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1635 SYLVIA CT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,180 sqftBuilt 1993

Property at a Glance

This home is estimated between $253,529 and $424,092, with a best estimate of $355,282. 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

$253,529 $424,092
Best Estimate
$355,282
WCAD Value
$375,829
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 $253,529 and $424,092. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1624 SYLVIA CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,148 sqft Built 1992
Raw Value $322,014
Adjusted Value $331,330

Adjusted +$7,305 for 32 sqft more living space and +$2,011 for being newer. Net adjustment: +$9,316.

1632 SYLVIA CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,316 sqft Built 1995
Raw Value $288,596
Adjusted Value $253,529

Adjusted -$31,044 for 136 sqft less living space and -$4,023 for being older. Net adjustment: -$35,067.

1633 SYLVIA CT, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,148 sqft Built 1990
Raw Value $362,812
Adjusted Value $376,151

Adjusted +$7,305 for 32 sqft more living space and +$6,034 for being newer. Net adjustment: +$13,339.

1407 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 822 sqft Built 1994
Raw Value $344,383
Adjusted Value $424,092

Adjusted +$81,720 for 358 sqft more living space and -$2,011 for being older. Net adjustment: +$79,709.

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 $355,282

Adjusted +$457 for 2 sqft more living space. Net adjustment: +$457.

The Neighborhood

This home is valued 29.4% 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

above average
648 Properties
$290,418 Median Value
-7.8% YoY Change
2% Have Pool
89% Have Garage
This Home
$375,829
Median
$290,418

This home is +29.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,762 across all districts. With a homestead exemption claimed, that drops to $5,442 — saving $1,320 per year. That's $454 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%$3,357
Round RockCity0.3720%$1,398
Williamson CountyCounty0.3694%$1,388
Austin Community Collegespecial0.1034%$389
Williamson County FM/RdCounty0.0443%$167
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,762

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $355,282 would pay approximately $2,218 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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