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

1804 SYLVIA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,434 sqftBuilt 1992

Property at a Glance

This home is estimated between $295,807 and $442,666, with a best estimate of $378,675. That places the property above 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

$295,807 $442,666
Best Estimate
$378,675
WCAD Value
$297,007
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 $295,807 and $442,666. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1704 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,562 sqft Built 1993
Raw Value $327,036
Adjusted Value $295,807

Adjusted -$29,218 for 128 sqft less living space and -$2,011 for being older. Net adjustment: -$31,229.

1711 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,178 sqft Built 1993
Raw Value $354,825
Adjusted Value $411,250

Adjusted +$58,436 for 256 sqft more living space and -$2,011 for being older. Net adjustment: +$56,425.

1808 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,169 sqft Built 1993
Raw Value $384,186
Adjusted Value $442,666

Adjusted +$60,491 for 265 sqft more living space and -$2,011 for being older. Net adjustment: +$58,480.

1612 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,316 sqft Built 1995
Raw Value $314,021
Adjusted Value $334,923

Adjusted +$26,936 for 118 sqft more living space and -$6,034 for being older. Net adjustment: +$20,902.

1801 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,237 sqft Built 1992
Raw Value $333,706
Adjusted Value $378,675

Adjusted +$44,969 for 197 sqft more living space. Net adjustment: +$44,969.

The Neighborhood

This home is valued 2.3% 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
$297,007
Median
$290,418

This home is +2.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,344 across all districts. With a homestead exemption claimed, that drops to $4,039 — saving $1,305 per year. That's $337 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%$2,653
Round RockCity0.3720%$1,105
Williamson CountyCounty0.3694%$1,097
Austin Community Collegespecial0.1034%$307
Williamson County FM/RdCounty0.0443%$132
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,344

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $378,675 would pay approximately $2,364 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 4/19/2026.

View full property details