Beta Williamson County, TX only — data and coverage are limited during early access.

1400 HIDDEN GLEN DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,411 sqftBuilt 2003

Property at a Glance

This home is estimated between $782,708 and $926,801, with a best estimate of $886,609. That places the property above the R140601C - Hidden Glen median of $813,527, in a neighborhood that declined 1.5% over the past year.

Estimated Value Range

$782,708 $926,801
Best Estimate
$886,609
WCAD Value
$872,079
High Confidence

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

Based on 5 comparable properties in R140601C - Hidden Glen, this home's estimated market value is between $782,708 and $926,801. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

901 HIDDEN GLEN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,093 sqft Built 2008
Raw Value $842,177
Adjusted Value $912,284

Adjusted +$110,426 for 318 sqft more living space and -$40,319 for being older. Net adjustment: +$70,107.

909 HIDDEN GLEN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,441 sqft Built 2009
Raw Value $841,508
Adjusted Value $782,708

Adjusted -$10,418 for 30 sqft less living space and -$48,382 for being older. Net adjustment: -$58,800.

820 HIDDEN GLEN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,137 sqft Built 2005
Raw Value $847,781
Adjusted Value $926,801

Adjusted +$95,147 for 274 sqft more living space and -$16,127 for being older. Net adjustment: +$79,020.

835 HIDDEN GLEN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,709 sqft Built 2008
Raw Value $964,442
Adjusted Value $820,642

Adjusted -$103,481 for 298 sqft less living space and -$40,319 for being older. Net adjustment: -$143,800.

1021 HIDDEN GLEN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,054 sqft Built 2005
Raw Value $778,768
Adjusted Value $886,609

Adjusted +$123,968 for 357 sqft more living space and -$16,127 for being older. Net adjustment: +$107,841.

The Neighborhood

This home is valued 7.2% above the R140601C - Hidden Glen median of $813,527. With 345 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 1.5% over the past year.

R140601C - Hidden Glen

typical
345 Properties
$813,527 Median Value
-1.5% YoY Change
0% Have Pool
99% Have Garage
This Home
$872,079
Median
$813,527

This home is +7.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,691 across all districts. With a homestead exemption claimed, that drops to $14,280 — saving $1,411 per year. That's $1,190 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%$7,789
Round RockCity0.3720%$3,244
Williamson CountyCounty0.3694%$3,222
Austin Community Collegespecial0.1034%$902
Williamson County FM/RdCounty0.0443%$387
Upper Brushy Creek WCIDWater0.0170%$148
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$15,691

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $886,609 would pay approximately $5,534 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.

View full property details