted Value $600,484

Adjusted -$779,145 for 1,971 sqft less living space and +$225,371 for having a pool. Net adjustment: -$553,774.

15615 RM 620, AUSTIN, TX 78717
0.00 mi 52% similar Same subdivision
3 bed 2 bath 3,280 sqft Built 1964
Raw Value $534,515
Adjusted Value $-204,656

Adjusted -$964,542 for 2,440 sqft less living space and +$225,371 for having a pool. Net adjustment: -$739,171.

The Neighborhood

This home is valued 67.4% below the R103D76C-Abstracts-Great Oaks, Hairy Man, Sam Bass&620 Area median of $699,495. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

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

outlier low
73 Properties
$699,495 Median Value
-4.6% YoY Change
10% Have Pool
51% Have Garage
This Home
$228,342
Median
$699,495

This home is -67.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $3,487 across all districts. With a homestead exemption claimed, that drops to $2,195 — saving $1,292 per year. That's $183 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%$2,039
Williamson CountyCounty0.3694%$844
Austin Community Collegespecial0.1034%$236
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$228
Williamson County FM/RdCounty0.0443%$101
Upper Brushy Creek WCIDWater0.0170%$39
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5273%$3,487

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $600,484 would pay approximately $3,748 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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