509 WINDSOR RD, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $208,955 and $243,137, with a best estimate of $235,806. That places the property below 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
$235,806
$324,966
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 $208,955 and $243,137. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$90,759 for 432 sqft less living space and +$72 for being newer. Net adjustment: -$90,687.
Adjusted -$52,943 for 252 sqft less living space and +$72 for being newer. Net adjustment: -$52,871.
Adjusted -$59,876 for 285 sqft less living space. Net adjustment: -$59,876.
Adjusted -$70,170 for 334 sqft less living space and +$72 for being newer. Net adjustment: -$70,098.
Adjusted -$93,911 for 447 sqft less living space and +$72 for being newer. Net adjustment: -$93,839.
The Neighborhood
This home is valued 4.1% 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
typicalThis home is +4.1% above the subdivision median.
Tax Analysis
The estimated annual property tax is $5,847 across all districts. With a homestead exemption claimed, that drops to $4,537 — saving $1,310 per year. That's $378 per month a buyer should budget. The assessed value increased +1.2% vs the subdivision average of -9.7%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,902 |
| Round Rock | City | 0.3720% | $1,209 |
| Williamson County | County | 0.3694% | $1,201 |
| Austin Community College | special | 0.1034% | $336 |
| Williamson County FM/Rd | County | 0.0443% | $144 |
| Upper Brushy Creek WCID | Water | 0.0170% | $55 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,847 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $235,806 would pay approximately $1,472 per month (principal and interest only, excluding taxes and insurance).