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1209 GREENBRIAR LOOP, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,184 sqftBuilt 1984

Property at a Glance

This home is estimated between $209,928 and $346,430, with a best estimate of $260,212. 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

$209,928 $346,430
Best Estimate
$260,212
WCAD Value
$243,086
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE. The estimated range of $209,928 and $346,430 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,279 sqft Built 1979
Raw Value $269,586
Adjusted Value $249,446

Adjusted -$21,881 for 95 sqft less living space and +$1,741 for being newer. Net adjustment: -$20,140.

1509 PARKSIDE CV, ROUND ROCK, TX 78664
0.17 mi 100% similar Same subdivision
3 bed 2 bath 1,200 sqft Built 1983
Raw Value $263,549
Adjusted Value $260,212

Adjusted -$3,685 for 16 sqft less living space and +$348 for being newer. Net adjustment: -$3,337.

3 bed 2 bath 1,107 sqft Built 1978
Raw Value $285,489
Adjusted Value $305,314

Adjusted +$17,735 for 77 sqft more living space and +$2,090 for being newer. Net adjustment: +$19,825.

3 bed 2 bath 1,159 sqft Built 2002
Raw Value $346,941
Adjusted Value $346,430

Adjusted +$5,758 for 25 sqft more living space and -$6,269 for being older. Net adjustment: -$511.

3 bed 2 bath 1,497 sqft Built 1982
Raw Value $281,322
Adjusted Value $209,928

Adjusted -$72,091 for 313 sqft less living space and +$697 for being newer. Net adjustment: -$71,394.

The Neighborhood

This home is valued 8.5% 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

typical
1,079 Properties
$265,799 Median Value
-10.6% YoY Change
2% Have Pool
90% Have Garage
This Home
$243,086
Median
$265,799

This home is -8.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,374 across all districts. With a homestead exemption claimed, that drops to $3,079 — saving $1,295 per year. That's $257 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%$2,171
Round RockCity0.3720%$904
Williamson CountyCounty0.3694%$898
Austin Community Collegespecial0.1034%$251
Williamson County FM/RdCounty0.0443%$108
Upper Brushy Creek WCIDWater0.0170%$41
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,374

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $260,212 would pay approximately $1,624 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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