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3335 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,960 sqftBuilt 2004

Property at a Glance

This home is estimated between $299,130 and $479,201, with a best estimate of $419,940. 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

$299,130 $479,201
Best Estimate
$419,940
WCAD Value
$379,691
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 $299,130 and $479,201. 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 $419,940

Adjusted +$49,309 for 184 sqft more living space. Net adjustment: +$49,309.

3304 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,349 sqft Built 2003
Raw Value $397,943
Adjusted Value $299,130

Adjusted -$104,245 for 389 sqft less living space and +$5,432 for being newer. Net adjustment: -$98,813.

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 $479,201

Adjusted +$129,167 for 482 sqft more living space and +$5,432 for being newer. Net adjustment: +$134,599.

3343 ALEXANDER VALLEY CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,806 sqft Built 2004
Raw Value $370,908
Adjusted Value $412,177

Adjusted +$41,269 for 154 sqft more living space. Net adjustment: +$41,269.

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 $425,610

Adjusted +$51,452 for 192 sqft more living space and +$5,432 for being newer. Net adjustment: +$56,884.

The Neighborhood

This home is valued 15.9% 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
$379,691
Median
$451,534

This home is -15.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,832 across all districts. With a homestead exemption claimed, that drops to $5,511 — saving $1,321 per year. That's $459 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%$3,391
Round RockCity0.3720%$1,412
Williamson CountyCounty0.3694%$1,403
Austin Community Collegespecial0.1034%$393
Williamson County FM/RdCounty0.0443%$168
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,832

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $419,940 would pay approximately $2,621 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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