15418 RR 620, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $5,948,459 and $11,767,663, with a best estimate of $6,560,331. That places the property above the R30IW - Mini-warehouse-west Round Rock median of $4,660,982, in a neighborhood that appreciated 71.5% over the past year.
Estimated Value Range
$6,560,331
$4,415,136
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in R30IW - Mini-warehouse-west Round Rock. The estimated range of $5,948,459 and $11,767,663 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$60,364 for 250 sqft less living space and +$2,427 for being newer. Net adjustment: -$57,937.
Adjusted +$4,120,181 for 17,064 sqft more living space and -$1,719 for being older and -$60,193 for no garage. Net adjustment: +$4,058,269.
Adjusted +$5,546,212 for 22,970 sqft more living space and -$1,618 for being older. Net adjustment: +$5,544,594.
Adjusted +$5,483,917 for 22,712 sqft more living space and -$2,124 for being older and -$60,193 for no garage. Net adjustment: +$5,421,600.
Adjusted +$4,916,499 for 20,362 sqft more living space and -$4,046 for being older. Net adjustment: +$4,912,453.
The Neighborhood
This home is valued 5.3% below the R30IW - Mini-warehouse-west Round Rock median of $4,660,982. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 71.5% over the past year.
R30IW - Mini-warehouse-west Round Rock
typicalThis home is -5.3% below the subdivision median.
Tax Analysis
The estimated annual property tax is $62,052 across all districts. With a homestead exemption claimed, that drops to $60,052 — saving $2,000 per year. That's $5,004 per month a buyer should budget. The assessed value increased +30.4% vs the subdivision average of +71.5%. This 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% | $36,286 |
| Williamson County | County | 0.3694% | $15,010 |
| Austin Community College | special | 0.1034% | $4,201 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $4,063 |
| Williamson County FM/Rd | County | 0.0443% | $1,801 |
| Upper Brushy Creek WCID | Water | 0.0170% | $691 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.5273% | $62,052 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $6,560,331 would pay approximately $40,949 per month (principal and interest only, excluding taxes and insurance).