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3310 LUMINOSO LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,857 sqftBuilt 2003

Property at a Glance

This home is estimated between $575,401 and $783,909, with a best estimate of $744,784. 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

$575,401 $783,909
Best Estimate
$744,784
WCAD Value
$731,569
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 $575,401 and $783,909 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $754,134

Adjusted +$16,967 for 46 sqft more living space and +$35,152 for being newer. Net adjustment: +$52,119.

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $575,401

Adjusted -$21,762 for 59 sqft less living space and +$35,152 for being newer. Net adjustment: +$13,390.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $744,784

Adjusted -$109,547 for 297 sqft less living space and -$6,391 for being older. Net adjustment: -$115,938.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $598,567

Adjusted -$21,762 for 59 sqft less living space and +$41,543 for being newer. Net adjustment: +$19,781.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $783,909

Adjusted -$133,522 for 362 sqft less living space and +$12,782 for being newer. Net adjustment: -$120,740.

The Neighborhood

This home is valued 5.7% above the R101506D - Sendero Springs Sec 4,5 East of SS Dr. median of $692,215. With 299 homes in the subdivision, the property sits in the upper tier. 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
$731,569
Median
$692,215

This home is +5.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,661 across all districts. With a homestead exemption claimed, that drops to $13,276 — saving $1,385 per year. That's $1,106 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%$6,534
Brushy Creek MUDMUD0.3868%$2,830
Williamson CountyCounty0.3694%$2,703
Austin Community Collegespecial0.1034%$756
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$732
Brushy Creek MUD Defined AreaMUD0.0900%$658
Williamson County FM/RdCounty0.0443%$324
Upper Brushy Creek WCIDWater0.0170%$124
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$14,661

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $744,784 would pay approximately $4,649 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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