3605 SANDY KOUFAX LN, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $260,130 and $430,449, with a best estimate of $261,909. 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
$261,909
$312,902
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 $260,130 and $430,449. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$81,805 for 439 sqft more living space. Net adjustment: +$81,805.
Adjusted -$80,687 for 433 sqft less living space. Net adjustment: -$80,687.
Adjusted -$66,525 for 357 sqft less living space. Net adjustment: -$66,525.
Adjusted -$80,687 for 433 sqft less living space. Net adjustment: -$80,687.
Adjusted +$74,538 for 400 sqft more living space and -$952 for being older. Net adjustment: +$73,586.
The Neighborhood
This home is valued 7.9% 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 -7.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,630 across all districts. With a homestead exemption claimed, that drops to $4,322 — saving $1,308 per year. That's $360 per month a buyer should budget. The assessed value increased -2.8% vs the subdivision average of -9.3%. This above-average increase gives a protest opportunity score of 33 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,795 |
| Round Rock | City | 0.3720% | $1,164 |
| Williamson County | County | 0.3694% | $1,156 |
| Austin Community College | special | 0.1034% | $324 |
| Williamson County FM/Rd | County | 0.0443% | $139 |
| Upper Brushy Creek WCID | Water | 0.0170% | $53 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,630 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $261,909 would pay approximately $1,635 per month (principal and interest only, excluding taxes and insurance).