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

1006 GREEN DOWNS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath880 sqftBuilt 1981

Property at a Glance

This home is estimated between $130,580 and $241,572, with a best estimate of $165,337. 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

$130,580 $241,572
Best Estimate
$165,337
WCAD Value
$223,243
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 $130,580 and $241,572. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1303 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,112 sqft Built 1980
Raw Value $218,424
Adjusted Value $165,337

Adjusted -$53,435 for 232 sqft less living space and +$348 for being newer. Net adjustment: -$53,087.

1102 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,190 sqft Built 1981
Raw Value $233,874
Adjusted Value $162,474

Adjusted -$71,400 for 310 sqft less living space. Net adjustment: -$71,400.

1004 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,166 sqft Built 1982
Raw Value $255,252
Adjusted Value $189,032

Adjusted -$65,872 for 286 sqft less living space and -$348 for being older. Net adjustment: -$66,220.

1202 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 896 sqft Built 1980
Raw Value $244,909
Adjusted Value $241,572

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

1402 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,386 sqft Built 1980
Raw Value $246,775
Adjusted Value $130,580

Adjusted -$116,543 for 506 sqft less living space and +$348 for being newer. Net adjustment: -$116,195.

The Neighborhood

This home is valued 16.0% 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
$223,243
Median
$265,799

This home is -16.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,017 across all districts. With a homestead exemption claimed, that drops to $2,725 — saving $1,292 per year. That's $227 per month a buyer should budget. The assessed value increased -4.5% vs the subdivision average of -10.6%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$1,994
Round RockCity0.3720%$830
Williamson CountyCounty0.3694%$825
Austin Community Collegespecial0.1034%$231
Williamson County FM/RdCounty0.0443%$99
Upper Brushy Creek WCIDWater0.0170%$38
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,017
31 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $165,337 would pay approximately $1,032 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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