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1503 BLACKJACK DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,048 sqftBuilt 1992

Property at a Glance

This home is estimated between $137,470 and $472,697, with a best estimate of $432,655. That places the property above the R126592G - WOODS/OAK HOLLOW ALL SECTIONS median of $420,536, in a neighborhood that declined 8.5% over the past year.

Estimated Value Range

$137,470 $472,697
Best Estimate
$432,655
WCAD Value
$433,405
High Confidence

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

Based on 5 comparable properties in R126592G - WOODS/OAK HOLLOW ALL SECTIONS, this home's estimated market value is between $137,470 and $472,697. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1601 BLACKJACK DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,038 sqft Built 1992
Raw Value $469,524
Adjusted Value $472,697

Adjusted +$3,173 for 10 sqft more living space. Net adjustment: +$3,173.

1709 BLACKJACK DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 950 sqft Built 1991
Raw Value $397,406
Adjusted Value $432,655

Adjusted +$31,094 for 98 sqft more living space and +$4,155 for being newer. Net adjustment: +$35,249.

1605 BLACKJACK DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,752 sqft Built 1991
Raw Value $356,685
Adjusted Value $137,470

Adjusted -$223,370 for 704 sqft less living space and +$4,155 for being newer. Net adjustment: -$219,215.

1600 BLACKJACK DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 856 sqft Built 1995
Raw Value $417,908
Adjusted Value $466,362

Adjusted +$60,919 for 192 sqft more living space and -$12,465 for being older. Net adjustment: +$48,454.

1903 BLACKJACK CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,236 sqft Built 1992
Raw Value $456,010
Adjusted Value $396,360

Adjusted -$59,650 for 188 sqft less living space. Net adjustment: -$59,650.

The Neighborhood

This home is valued 3.1% above the R126592G - WOODS/OAK HOLLOW ALL SECTIONS median of $420,536. With 451 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.5% over the past year.

R126592G - WOODS/OAK HOLLOW ALL SECTIONS

typical
451 Properties
$420,536 Median Value
-8.5% YoY Change
2% Have Pool
99% Have Garage
This Home
$433,405
Median
$420,536

This home is +3.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,798 across all districts. With a homestead exemption claimed, that drops to $6,468 — saving $1,330 per year. That's $539 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%$3,871
Round RockCity0.3720%$1,612
Williamson CountyCounty0.3694%$1,601
Austin Community Collegespecial0.1034%$448
Williamson County FM/RdCounty0.0443%$192
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,798

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $432,655 would pay approximately $2,701 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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