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3305 LUMINOSO LN E, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,509 sqftBuilt 2006

Property at a Glance

This home is estimated between $271,561 and $327,088, with a best estimate of $318,842. That places the property below the R101506D - Sendero Springs Sec 4,5 East of SS Dr. median of $692,215, in a neighborhood that appreciated 3.8% over the past year.

Estimated Value Range

$271,561 $327,088
Best Estimate
$318,842
WCAD Value
$661,745
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R101506D - Sendero Springs Sec 4,5 East of SS Dr.. The estimated range of $271,561 and $327,088 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,585 sqft Built 1997
Raw Value $383,881
Adjusted Value $327,088

Adjusted -$28,032 for 76 sqft less living space and -$28,761 for being older. Net adjustment: -$56,793.

3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $318,842

Adjusted -$27,663 for 75 sqft less living space and -$35,152 for being older. Net adjustment: -$62,815.

3 bed 2 bath 1,675 sqft Built 1995
Raw Value $367,941
Adjusted Value $271,561

Adjusted -$61,228 for 166 sqft less living space and -$35,152 for being older. Net adjustment: -$96,380.

3 bed 2 bath 1,550 sqft Built 1984
Raw Value $366,931
Adjusted Value $281,505

Adjusted -$15,123 for 41 sqft less living space and -$70,303 for being older. Net adjustment: -$85,426.

3 bed 1,232 sqft Built 2011
Raw Value $141,391
Adjusted Value $321,049

Adjusted +$102,170 for 277 sqft more living space and +$15,978 for being newer and +$61,510 for having a garage. Net adjustment: +$179,658.

The Neighborhood

This home is valued 4.4% below the R101506D - Sendero Springs Sec 4,5 East of SS Dr. median of $692,215. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.8% over the past year.

R101506D - Sendero Springs Sec 4,5 East of SS Dr.

typical
299 Properties
$692,215 Median Value
+3.8% YoY Change
0% Have Pool
97% Have Garage
This Home
$661,745
Median
$692,215

This home is -4.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,113 across all districts. With a homestead exemption claimed, that drops to $11,742 — saving $1,371 per year. That's $979 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%$5,843
Brushy Creek MUDMUD0.3868%$2,531
Williamson CountyCounty0.3694%$2,417
Austin Community Collegespecial0.1034%$677
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$654
Brushy Creek MUD Defined AreaMUD0.0900%$589
Williamson County FM/RdCounty0.0443%$290
Upper Brushy Creek WCIDWater0.0170%$111
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$13,113

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $318,842 would pay approximately $1,990 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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