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

3023 E LUMINOSO LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,814 sqftBuilt 2004

Property at a Glance

This home is estimated between $556,345 and $764,854, with a best estimate of $725,728. 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

$556,345 $764,854
Best Estimate
$725,728
WCAD Value
$790,656
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 $556,345 and $764,854 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 $735,078

Adjusted +$1,107 for 3 sqft more living space and +$31,956 for being newer. Net adjustment: +$33,063.

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $556,345

Adjusted -$37,622 for 102 sqft less living space and +$31,956 for being newer. Net adjustment: -$5,666.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $579,511

Adjusted -$37,622 for 102 sqft less living space and +$38,347 for being newer. Net adjustment: +$725.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $725,728

Adjusted -$125,407 for 340 sqft less living space and -$9,587 for being older. Net adjustment: -$134,994.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $764,854

Adjusted -$149,382 for 405 sqft less living space and +$9,587 for being newer. Net adjustment: -$139,795.

The Neighborhood

This home is valued 14.2% 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
$790,656
Median
$692,215

This home is +14.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,134 across all districts. With a homestead exemption claimed, that drops to $13,738 — saving $1,396 per year. That's $1,145 per month a buyer should budget. The assessed value increased +8.4% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 43 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,061
Brushy Creek MUDMUD0.3868%$3,059
Williamson CountyCounty0.3694%$2,921
Austin Community Collegespecial0.1034%$818
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$791
Williamson County FM/RdCounty0.0443%$350
Upper Brushy Creek WCIDWater0.0170%$134
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$15,134
43 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $725,728 would pay approximately $4,530 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.

View full property details