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2505 ALEXANDER CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,905 sqftBuilt 2005

Property at a Glance

This home is estimated between $337,873 and $342,915, with a best estimate of $341,205. That places the property below the R530506E - SONOMA ALL SECTIONS median of $451,534, in a neighborhood that declined 7.0% over the past year.

Estimated Value Range

$337,873 $342,915
Best Estimate
$341,205
WCAD Value
$376,679
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R530506E - SONOMA ALL SECTIONS. The estimated range of $337,873 and $342,915 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,845 sqft Built 2006
Raw Value $327,226
Adjusted Value $337,873

Adjusted +$16,079 for 60 sqft more living space and -$5,432 for being older. Net adjustment: +$10,647.

3 bed 2 bath 1,868 sqft Built 2005
Raw Value $332,560
Adjusted Value $342,475

Adjusted +$9,915 for 37 sqft more living space. Net adjustment: +$9,915.

3 bed 2 bath 1,947 sqft Built 2005
Raw Value $352,460
Adjusted Value $341,205

Adjusted -$11,255 for 42 sqft less living space. Net adjustment: -$11,255.

3 bed 2 bath 1,879 sqft Built 2005
Raw Value $335,947
Adjusted Value $342,915

Adjusted +$6,968 for 26 sqft more living space. Net adjustment: +$6,968.

3 bed 2 bath 1,868 sqft Built 2005
Raw Value $328,753
Adjusted Value $338,668

Adjusted +$9,915 for 37 sqft more living space. Net adjustment: +$9,915.

The Neighborhood

This home is valued 16.6% below the R530506E - SONOMA ALL SECTIONS median of $451,534. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.0% over the past year.

R530506E - SONOMA ALL SECTIONS

below average
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$376,679
Median
$451,534

This home is -16.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,777 across all districts. With a homestead exemption claimed, that drops to $5,458 — saving $1,319 per year. That's $455 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%$3,364
Round RockCity0.3720%$1,401
Williamson CountyCounty0.3694%$1,392
Austin Community Collegespecial0.1034%$389
Williamson County FM/RdCounty0.0443%$167
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,777

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $341,205 would pay approximately $2,130 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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