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

1011 PLACID CREEK CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,554 sqftBuilt 2002

Property at a Glance

This home is estimated between $411,977 and $741,027, with a best estimate of $663,729. That places the property above the R417506E - TERAVISTA R4 median of $430,980, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$411,977 $741,027
Best Estimate
$663,729
WCAD Value
$495,177
High Confidence

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

Based on 5 comparable properties in R417506E - TERAVISTA R4, this home's estimated market value is between $411,977 and $741,027. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1002 PLACID CREEK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,260 sqft Built 2006
Raw Value $590,360
Adjusted Value $663,729

Adjusted +$70,093 for 294 sqft more living space and +$3,276 for being newer. Net adjustment: +$73,369.

1001 PLACID CREEK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,673 sqft Built 2006
Raw Value $437,072
Adjusted Value $411,977

Adjusted -$28,371 for 119 sqft less living space and +$3,276 for being newer. Net adjustment: -$25,095.

1012 PLACID CREEK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2,574 sqft Built 2003
Raw Value $559,446
Adjusted Value $555,497

Adjusted -$4,768 for 20 sqft less living space and +$819 for being newer. Net adjustment: -$3,949.

1008 PLACID CREEK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,812 sqft Built 2006
Raw Value $560,849
Adjusted Value $741,027

Adjusted +$176,902 for 742 sqft more living space and +$3,276 for being newer. Net adjustment: +$180,178.

1006 PLACID CREEK CT, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
4 bed 2 bath 1,613 sqft Built 2002
Raw Value $462,291
Adjusted Value $686,637

Adjusted +$224,346 for 941 sqft more living space. Net adjustment: +$224,346.

The Neighborhood

This home is valued 14.9% above the R417506E - TERAVISTA R4 median of $430,980. With 1,632 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.6% over the past year.

R417506E - TERAVISTA R4

typical
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$495,177
Median
$430,980

This home is +14.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,481 across all districts. With a homestead exemption claimed, that drops to $8,139 — saving $1,342 per year. That's $678 per month a buyer should budget. The assessed value increased +3.1% vs the subdivision average of -4.6%. This above-average increase gives a protest opportunity score of 39 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,422
Williamson County MUD #10MUD0.3875%$1,919
Williamson CountyCounty0.3694%$1,829
Austin Community Collegespecial0.1034%$512
Williamson County ESD #9 - Round RockESD0.0999%$495
Williamson County FM/RdCounty0.0443%$220
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$9,481
39 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $663,729 would pay approximately $4,143 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.

View full property details