Beta Williamson County, TX only — data and coverage are limited during early access.

1109 GREEN DOWNS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath997 sqftBuilt 1980

Property at a Glance

This home is estimated between $189,074 and $275,856, with a best estimate of $239,115. 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

$189,074 $275,856
Best Estimate
$239,115
WCAD Value
$260,321
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 $189,074 and $275,856. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1302 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
2 bed 1 bath 1,008 sqft Built 1980
Raw Value $240,410
Adjusted Value $237,876

Adjusted -$2,534 for 11 sqft less living space. Net adjustment: -$2,534.

1107 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
2 bed 1 bath 1,008 sqft Built 1980
Raw Value $278,390
Adjusted Value $275,856

Adjusted -$2,534 for 11 sqft less living space. Net adjustment: -$2,534.

1102 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
3 bed 1 bath 1,190 sqft Built 1981
Raw Value $233,874
Adjusted Value $189,074

Adjusted -$44,452 for 193 sqft less living space and -$348 for being older. Net adjustment: -$44,800.

1101 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
2 bed 1 bath 984 sqft Built 1982
Raw Value $236,818
Adjusted Value $239,115

Adjusted +$2,994 for 13 sqft more living space and -$697 for being older. Net adjustment: +$2,297.

1202 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
2 bed 1 bath 896 sqft Built 1980
Raw Value $244,909
Adjusted Value $268,172

Adjusted +$23,263 for 101 sqft more living space. Net adjustment: +$23,263.

The Neighborhood

This home is valued 2.1% 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
$260,321
Median
$265,799

This home is -2.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,684 across all districts. With a homestead exemption claimed, that drops to $3,385 — saving $1,299 per year. That's $282 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%$2,325
Round RockCity0.3720%$968
Williamson CountyCounty0.3694%$962
Austin Community Collegespecial0.1034%$269
Williamson County FM/RdCounty0.0443%$115
Upper Brushy Creek WCIDWater0.0170%$44
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,684

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $239,115 would pay approximately $1,493 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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