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803 GREENWICH PL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,833 sqftBuilt 1983

Property at a Glance

This home is estimated between $347,602 and $421,946, with a best estimate of $402,834. That places the property above the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111, in a neighborhood that declined 9.7% over the past year.

Estimated Value Range

$347,602 $421,946
Best Estimate
$402,834
WCAD Value
$349,927
High Confidence

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

Based on 5 comparable properties in R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER, this home's estimated market value is between $347,602 and $421,946. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

706 WESTMINSTER PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,324 sqft Built 1982
Raw Value $315,082
Adjusted Value $421,946

Adjusted +$106,936 for 509 sqft more living space and -$72 for being older. Net adjustment: +$106,864.

605 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,370 sqft Built 1982
Raw Value $323,082
Adjusted Value $420,282

Adjusted +$97,272 for 463 sqft more living space and -$72 for being older. Net adjustment: +$97,200.

606 WESTMINSTER PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,407 sqft Built 1983
Raw Value $313,335
Adjusted Value $402,834

Adjusted +$89,499 for 426 sqft more living space. Net adjustment: +$89,499.

500 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,524 sqft Built 1981
Raw Value $282,828
Adjusted Value $347,602

Adjusted +$64,918 for 309 sqft more living space and -$144 for being older. Net adjustment: +$64,774.

701 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,310 sqft Built 1983
Raw Value $266,838
Adjusted Value $376,716

Adjusted +$109,878 for 523 sqft more living space. Net adjustment: +$109,878.

The Neighborhood

This home is valued 12.1% above the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111. With 459 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.7% over the past year.

R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER

typical
459 Properties
$312,111 Median Value
-9.7% YoY Change
2% Have Pool
94% Have Garage
This Home
$349,927
Median
$312,111

This home is +12.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,296 across all districts. With a homestead exemption claimed, that drops to $4,981 — saving $1,315 per year. That's $415 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%$3,125
Round RockCity0.3720%$1,302
Williamson CountyCounty0.3694%$1,293
Austin Community Collegespecial0.1034%$362
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,296

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $402,834 would pay approximately $2,514 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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