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231 ADELFA DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,384 sqftBuilt 1999

Property at a Glance

This home is estimated between $454,218 and $841,725, with a best estimate of $712,771. That places the property above the R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B median of $400,408, in a neighborhood that declined 3.0% over the past year.

Estimated Value Range

$454,218 $841,725
Best Estimate
$712,771
WCAD Value
$384,131
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B. The estimated range of $454,218 and $841,725 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,155 sqft Built 2011
Raw Value $308,865
Adjusted Value $454,218

Adjusted +$227,774 for 1,229 sqft more living space and -$82,421 for being older. Net adjustment: +$145,353.

3 bed 2 bath 2,165 sqft Built 2019
Raw Value $884,566
Adjusted Value $787,786

Adjusted +$40,588 for 219 sqft more living space and -$137,368 for being older. Net adjustment: -$96,780.

3 bed 2 bath 1,626 sqft Built 1982
Raw Value $283,003
Adjusted Value $540,248

Adjusted +$140,482 for 758 sqft more living space and +$116,763 for being newer. Net adjustment: +$257,245.

3 bed 2 bath 2,224 sqft Built 1960
Raw Value $544,204
Adjusted Value $841,725

Adjusted +$29,653 for 160 sqft more living space and +$267,868 for being newer. Net adjustment: +$297,521.

3 bed 2 bath 1,473 sqft Built 1983
Raw Value $434,038
Adjusted Value $712,771

Adjusted +$168,838 for 911 sqft more living space and +$109,895 for being newer. Net adjustment: +$278,733.

The Neighborhood

This home is valued 4.1% below the R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B median of $400,408. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.0% over the past year.

R651598E - MORNINGSIDE MEADOWS SEC 1&7, K & B

typical
270 Properties
$400,408 Median Value
-3.0% YoY Change
3% Have Pool
99% Have Garage
This Home
$384,131
Median
$400,408

This home is -4.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,866 across all districts. With a homestead exemption claimed, that drops to $4,545 — saving $1,321 per year. That's $379 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%$3,431
Williamson CountyCounty0.3694%$1,419
Austin Community Collegespecial0.1034%$397
Williamson County ESD #9 - Round RockESD0.0999%$384
Williamson County FM/RdCounty0.0443%$170
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$5,866

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $712,771 would pay approximately $4,449 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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