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2420 ARBOR DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,460 sqftBuilt 2001

Property at a Glance

This home is estimated between $329,013 and $1,010,374, with a best estimate of $821,456. 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

$329,013 $1,010,374
Best Estimate
$821,456
WCAD Value
$890,493
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 $329,013 and $1,010,374 should be treated as a rough guide.

Comparable Properties (5)

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 $973,933

Adjusted +$113,211 for 306 sqft more living space. Net adjustment: +$113,211.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $1,010,374

Adjusted +$89,163 for 241 sqft more living space and +$16,562 for being newer. Net adjustment: +$105,725.

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $329,013

Adjusted -$240,481 for 650 sqft less living space and -$2,760 for being older. Net adjustment: -$243,241.

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $799,160

Adjusted +$201,264 for 544 sqft more living space and +$35,885 for being newer. Net adjustment: +$237,149.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $821,456

Adjusted +$201,264 for 544 sqft more living space and +$41,406 for being newer. Net adjustment: +$242,670.

The Neighborhood

This home is valued 18.7% 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

above average
1,049 Properties
$750,158 Median Value
+0.3% YoY Change
1% Have Pool
99% Have Garage
This Home
$890,493
Median
$750,158

This home is +18.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,022 across all districts. With a homestead exemption claimed, that drops to $14,608 — saving $1,414 per year. That's $1,217 per month a buyer should budget. The assessed value increased +7.7% vs the subdivision average of +0.3%. This above-average increase gives a protest opportunity score of 57 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,953
Round RockCity0.3720%$3,313
Williamson CountyCounty0.3694%$3,290
Austin Community Collegespecial0.1034%$921
Williamson County FM/RdCounty0.0443%$395
Upper Brushy Creek WCIDWater0.0170%$151
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$16,022
57 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $821,456 would pay approximately $5,128 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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