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

1816 OVERCUP DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,195 sqftBuilt 1994

Property at a Glance

This home is estimated between $515,545 and $667,453, with a best estimate of $532,335. 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

$515,545 $667,453
Best Estimate
$532,335
WCAD Value
$417,311
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 $515,545 and $667,453. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1906 OVERCUP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,753 sqft Built 1993
Raw Value $371,149
Adjusted Value $515,545

Adjusted +$140,241 for 442 sqft more living space and +$4,155 for being newer. Net adjustment: +$144,396.

1802 OVERCUP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,630 sqft Built 1993
Raw Value $348,913
Adjusted Value $532,335

Adjusted +$179,267 for 565 sqft more living space and +$4,155 for being newer. Net adjustment: +$183,422.

1812 OVERCUP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,712 sqft Built 1993
Raw Value $365,323
Adjusted Value $522,728

Adjusted +$153,250 for 483 sqft more living space and +$4,155 for being newer. Net adjustment: +$157,405.

2002 OVERCUP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,482 sqft Built 1995
Raw Value $445,382
Adjusted Value $667,453

Adjusted +$226,226 for 713 sqft more living space and -$4,155 for being older. Net adjustment: +$222,071.

1900 OVERCUP DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,559 sqft Built 1993
Raw Value $342,390
Adjusted Value $548,340

Adjusted +$201,795 for 636 sqft more living space and +$4,155 for being newer. Net adjustment: +$205,950.

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
$417,311
Median
$420,536

This home is -0.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,509 across all districts. With a homestead exemption claimed, that drops to $6,181 — saving $1,328 per year. That's $515 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%$3,727
Round RockCity0.3720%$1,552
Williamson CountyCounty0.3694%$1,542
Austin Community Collegespecial0.1034%$431
Williamson County FM/RdCounty0.0443%$185
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,509

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $532,335 would pay approximately $3,323 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