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

1509 LANTERN LIGHT DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,031 sqftBuilt 1993

Property at a Glance

This home is estimated between $228,120 and $394,761, with a best estimate of $260,675. That places the property below 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

$228,120 $394,761
Best Estimate
$260,675
WCAD Value
$257,938
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 $228,120 and $394,761. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1502 LANTERN LIGHT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 810 sqft Built 1992
Raw Value $312,568
Adjusted Value $365,026

Adjusted +$50,447 for 221 sqft more living space and +$2,011 for being newer. Net adjustment: +$52,458.

1401 LANTERN LIGHT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,171 sqft Built 1991
Raw Value $288,609
Adjusted Value $260,675

Adjusted -$31,957 for 140 sqft less living space and +$4,023 for being newer. Net adjustment: -$27,934.

1403 LANTERN LIGHT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 839 sqft Built 1994
Raw Value $352,945
Adjusted Value $394,761

Adjusted +$43,827 for 192 sqft more living space and -$2,011 for being older. Net adjustment: +$41,816.

1507 LANTERN LIGHT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,263 sqft Built 1992
Raw Value $279,067
Adjusted Value $228,120

Adjusted -$52,958 for 232 sqft less living space and +$2,011 for being newer. Net adjustment: -$50,947.

1407 LANTERN LIGHT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,111 sqft Built 1994
Raw Value $263,659
Adjusted Value $243,387

Adjusted -$18,261 for 80 sqft less living space and -$2,011 for being older. Net adjustment: -$20,272.

The Neighborhood

This home is valued 11.2% below the R123492H - Sam Bass/Hermitage/Somerset R3 median of $290,418. That positions it competitively for buyers comparing within the neighborhood. 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
$257,938
Median
$290,418

This home is -11.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,641 across all districts. With a homestead exemption claimed, that drops to $3,343 — saving $1,298 per year. That's $279 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%$2,304
Round RockCity0.3720%$960
Williamson CountyCounty0.3694%$953
Austin Community Collegespecial0.1034%$267
Williamson County FM/RdCounty0.0443%$114
Upper Brushy Creek WCIDWater0.0170%$44
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,641

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $260,675 would pay approximately $1,627 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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