15415 RR 620 N, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $171,378 and $779,181, with a best estimate of $602,539. That places the property below the R30PR - Single Family Conversion-west Round Rock median of $945,717, in a neighborhood that appreciated 6.7% over the past year.
Estimated Value Range
$602,539
$180,461
Based on 5 comparable properties(3 in the same subdivision)
Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $171,378 and $779,181. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$282,985 for 1,172 sqft less living space and -$60,193 for no garage. Net adjustment: -$343,178.
Adjusted -$50,223 for 208 sqft less living space and -$506 for being older and -$6,235 for no pool. Net adjustment: -$56,964.
Adjusted -$526,130 for 2,179 sqft less living space and +$506 for being newer. Net adjustment: -$525,624.
Adjusted -$556,070 for 2,303 sqft less living space and +$1,517 for being newer. Net adjustment: -$554,553.
Adjusted -$185,679 for 769 sqft less living space and -$1,011 for being older. Net adjustment: -$186,690.
The Neighborhood
This home is valued 80.9% below the R30PR - Single Family Conversion-west Round Rock median of $945,717. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 6.7% over the past year.
R30PR - Single Family Conversion-west Round Rock
outlier lowThis home is -80.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $2,756 across all districts. With a homestead exemption claimed, that drops to $1,472 — saving $1,284 per year. That's $123 per month a buyer should budget. The assessed value increased +10.2% vs the subdivision average of +6.7%. 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% | $1,612 |
| Williamson County | County | 0.3694% | $667 |
| Austin Community College | special | 0.1034% | $187 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $180 |
| Williamson County FM/Rd | County | 0.0443% | $80 |
| Upper Brushy Creek WCID | Water | 0.0170% | $31 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.5273% | $2,756 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $602,539 would pay approximately $3,761 per month (principal and interest only, excluding taxes and insurance).