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2427 SPARROW DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,572 sqftBuilt 1993

Property at a Glance

This home is estimated between $265,688 and $637,337, with a best estimate of $574,074. That places the property above the R280589F - Oakcreek Sec 1,2, and (AMD's) median of $502,867, in a neighborhood that declined 8.9% over the past year.

Estimated Value Range

$265,688 $637,337
Best Estimate
$574,074
WCAD Value
$535,755
High Confidence

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

Based on 5 comparable properties in R280589F - Oakcreek Sec 1,2, and (AMD's), this home's estimated market value is between $265,688 and $637,337. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2409 SPARROW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,348 sqft Built 1990
Raw Value $493,054
Adjusted Value $574,074

Adjusted +$74,694 for 224 sqft more living space and +$6,326 for being newer. Net adjustment: +$81,020.

2425 SPARROW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,293 sqft Built 1993
Raw Value $544,303
Adjusted Value $637,337

Adjusted +$93,034 for 279 sqft more living space. Net adjustment: +$93,034.

2410 SPARROW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,275 sqft Built 1991
Raw Value $493,836
Adjusted Value $597,089

Adjusted +$99,036 for 297 sqft more living space and +$4,217 for being newer. Net adjustment: +$103,253.

2403 SPARROW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,844 sqft Built 1992
Raw Value $391,184
Adjusted Value $302,593

Adjusted -$90,700 for 272 sqft less living space and +$2,109 for being newer. Net adjustment: -$88,591.

2414 SPARROW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,067 sqft Built 1989
Raw Value $422,314
Adjusted Value $265,688

Adjusted -$165,060 for 495 sqft less living space and +$8,434 for being newer. Net adjustment: -$156,626.

The Neighborhood

This home is valued 6.5% above the R280589F - Oakcreek Sec 1,2, and (AMD's) median of $502,867. With 787 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.9% over the past year.

R280589F - Oakcreek Sec 1,2, and (AMD's)

typical
787 Properties
$502,867 Median Value
-8.9% YoY Change
2% Have Pool
99% Have Garage
This Home
$535,755
Median
$502,867

This home is +6.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,640 across all districts. With a homestead exemption claimed, that drops to $8,290 — saving $1,350 per year. That's $691 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%$4,785
Round RockCity0.3720%$1,993
Williamson CountyCounty0.3694%$1,979
Austin Community Collegespecial0.1034%$554
Williamson County FM/RdCounty0.0443%$237
Upper Brushy Creek WCIDWater0.0170%$91
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,640

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $574,074 would pay approximately $3,583 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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