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1615 SYLVIA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath841 sqftBuilt 1995

Property at a Glance

This home is estimated between $281,922 and $359,033, with a best estimate of $330,991. 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

$281,922 $359,033
Best Estimate
$330,991
WCAD Value
$341,482
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 $281,922 and $359,033. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $359,033

Adjusted +$4,337 for 19 sqft more living space. Net adjustment: +$4,337.

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 $330,991

Adjusted +$5,707 for 25 sqft more living space and +$6,034 for being newer. Net adjustment: +$11,741.

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 $281,922

Adjusted -$76,926 for 337 sqft less living space and +$4,023 for being newer. Net adjustment: -$72,903.

1616 SYLVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 720 sqft Built 1994
Raw Value $308,885
Adjusted Value $338,516

Adjusted +$27,620 for 121 sqft more living space and +$2,011 for being newer. Net adjustment: +$29,631.

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 $313,337

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

The Neighborhood

This home is valued 17.6% 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
$341,482
Median
$290,418

This home is +17.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,144 across all districts. With a homestead exemption claimed, that drops to $4,831 — saving $1,313 per year. That's $403 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%$3,050
Round RockCity0.3720%$1,270
Williamson CountyCounty0.3694%$1,262
Austin Community Collegespecial0.1034%$353
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,144

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $330,991 would pay approximately $2,066 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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