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

1808 SYLVIA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,169 sqftBuilt 1993

Property at a Glance

This home is estimated between $237,327 and $429,882, with a best estimate of $401,839. 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

$237,327 $429,882
Best Estimate
$401,839
WCAD Value
$384,186
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 $237,327 and $429,882. 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 $237,327

Adjusted -$89,709 for 393 sqft less living space. Net adjustment: -$89,709.

1602 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 822 sqft Built 1995
Raw Value $354,696
Adjusted Value $429,882

Adjusted +$79,209 for 347 sqft more living space and -$4,023 for being older. Net adjustment: +$75,186.

1601 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 816 sqft Built 1992
Raw Value $319,250
Adjusted Value $401,839

Adjusted +$80,578 for 353 sqft more living space and +$2,011 for being newer. Net adjustment: +$82,589.

1615 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 841 sqft Built 1995
Raw Value $341,482
Adjusted Value $412,331

Adjusted +$74,872 for 328 sqft more living space and -$4,023 for being older. Net adjustment: +$70,849.

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 $352,771

Adjusted -$2,054 for 9 sqft less living space. Net adjustment: -$2,054.

The Neighborhood

This home is valued 32.3% 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

above average
648 Properties
$290,418 Median Value
-7.8% YoY Change
2% Have Pool
89% Have Garage
This Home
$384,186
Median
$290,418

This home is +32.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,913 across all districts. With a homestead exemption claimed, that drops to $5,591 — saving $1,322 per year. That's $466 per month a buyer should budget. The assessed value increased -0.1% vs the subdivision average of -7.8%. This above-average increase gives a protest opportunity score of 39 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,431
Round RockCity0.3720%$1,429
Williamson CountyCounty0.3694%$1,419
Austin Community Collegespecial0.1034%$397
Williamson County FM/RdCounty0.0443%$170
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,913
39 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $401,839 would pay approximately $2,508 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