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1705 BLACKJACK DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,585 sqftBuilt 1992

Property at a Glance

This home is estimated between $307,853 and $643,080, with a best estimate of $603,038. 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

$307,853 $643,080
Best Estimate
$603,038
WCAD Value
$423,073
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 $307,853 and $643,080. 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 $643,080

Adjusted +$173,556 for 547 sqft more living space. Net adjustment: +$173,556.

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 $603,038

Adjusted +$201,477 for 635 sqft more living space and +$4,155 for being newer. Net adjustment: +$205,632.

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 $307,853

Adjusted -$52,987 for 167 sqft less living space and +$4,155 for being newer. Net adjustment: -$48,832.

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 $566,743

Adjusted +$110,733 for 349 sqft more living space. Net adjustment: +$110,733.

1609 BLACKJACK DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,153 sqft Built 1996
Raw Value $491,817
Adjusted Value $612,265

Adjusted +$137,068 for 432 sqft more living space and -$16,620 for being older. Net adjustment: +$120,448.

The Neighborhood

This home is in line with the R126592G - WOODS/OAK HOLLOW ALL SECTIONS median of $420,536. 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
$423,073
Median
$420,536

This home is +0.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,612 across all districts. With a homestead exemption claimed, that drops to $6,284 — saving $1,328 per year. That's $524 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%$3,778
Round RockCity0.3720%$1,574
Williamson CountyCounty0.3694%$1,563
Austin Community Collegespecial0.1034%$437
Williamson County FM/RdCounty0.0443%$188
Upper Brushy Creek WCIDWater0.0170%$72
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,612

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $603,038 would pay approximately $3,764 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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