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3306 LUMINOSO LN E, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,562 sqftBuilt 2004

Property at a Glance

This home is estimated between $346,311 and $1,040,750, with a best estimate of $640,458. 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

$346,311 $1,040,750
Best Estimate
$640,458
WCAD Value
$649,215
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 $346,311 and $1,040,750 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 3,097 sqft Built 2000
Raw Value $556,425
Adjusted Value $346,311

Adjusted -$197,332 for 535 sqft less living space and -$12,782 for being older. Net adjustment: -$210,114.

3 bed 2 bath 2,221 sqft Built 2014
Raw Value $741,595
Adjusted Value $899,327

Adjusted +$125,776 for 341 sqft more living space and +$31,956 for being newer. Net adjustment: +$157,732.

3 bed 2 bath 2,248 sqft Built 2018
Raw Value $479,901
Adjusted Value $640,458

Adjusted +$115,818 for 314 sqft more living space and +$44,739 for being newer. Net adjustment: +$160,557.

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $357,345

Adjusted -$202,127 for 548 sqft less living space and -$12,782 for being older. Net adjustment: -$214,909.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $1,040,750

Adjusted +$126,514 for 343 sqft more living space and +$9,587 for being newer. Net adjustment: +$136,101.

The Neighborhood

This home is valued 6.2% 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
$649,215
Median
$692,215

This home is -6.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,640 across all districts. With a homestead exemption claimed, that drops to $11,273 — saving $1,367 per year. That's $939 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%$5,633
Brushy Creek MUDMUD0.3868%$2,440
Williamson CountyCounty0.3694%$2,330
Austin Community Collegespecial0.1034%$652
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$631
Brushy Creek MUD Defined AreaMUD0.0900%$568
Williamson County FM/RdCounty0.0443%$280
Upper Brushy Creek WCIDWater0.0170%$107
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$12,640

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $640,458 would pay approximately $3,998 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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