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4206 FLAT STONE CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,816 sqftBuilt 2004

Property at a Glance

This home is estimated between $277,005 and $385,562, with a best estimate of $350,331. That places the property below the R417506E - TERAVISTA R4 median of $430,980, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$277,005 $385,562
Best Estimate
$350,331
WCAD Value
$362,306
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 $277,005 and $385,562. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4201 FLAT STONE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,902 sqft Built 2005
Raw Value $370,015
Adjusted Value $350,331

Adjusted -$20,503 for 86 sqft less living space and +$819 for being newer. Net adjustment: -$19,684.

4209 FLAT STONE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,848 sqft Built 2004
Raw Value $369,063
Adjusted Value $361,434

Adjusted -$7,629 for 32 sqft less living space. Net adjustment: -$7,629.

4210 FLAT STONE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,650 sqft Built 2004
Raw Value $345,986
Adjusted Value $385,562

Adjusted +$39,576 for 166 sqft more living space. Net adjustment: +$39,576.

4207 FLAT STONE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,320 sqft Built 2004
Raw Value $397,165
Adjusted Value $277,005

Adjusted -$120,160 for 504 sqft less living space. Net adjustment: -$120,160.

1102 STONE SLOPE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,105 sqft Built 2002
Raw Value $365,544
Adjusted Value $295,005

Adjusted -$68,901 for 289 sqft less living space and -$1,638 for being older. Net adjustment: -$70,539.

The Neighborhood

This home is valued 15.9% below the R417506E - TERAVISTA R4 median of $430,980. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

R417506E - TERAVISTA R4

below average
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$362,306
Median
$430,980

This home is -15.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,937 across all districts. With a homestead exemption claimed, that drops to $5,620 — saving $1,317 per year. That's $468 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%$3,236
Williamson County MUD #10MUD0.3875%$1,404
Williamson CountyCounty0.3694%$1,339
Austin Community Collegespecial0.1034%$375
Williamson County ESD #9 - Round RockESD0.0999%$362
Williamson County FM/RdCounty0.0443%$161
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$6,937

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $350,331 would pay approximately $2,187 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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