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1012 TWIN TERRACE CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,242 sqftBuilt 1999

Property at a Glance

This home is estimated between $383,650 and $525,512, with a best estimate of $411,240. That places the property below the R501598E - Forest Ridge, Small Lots median of $533,875, in a neighborhood that appreciated 4.6% over the past year.

Estimated Value Range

$383,650 $525,512
Best Estimate
$411,240
WCAD Value
$489,202
High Confidence

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

Based on 5 comparable properties in R501598E - Forest Ridge, Small Lots, this home's estimated market value is between $383,650 and $525,512. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1022 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,629 sqft Built 1999
Raw Value $651,984
Adjusted Value $525,512

Adjusted -$126,472 for 387 sqft less living space. Net adjustment: -$126,472.

1019 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,713 sqft Built 1999
Raw Value $537,573
Adjusted Value $383,650

Adjusted -$153,923 for 471 sqft less living space. Net adjustment: -$153,923.

1017 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,657 sqft Built 1999
Raw Value $541,510
Adjusted Value $405,887

Adjusted -$135,623 for 415 sqft less living space. Net adjustment: -$135,623.

1020 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,644 sqft Built 1999
Raw Value $542,614
Adjusted Value $411,240

Adjusted -$131,374 for 402 sqft less living space. Net adjustment: -$131,374.

1003 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,576 sqft Built 1999
Raw Value $548,110
Adjusted Value $438,958

Adjusted -$109,152 for 334 sqft less living space. Net adjustment: -$109,152.

The Neighborhood

This home is valued 8.4% below the R501598E - Forest Ridge, Small Lots median of $533,875. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 4.6% over the past year.

R501598E - Forest Ridge, Small Lots

typical
269 Properties
$533,875 Median Value
+4.6% YoY Change
0% Have Pool
99% Have Garage
This Home
$489,202
Median
$533,875

This home is -8.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,802 across all districts. With a homestead exemption claimed, that drops to $7,461 — saving $1,341 per year. That's $622 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%$4,369
Round RockCity0.3720%$1,820
Williamson CountyCounty0.3694%$1,807
Austin Community Collegespecial0.1034%$506
Williamson County FM/RdCounty0.0443%$217
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,802

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $411,240 would pay approximately $2,567 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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