820 WINNSBORO DR, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $365,987 and $438,274, with a best estimate of $421,811. That places the property below the R631414D - WARNER RANCH median of $436,007, in a neighborhood that declined 3.2% over the past year.
Estimated Value Range
$421,811
$419,484
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R631414D - WARNER RANCH, this home's estimated market value is between $365,987 and $438,274. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$45,664 for 190 sqft less living space. Net adjustment: -$45,664.
Adjusted +$7,931 for 33 sqft more living space and +$10,112 for being newer. Net adjustment: +$18,043.
Adjusted -$1,442 for 6 sqft less living space and +$10,112 for being newer. Net adjustment: +$8,670.
Adjusted +$8,412 for 35 sqft more living space. Net adjustment: +$8,412.
Adjusted -$75,946 for 316 sqft less living space and +$10,112 for being newer. Net adjustment: -$65,834.
The Neighborhood
This home is valued 3.8% below the R631414D - WARNER RANCH median of $436,007. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.2% over the past year.
R631414D - WARNER RANCH
typicalThis home is -3.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,548 across all districts. With a homestead exemption claimed, that drops to $6,220 — saving $1,328 per year. That's $518 per month a buyer should budget. The assessed value increased +6.1% vs the subdivision average of -3.2%. This above-average increase gives a protest opportunity score of 52 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $3,746 |
| Round Rock | City | 0.3720% | $1,560 |
| Williamson County | County | 0.3694% | $1,550 |
| Austin Community College | special | 0.1034% | $434 |
| Williamson County FM/Rd | County | 0.0443% | $186 |
| Upper Brushy Creek WCID | Water | 0.0170% | $71 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $7,548 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $421,811 would pay approximately $2,633 per month (principal and interest only, excluding taxes and insurance).