3615 SANDY KOUFAX LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $322,717 and $346,781, with a best estimate of $338,080. That places the property below the R454400F - Ryan's Crossing Sec 1 Thru 6 median of $339,919, in a neighborhood that declined 9.3% over the past year.
Estimated Value Range
$338,080
$326,083
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R454400F - Ryan's Crossing Sec 1 Thru 6, this home's estimated market value is between $322,717 and $346,781. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$1,863 for 10 sqft less living space. Net adjustment: -$1,863.
Adjusted -$9,131 for 49 sqft less living space and -$952 for being older. Net adjustment: -$10,083.
Adjusted -$14,535 for 78 sqft less living space and -$952 for being older. Net adjustment: -$15,487.
Adjusted -$16,212 for 87 sqft less living space. Net adjustment: -$16,212.
Adjusted -$10,994 for 59 sqft less living space. Net adjustment: -$10,994.
The Neighborhood
This home is valued 4.1% below the R454400F - Ryan's Crossing Sec 1 Thru 6 median of $339,919. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.3% over the past year.
R454400F - Ryan's Crossing Sec 1 Thru 6
typicalThis home is -4.1% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,867 across all districts. With a homestead exemption claimed, that drops to $4,557 — saving $1,310 per year. That's $380 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
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,912 |
| Round Rock | City | 0.3720% | $1,213 |
| Williamson County | County | 0.3694% | $1,205 |
| Austin Community College | special | 0.1034% | $337 |
| Williamson County FM/Rd | County | 0.0443% | $145 |
| Upper Brushy Creek WCID | Water | 0.0170% | $55 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,867 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $338,080 would pay approximately $2,110 per month (principal and interest only, excluding taxes and insurance).