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3021 LUMINOSO LN E, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,106 sqftBuilt 2002

Property at a Glance

This home is estimated between $195,542 and $878,947, with a best estimate of $737,525. 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

$195,542 $878,947
Best Estimate
$737,525
WCAD Value
$798,496
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 $195,542 and $878,947 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $839,821

Adjusted -$17,705 for 48 sqft less living space and -$3,196 for being older. Net adjustment: -$20,901.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $878,947

Adjusted -$41,680 for 113 sqft less living space and +$15,978 for being newer. Net adjustment: -$25,702.

3 bed 2 bath 2,221 sqft Built 2014
Raw Value $741,595
Adjusted Value $737,525

Adjusted -$42,417 for 115 sqft less living space and +$38,347 for being newer. Net adjustment: -$4,070.

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $195,542

Adjusted -$370,321 for 1,004 sqft less living space and -$6,391 for being older. Net adjustment: -$376,712.

3 bed 2 bath 2,248 sqft Built 2018
Raw Value $479,901
Adjusted Value $478,655

Adjusted -$52,376 for 142 sqft less living space and +$51,130 for being newer. Net adjustment: -$1,246.

The Neighborhood

This home is valued 15.4% 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.

above average
299 Properties
$692,215 Median Value
+3.8% YoY Change
0% Have Pool
97% Have Garage
This Home
$798,496
Median
$692,215

This home is +15.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,284 across all districts. With a homestead exemption claimed, that drops to $13,886 — saving $1,398 per year. That's $1,157 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%$7,131
Brushy Creek MUDMUD0.3868%$3,089
Williamson CountyCounty0.3694%$2,950
Austin Community Collegespecial0.1034%$826
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$798
Williamson County FM/RdCounty0.0443%$354
Upper Brushy Creek WCIDWater0.0170%$136
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$15,284

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $737,525 would pay approximately $4,604 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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