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3106 LUMINOSO LN E, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,390 sqftBuilt 2003

Property at a Glance

This home is estimated between $771,996 and $980,504, with a best estimate of $941,379. That places the property above 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

$771,996 $980,504
Best Estimate
$941,379
WCAD Value
$629,819
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 $771,996 and $980,504 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $980,504

Adjusted +$63,073 for 171 sqft more living space and +$12,782 for being newer. Net adjustment: +$75,855.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $941,379

Adjusted +$87,048 for 236 sqft more living space and -$6,391 for being older. Net adjustment: +$80,657.

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $771,996

Adjusted +$174,833 for 474 sqft more living space and +$35,152 for being newer. Net adjustment: +$209,985.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $795,162

Adjusted +$174,833 for 474 sqft more living space and +$41,543 for being newer. Net adjustment: +$216,376.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $950,729

Adjusted +$213,562 for 579 sqft more living space and +$35,152 for being newer. Net adjustment: +$248,714.

The Neighborhood

This home is valued 9.0% 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
$629,819
Median
$692,215

This home is -9.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,055 across all districts. With a homestead exemption claimed, that drops to $10,689 — saving $1,366 per year. That's $891 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%$5,625
Brushy Creek MUDMUD0.3868%$2,436
Williamson CountyCounty0.3694%$2,327
Austin Community Collegespecial0.1034%$651
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$630
Williamson County FM/RdCounty0.0443%$279
Upper Brushy Creek WCIDWater0.0170%$107
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$12,055

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $941,379 would pay approximately $5,876 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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