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1631 SYLVIA CT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,100 sqftBuilt 1992

Property at a Glance

This home is estimated between $233,256 and $403,818, with a best estimate of $355,878. 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

$233,256 $403,818
Best Estimate
$355,878
WCAD Value
$340,095
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 $233,256 and $403,818. 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 $311,057

Adjusted -$10,957 for 48 sqft less living space. Net adjustment: -$10,957.

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 $233,256

Adjusted -$49,306 for 216 sqft less living space and -$6,034 for being older. Net adjustment: -$55,340.

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 $355,878

Adjusted -$10,957 for 48 sqft less living space and +$4,023 for being newer. Net adjustment: -$6,934.

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 $403,818

Adjusted +$63,458 for 278 sqft more living space and -$4,023 for being older. Net adjustment: +$59,435.

1808 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
4 bed 2 bath 1,169 sqft Built 1993
Raw Value $384,186
Adjusted Value $366,425

Adjusted -$15,750 for 69 sqft less living space and -$2,011 for being older. Net adjustment: -$17,761.

The Neighborhood

This home is valued 17.1% 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
$340,095
Median
$290,418

This home is +17.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,119 across all districts. With a homestead exemption claimed, that drops to $4,806 — saving $1,313 per year. That's $401 per month a buyer should budget. The assessed value increased 0.0% 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%$3,037
Round RockCity0.3720%$1,265
Williamson CountyCounty0.3694%$1,256
Austin Community Collegespecial0.1034%$352
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,119
39 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $355,878 would pay approximately $2,221 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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