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1021 GREENBRIAR LOOP, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath864 sqftBuilt 1984

Property at a Glance

This home is estimated between $120,582 and $340,055, with a best estimate of $238,988. That places the property below the R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE median of $265,799, in a neighborhood that declined 10.6% over the past year.

Estimated Value Range

$120,582 $340,055
Best Estimate
$238,988
WCAD Value
$224,775
High Confidence

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

Based on 5 comparable properties in R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE, this home's estimated market value is between $120,582 and $340,055. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1405 CLEARVIEW LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,440 sqft Built 1986
Raw Value $253,944
Adjusted Value $120,582

Adjusted -$132,665 for 576 sqft less living space and -$697 for being older. Net adjustment: -$133,362.

1418 CLEARVIEW LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 663 sqft Built 1994
Raw Value $297,243
Adjusted Value $340,055

Adjusted +$46,295 for 201 sqft more living space and -$3,483 for being older. Net adjustment: +$42,812.

1225 GREENBRIAR LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 864 sqft Built 1984
Raw Value $238,988
Adjusted Value $238,988

This comparable closely matches the subject property's features.

1414 CLEARVIEW LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 945 sqft Built 1994
Raw Value $305,082
Adjusted Value $282,943

Adjusted -$18,656 for 81 sqft less living space and -$3,483 for being older. Net adjustment: -$22,139.

1017 GREENBRIAR LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,232 sqft Built 1984
Raw Value $261,015
Adjusted Value $176,257

Adjusted -$84,758 for 368 sqft less living space. Net adjustment: -$84,758.

The Neighborhood

This home is valued 15.4% below the R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE median of $265,799. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.6% over the past year.

R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE

below average
1,079 Properties
$265,799 Median Value
-10.6% YoY Change
2% Have Pool
90% Have Garage
This Home
$224,775
Median
$265,799

This home is -15.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,044 across all districts. With a homestead exemption claimed, that drops to $2,752 — saving $1,292 per year. That's $229 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%$2,007
Round RockCity0.3720%$836
Williamson CountyCounty0.3694%$830
Austin Community Collegespecial0.1034%$232
Williamson County FM/RdCounty0.0443%$100
Upper Brushy Creek WCIDWater0.0170%$38
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,044

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $238,988 would pay approximately $1,492 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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