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3429 SHIRAZ LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,097 sqftBuilt 2007

Property at a Glance

This home is estimated between $194,271 and $452,597, with a best estimate of $407,756. 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

$194,271 $452,597
Best Estimate
$407,756
WCAD Value
$463,572
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 $194,271 and $452,597. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3506 SHIRAZ LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,355 sqft Built 2006
Raw Value $444,649
Adjusted Value $380,942

Adjusted -$69,139 for 258 sqft less living space and +$5,432 for being newer. Net adjustment: -$63,707.

3410 SHIRAZ LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,170 sqft Built 2007
Raw Value $447,811
Adjusted Value $428,248

Adjusted -$19,563 for 73 sqft less living space. Net adjustment: -$19,563.

3425 SHIRAZ LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,279 sqft Built 2006
Raw Value $495,938
Adjusted Value $452,597

Adjusted -$48,773 for 182 sqft less living space and +$5,432 for being newer. Net adjustment: -$43,341.

3504 SHIRAZ LOOP, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,029 sqft Built 2007
Raw Value $389,533
Adjusted Value $407,756

Adjusted +$18,223 for 68 sqft more living space. Net adjustment: +$18,223.

3406 SHIRAZ LOOP, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,767 sqft Built 2006
Raw Value $368,387
Adjusted Value $194,271

Adjusted -$179,548 for 670 sqft less living space and +$5,432 for being newer. Net adjustment: -$174,116.

The Neighborhood

This home is valued 2.7% above the R530506E - SONOMA ALL SECTIONS median of $451,534. With 1,029 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.0% over the past year.

R530506E - SONOMA ALL SECTIONS

typical
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$463,572
Median
$451,534

This home is +2.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,341 across all districts. With a homestead exemption claimed, that drops to $7,005 — saving $1,336 per year. That's $584 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%$4,140
Round RockCity0.3720%$1,724
Williamson CountyCounty0.3694%$1,713
Austin Community Collegespecial0.1034%$479
Williamson County FM/RdCounty0.0443%$205
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,341

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $407,756 would pay approximately $2,545 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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