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

3500 CURTIS DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,801 sqftBuilt 2010

Property at a Glance

This home is estimated between $530,506 and $741,720, with a best estimate of $705,278. That places the property below 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

$530,506 $741,720
Best Estimate
$705,278
WCAD Value
$770,972
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 $530,506 and $741,720 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 $530,506

Adjusted -$42,547 for 115 sqft less living space and +$11,042 for being newer. Net adjustment: -$31,505.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $552,801

Adjusted -$42,547 for 115 sqft less living space and +$16,562 for being newer. Net adjustment: -$25,985.

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 $705,278

Adjusted -$130,600 for 353 sqft less living space and -$24,844 for being older. Net adjustment: -$155,444.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $709,357

Adjusted -$3,700 for 10 sqft less living space and +$11,042 for being newer. Net adjustment: +$7,342.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $741,720

Adjusted -$154,648 for 418 sqft less living space and -$8,281 for being older. Net adjustment: -$162,929.

The Neighborhood

This home is valued 2.8% 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
$770,972
Median
$750,158

This home is +2.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,113 across all districts. With a homestead exemption claimed, that drops to $12,733 — saving $1,380 per year. That's $1,061 per month a buyer should budget. The assessed value increased +5.3% vs the subdivision average of +0.3%. This above-average increase gives a protest opportunity score of 40 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,289
Brushy Creek MUDMUD0.3868%$2,724
Williamson CountyCounty0.3694%$2,602
Austin Community Collegespecial0.1034%$728
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$704
Brushy Creek MUD Defined AreaMUD0.0900%$634
Williamson County FM/RdCounty0.0443%$312
Upper Brushy Creek WCIDWater0.0170%$120
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$14,113
40 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $705,278 would pay approximately $4,402 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