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3343 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,806 sqftBuilt 2004

Property at a Glance

This home is estimated between $355,512 and $437,932, with a best estimate of $384,341. 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

$355,512 $437,932
Best Estimate
$384,341
WCAD Value
$370,908
High Confidence

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

Based on 5 comparable properties in R530506E - SONOMA ALL SECTIONS, this home's estimated market value is between $355,512 and $437,932. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3319 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,776 sqft Built 2004
Raw Value $370,631
Adjusted Value $378,670

Adjusted +$8,039 for 30 sqft more living space. Net adjustment: +$8,039.

3308 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,478 sqft Built 2003
Raw Value $344,602
Adjusted Value $437,932

Adjusted +$87,898 for 328 sqft more living space and +$5,432 for being newer. Net adjustment: +$93,330.

3336 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,768 sqft Built 2003
Raw Value $368,726
Adjusted Value $384,341

Adjusted +$10,183 for 38 sqft more living space and +$5,432 for being newer. Net adjustment: +$15,615.

3330 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,913 sqft Built 2003
Raw Value $378,754
Adjusted Value $355,512

Adjusted -$28,674 for 107 sqft less living space and +$5,432 for being newer. Net adjustment: -$23,242.

3316 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,649 sqft Built 2003
Raw Value $359,438
Adjusted Value $406,943

Adjusted +$42,073 for 157 sqft more living space and +$5,432 for being newer. Net adjustment: +$47,505.

The Neighborhood

This home is valued 17.9% 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
$370,908
Median
$451,534

This home is -17.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,674 across all districts. With a homestead exemption claimed, that drops to $5,355 — saving $1,319 per year. That's $446 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%$3,313
Round RockCity0.3720%$1,380
Williamson CountyCounty0.3694%$1,370
Austin Community Collegespecial0.1034%$384
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,674

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $384,341 would pay approximately $2,399 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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