Beta Williamson County, TX only — data and coverage are limited during early access.

3145 JAZZ ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,008 sqftBuilt 1997

Property at a Glance

This home is estimated between $172,491 and $246,863, with a best estimate of $209,313. That places the property below the R630597G - Remington Heights Ph 1 Sec A, B median of $312,112, in a neighborhood that declined 10.5% over the past year.

Estimated Value Range

$172,491 $246,863
Best Estimate
$209,313
WCAD Value
$320,860
High Confidence

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

Based on 5 comparable properties in R630597G - Remington Heights Ph 1 Sec A, B, this home's estimated market value is between $172,491 and $246,863. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3143 JAZZ ST, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,434 sqft Built 1997
Raw Value $299,589
Adjusted Value $206,943

Adjusted -$92,646 for 426 sqft less living space. Net adjustment: -$92,646.

3147 JAZZ ST, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,425 sqft Built 1998
Raw Value $299,946
Adjusted Value $209,313

Adjusted -$90,689 for 417 sqft less living space and +$56 for being newer. Net adjustment: -$90,633.

3149 JAZZ ST, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,293 sqft Built 1998
Raw Value $308,788
Adjusted Value $246,863

Adjusted -$61,981 for 285 sqft less living space and +$56 for being newer. Net adjustment: -$61,925.

1900 BREAUX LN, ROUND ROCK, TX 78664
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,413 sqft Built 1998
Raw Value $313,136
Adjusted Value $225,113

Adjusted -$88,079 for 405 sqft less living space and +$56 for being newer. Net adjustment: -$88,023.

3151 JAZZ ST, ROUND ROCK, TX 78664
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,650 sqft Built 1997
Raw Value $312,112
Adjusted Value $172,491

Adjusted -$139,621 for 642 sqft less living space. Net adjustment: -$139,621.

The Neighborhood

This home is valued 2.8% above the R630597G - Remington Heights Ph 1 Sec A, B median of $312,112. With 191 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 10.5% over the past year.

R630597G - Remington Heights Ph 1 Sec A, B

typical
191 Properties
$312,112 Median Value
-10.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$320,860
Median
$312,112

This home is +2.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,773 across all districts. With a homestead exemption claimed, that drops to $4,464 — saving $1,309 per year. That's $372 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%$2,866
Round RockCity0.3720%$1,194
Williamson CountyCounty0.3694%$1,185
Austin Community Collegespecial0.1034%$332
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,773

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $209,313 would pay approximately $1,307 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.

View full property details