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4102 RISA CT, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,918 sqftBuilt 2004

Property at a Glance

This home is estimated between $590,355 and $801,569, with a best estimate of $765,128. That places the property above the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158, in a neighborhood that appreciated 0.3% over the past year.

Estimated Value Range

$590,355 $801,569
Best Estimate
$765,128
WCAD Value
$810,968
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5. The estimated range of $590,355 and $801,569 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $590,355

Adjusted +$740 for 2 sqft more living space and +$27,604 for being newer. Net adjustment: +$28,344.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $612,651

Adjusted +$740 for 2 sqft more living space and +$33,125 for being newer. Net adjustment: +$33,865.

2423 ARBOR DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $765,128

Adjusted -$87,313 for 236 sqft less living space and -$8,281 for being older. Net adjustment: -$95,594.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $801,569

Adjusted -$111,361 for 301 sqft less living space and +$8,281 for being newer. Net adjustment: -$103,080.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $769,206

Adjusted +$39,587 for 107 sqft more living space and +$27,604 for being newer. Net adjustment: +$67,191.

The Neighborhood

This home is valued 8.1% above the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158. With 1,049 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.3% over the past year.

R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5

typical
1,049 Properties
$750,158 Median Value
+0.3% YoY Change
1% Have Pool
99% Have Garage
This Home
$810,968
Median
$750,158

This home is +8.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,523 across all districts. With a homestead exemption claimed, that drops to $14,123 — saving $1,400 per year. That's $1,177 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%$7,243
Brushy Creek MUDMUD0.3868%$3,137
Williamson CountyCounty0.3694%$2,996
Austin Community Collegespecial0.1034%$839
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$811
Williamson County FM/RdCounty0.0443%$359
Upper Brushy Creek WCIDWater0.0170%$138
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$15,523

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $765,128 would pay approximately $4,776 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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