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1800 SYLVIA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,176 sqftBuilt 1992

Property at a Glance

This home is estimated between $236,914 and $429,469, with a best estimate of $401,426. 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

$236,914 $429,469
Best Estimate
$401,426
WCAD Value
$325,054
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 $236,914 and $429,469. 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 $236,914

Adjusted -$88,111 for 386 sqft less living space and -$2,011 for being older. Net adjustment: -$90,122.

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 $429,469

Adjusted +$80,807 for 354 sqft more living space and -$6,034 for being older. Net adjustment: +$74,773.

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 $401,426

Adjusted +$82,176 for 360 sqft more living space. Net adjustment: +$82,176.

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 $411,918

Adjusted +$76,470 for 335 sqft more living space and -$6,034 for being older. Net adjustment: +$70,436.

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 $352,357

Adjusted -$457 for 2 sqft less living space and -$2,011 for being older. Net adjustment: -$2,468.

The Neighborhood

This home is valued 11.9% 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
$325,054
Median
$290,418

This home is +11.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,849 across all districts. With a homestead exemption claimed, that drops to $4,538 — saving $1,311 per year. That's $378 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%$2,903
Round RockCity0.3720%$1,209
Williamson CountyCounty0.3694%$1,201
Austin Community Collegespecial0.1034%$336
Williamson County FM/RdCounty0.0443%$144
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,849

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $401,426 would pay approximately $2,506 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.

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