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8303 SUNBURST PKWY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,340 sqftBuilt 2000

Property at a Glance

This home is estimated between $469,643 and $901,128, with a best estimate of $849,492. That places the property above the R292598D - Stone Canyon - Weekley & Newmark median of $523,036, in a neighborhood that declined 5.2% over the past year.

Estimated Value Range

$469,643 $901,128
Best Estimate
$849,492
WCAD Value
$777,120
High Confidence

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

Based on 5 comparable properties in R292598D - Stone Canyon - Weekley & Newmark, this home's estimated market value is between $469,643 and $901,128. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

9024 MOUNTAIN MIST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,378 sqft Built 2001
Raw Value $550,938
Adjusted Value $870,810

Adjusted +$320,967 for 962 sqft more living space and -$1,095 for being older. Net adjustment: +$319,872.

8310 SUNBURST PKWY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,047 sqft Built 2000
Raw Value $746,419
Adjusted Value $844,177

Adjusted +$97,758 for 293 sqft more living space. Net adjustment: +$97,758.

17417 MONTANA FALLS DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,356 sqft Built 2000
Raw Value $521,185
Adjusted Value $849,492

Adjusted +$328,307 for 984 sqft more living space. Net adjustment: +$328,307.

7105 MAGIC MOUNTAIN LN W, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,356 sqft Built 2000
Raw Value $474,981
Adjusted Value $469,643

Adjusted -$5,338 for 16 sqft less living space. Net adjustment: -$5,338.

8308 SUNBURST PKWY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,881 sqft Built 2001
Raw Value $749,080
Adjusted Value $901,128

Adjusted +$153,143 for 459 sqft more living space and -$1,095 for being older. Net adjustment: +$152,048.

The Neighborhood

This home is valued 48.6% above the R292598D - Stone Canyon - Weekley & Newmark median of $523,036. With 952 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.2% over the past year.

R292598D - Stone Canyon - Weekley & Newmark

above average
952 Properties
$523,036 Median Value
-5.2% YoY Change
1% Have Pool
99% Have Garage
This Home
$777,120
Median
$523,036

This home is +48.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,268 across all districts. With a homestead exemption claimed, that drops to $11,874 — saving $1,394 per year. That's $990 per month a buyer should budget. The assessed value increased +6.8% vs the subdivision average of -5.2%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,940
Williamson CountyCounty0.3694%$2,871
Fern Bluff MUDMUD0.1800%$1,399
Austin Community Collegespecial0.1034%$804
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$777
Williamson County FM/RdCounty0.0443%$344
Upper Brushy Creek WCIDWater0.0170%$132
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7073%$13,268
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $849,492 would pay approximately $5,303 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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