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14 HIDDEN ACRES DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath2,990 sqftBuilt 1977

Property at a Glance

This home is estimated between $519,790 and $700,392, with a best estimate of $628,818. That places the property above the R427578G - Hidden Acres & Sec 2 median of $412,870, in a neighborhood that declined 4.2% over the past year.

Estimated Value Range

$519,790 $700,392
Best Estimate
$628,818
WCAD Value
$465,918
High Confidence

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

Based on 5 comparable properties in R427578G - Hidden Acres & Sec 2, this home's estimated market value is between $519,790 and $700,392. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

18 HIDDEN ACRES DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,828 sqft Built 1977
Raw Value $426,884
Adjusted Value $674,003

Adjusted +$247,119 for 1,162 sqft more living space. Net adjustment: +$247,119.

9 HIDDEN ACRES DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,525 sqft Built 1977
Raw Value $420,900
Adjusted Value $519,790

Adjusted +$98,890 for 465 sqft more living space. Net adjustment: +$98,890.

17 HIDDEN ACRES DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,857 sqft Built 1979
Raw Value $527,905
Adjusted Value $532,050

Adjusted +$28,285 for 133 sqft more living space and -$24,140 for being older. Net adjustment: +$4,145.

12 HIDDEN ACRES DR, ROUND ROCK, TX 78665
0.00 mi 95% similar Same subdivision
4 bed 2 bath 1,411 sqft Built 1981
Raw Value $412,870
Adjusted Value $700,392

Adjusted +$335,801 for 1,579 sqft more living space and -$48,279 for being older. Net adjustment: +$287,522.

16 HIDDEN ACRES DR, ROUND ROCK, TX 78665
0.00 mi 94% similar Same subdivision
3 bed 2 bath 1,485 sqft Built 1977
Raw Value $308,754
Adjusted Value $628,818

Adjusted +$320,064 for 1,505 sqft more living space. Net adjustment: +$320,064.

The Neighborhood

This home is valued 12.8% above the R427578G - Hidden Acres & Sec 2 median of $412,870. With 19 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.2% over the past year.

R427578G - Hidden Acres & Sec 2

typical
19 Properties
$412,870 Median Value
-4.2% YoY Change
26% Have Pool
84% Have Garage
This Home
$465,918
Median
$412,870

This home is +12.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,115 across all districts. With a homestead exemption claimed, that drops to $5,779 — saving $1,336 per year. That's $482 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%$4,161
Williamson CountyCounty0.3694%$1,721
Austin Community Collegespecial0.1034%$482
Williamson County ESD #9 - Round RockESD0.0999%$466
Williamson County FM/RdCounty0.0443%$207
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$7,115

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $628,818 would pay approximately $3,925 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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