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

4207 PLACID CREEK WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,766 sqftBuilt 2003

Property at a Glance

This home is estimated between $251,378 and $557,818, with a best estimate of $454,638. 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

$251,378 $557,818
Best Estimate
$454,638
WCAD Value
$549,899
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 $251,378 and $557,818. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4209 PLACID CREEK WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,496 sqft Built 2003
Raw Value $435,642
Adjusted Value $261,601

Adjusted -$174,041 for 730 sqft less living space. Net adjustment: -$174,041.

4203 PLACID CREEK WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,026 sqft Built 2006
Raw Value $547,251
Adjusted Value $487,721

Adjusted -$61,987 for 260 sqft less living space and +$2,457 for being newer. Net adjustment: -$59,530.

4116 PLACID CREEK WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,566 sqft Built 2004
Raw Value $441,289
Adjusted Value $251,378

Adjusted -$190,730 for 800 sqft less living space and +$819 for being newer. Net adjustment: -$189,911.

4202 PLACID CREEK WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,893 sqft Built 2004
Raw Value $484,097
Adjusted Value $454,638

Adjusted -$30,278 for 127 sqft less living space and +$819 for being newer. Net adjustment: -$29,459.

4205 PLACID CREEK WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,229 sqft Built 2002
Raw Value $430,609
Adjusted Value $557,818

Adjusted +$128,028 for 537 sqft more living space and -$819 for being older. Net adjustment: +$127,209.

The Neighborhood

This home is valued 27.6% 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

above average
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$549,899
Median
$430,980

This home is +27.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,529 across all districts. With a homestead exemption claimed, that drops to $9,177 — saving $1,352 per year. That's $765 per month a buyer should budget. The assessed value increased +3.7% vs the subdivision average of -4.6%. This above-average increase gives a protest opportunity score of 42 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,911
Williamson County MUD #10MUD0.3875%$2,131
Williamson CountyCounty0.3694%$2,032
Austin Community Collegespecial0.1034%$569
Williamson County ESD #9 - Round RockESD0.0999%$549
Williamson County FM/RdCounty0.0443%$244
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$10,529
42 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $454,638 would pay approximately $2,838 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 4/19/2026.

View full property details