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

3316 STARLIGHT VISTA, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,853 sqftBuilt 1999

Property at a Glance

This home is estimated between $334,795 and $617,781, with a best estimate of $558,787. That places the property above the R501598E - Forest Ridge, Small Lots median of $533,875, in a neighborhood that appreciated 4.6% over the past year.

Estimated Value Range

$334,795 $617,781
Best Estimate
$558,787
WCAD Value
$522,255
High Confidence

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

Based on 5 comparable properties in R501598E - Forest Ridge, Small Lots, this home's estimated market value is between $334,795 and $617,781. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3311 STARLIGHT VISTA, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,913 sqft Built 1996
Raw Value $578,557
Adjusted Value $558,787

Adjusted -$19,608 for 60 sqft less living space and -$162 for being older. Net adjustment: -$19,770.

3313 STARLIGHT VISTA, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,669 sqft Built 1999
Raw Value $557,650
Adjusted Value $617,781

Adjusted +$60,131 for 184 sqft more living space. Net adjustment: +$60,131.

3305 STARLIGHT VISTA, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,687 sqft Built 1998
Raw Value $541,706
Adjusted Value $595,901

Adjusted +$54,249 for 166 sqft more living space and -$54 for being older. Net adjustment: +$54,195.

3317 STARLIGHT VISTA, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,310 sqft Built 1999
Raw Value $484,143
Adjusted Value $334,795

Adjusted -$149,348 for 457 sqft less living space. Net adjustment: -$149,348.

3205 STARLIGHT VISTA, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,084 sqft Built 1998
Raw Value $467,025
Adjusted Value $391,480

Adjusted -$75,491 for 231 sqft less living space and -$54 for being older. Net adjustment: -$75,545.

The Neighborhood

This home is valued 2.2% below the R501598E - Forest Ridge, Small Lots median of $533,875. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 4.6% over the past year.

R501598E - Forest Ridge, Small Lots

typical
269 Properties
$533,875 Median Value
+4.6% YoY Change
0% Have Pool
99% Have Garage
This Home
$522,255
Median
$533,875

This home is -2.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,397 across all districts. With a homestead exemption claimed, that drops to $8,050 — saving $1,347 per year. That's $671 per month a buyer should budget. The assessed value increased +9.3% vs the subdivision average of +4.6%. This above-average increase gives a protest opportunity score of 39 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,664
Round RockCity0.3720%$1,943
Williamson CountyCounty0.3694%$1,929
Austin Community Collegespecial0.1034%$540
Williamson County FM/RdCounty0.0443%$232
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,397
39 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $558,787 would pay approximately $3,488 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