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

1800 RUSTY NAIL LOOP, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath932 sqftBuilt 1992

Property at a Glance

This home is estimated between $164,622 and $236,988, with a best estimate of $235,708. That places the property below the R123492H - Sam Bass/Hermitage/Somerset R3 median of $290,418, in a neighborhood that declined 7.8% over the past year.

Estimated Value Range

$164,622 $236,988
Best Estimate
$235,708
WCAD Value
$320,628
High Confidence

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

Based on 5 comparable properties in R123492H - Sam Bass/Hermitage/Somerset R3, this home's estimated market value is between $164,622 and $236,988. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1707 RUSTY NAIL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,582 sqft Built 1993
Raw Value $315,007
Adjusted Value $164,622

Adjusted -$148,374 for 650 sqft less living space and -$2,011 for being older. Net adjustment: -$150,385.

1706 RUSTY NAIL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 977 sqft Built 1995
Raw Value $253,294
Adjusted Value $236,988

Adjusted -$10,272 for 45 sqft less living space and -$6,034 for being older. Net adjustment: -$16,306.

1817 RUSTY NAIL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,006 sqft Built 1995
Raw Value $258,634
Adjusted Value $235,708

Adjusted -$16,892 for 74 sqft less living space and -$6,034 for being older. Net adjustment: -$22,926.

1808 RUSTY NAIL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 1,217 sqft Built 1996
Raw Value $294,106
Adjusted Value $221,004

Adjusted -$65,056 for 285 sqft less living space and -$8,046 for being older. Net adjustment: -$73,102.

1603 RUSTY NAIL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,006 sqft Built 1995
Raw Value $258,634
Adjusted Value $235,708

Adjusted -$16,892 for 74 sqft less living space and -$6,034 for being older. Net adjustment: -$22,926.

The Neighborhood

This home is valued 10.4% above the R123492H - Sam Bass/Hermitage/Somerset R3 median of $290,418. With 648 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.8% over the past year.

R123492H - Sam Bass/Hermitage/Somerset R3

typical
648 Properties
$290,418 Median Value
-7.8% YoY Change
2% Have Pool
89% Have Garage
This Home
$320,628
Median
$290,418

This home is +10.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,769 across all districts. With a homestead exemption claimed, that drops to $4,459 — saving $1,310 per year. That's $372 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%$2,864
Round RockCity0.3720%$1,193
Williamson CountyCounty0.3694%$1,185
Austin Community Collegespecial0.1034%$332
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,769

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $235,708 would pay approximately $1,471 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