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3915 ORION ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,888 sqftBuilt 1996

Property at a Glance

This home is estimated between $323,600 and $504,021, with a best estimate of $334,391. That places the property above the R407595G - Vista Heights & Indian Ridge median of $325,945, in a neighborhood that declined 9.5% over the past year.

Estimated Value Range

$323,600 $504,021
Best Estimate
$334,391
WCAD Value
$323,676
High Confidence

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

Based on 5 comparable properties in R407595G - Vista Heights & Indian Ridge, this home's estimated market value is between $323,600 and $504,021. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3917 ORION ST, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,762 sqft Built 1998
Raw Value $313,340
Adjusted Value $334,391

Adjusted +$23,865 for 126 sqft more living space and -$2,814 for being older. Net adjustment: +$21,051.

3913 ORION ST, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,546 sqft Built 1996
Raw Value $292,509
Adjusted Value $357,286

Adjusted +$64,777 for 342 sqft more living space. Net adjustment: +$64,777.

1401 QUICKSILVER CIR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,827 sqft Built 1996
Raw Value $315,556
Adjusted Value $327,110

Adjusted +$11,554 for 61 sqft more living space. Net adjustment: +$11,554.

1403 QUICKSILVER ST, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,840 sqft Built 1998
Raw Value $317,323
Adjusted Value $323,600

Adjusted +$9,091 for 48 sqft more living space and -$2,814 for being older. Net adjustment: +$6,277.

1403 QUICKSILVER CIR, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,108 sqft Built 1996
Raw Value $356,284
Adjusted Value $504,021

Adjusted +$147,737 for 780 sqft more living space. Net adjustment: +$147,737.

The Neighborhood

This home is in line with the R407595G - Vista Heights & Indian Ridge median of $325,945. Note that values in this subdivision declined 9.5% over the past year.

R407595G - Vista Heights & Indian Ridge

typical
261 Properties
$325,945 Median Value
-9.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$323,676
Median
$325,945

This home is -0.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,824 across all districts. With a homestead exemption claimed, that drops to $4,514 — saving $1,310 per year. That's $376 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%$2,891
Round RockCity0.3720%$1,204
Williamson CountyCounty0.3694%$1,196
Austin Community Collegespecial0.1034%$335
Williamson County FM/RdCounty0.0443%$143
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,824

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $334,391 would pay approximately $2,087 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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