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1813 RUSTY NAIL LOOP, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,234 sqftBuilt 1993

Property at a Glance

This home is estimated between $213,972 and $307,936, with a best estimate of $235,570. 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

$213,972 $307,936
Best Estimate
$235,570
WCAD Value
$411,547
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 $213,972 and $307,936. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1815 RUSTY NAIL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,885 sqft Built 1994
Raw Value $364,585
Adjusted Value $213,972

Adjusted -$148,602 for 651 sqft less living space and -$2,011 for being older. Net adjustment: -$150,613.

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 $235,570

Adjusted -$79,437 for 348 sqft less living space. Net adjustment: -$79,437.

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 $307,936

Adjusted +$58,665 for 257 sqft more living space and -$4,023 for being older. Net adjustment: +$54,642.

1807 RUSTY NAIL LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,582 sqft Built 1994
Raw Value $312,021
Adjusted Value $230,573

Adjusted -$79,437 for 348 sqft less living space and -$2,011 for being older. Net adjustment: -$81,448.

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 $306,656

Adjusted +$52,045 for 228 sqft more living space and -$4,023 for being older. Net adjustment: +$48,022.

The Neighborhood

This home is valued 41.7% 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

above average
648 Properties
$290,418 Median Value
-7.8% YoY Change
2% Have Pool
89% Have Garage
This Home
$411,547
Median
$290,418

This home is +41.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,405 across all districts. With a homestead exemption claimed, that drops to $6,079 — saving $1,326 per year. That's $507 per month a buyer should budget. The assessed value increased +0.7% vs the subdivision average of -7.8%. This above-average increase gives a protest opportunity score of 43 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,676
Round RockCity0.3720%$1,531
Williamson CountyCounty0.3694%$1,520
Austin Community Collegespecial0.1034%$426
Williamson County FM/RdCounty0.0443%$182
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,405
43 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $235,570 would pay approximately $1,470 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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