306 BLACK ST, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $282,476 and $538,367, with a best estimate of $330,231. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.
Estimated Value Range
$330,231
$605,478
Based on 5 comparable properties(0 in the same subdivision)
There are 5 comparable properties within range, but none are in R701575F - OLD TOWN ROUND ROCK. The estimated range of $282,476 and $538,367 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$1,027 for 4 sqft more living space and +$12,369 for being newer. Net adjustment: +$13,396.
Adjusted -$7,960 for 31 sqft less living space and +$9,277 for being newer. Net adjustment: +$1,317.
Adjusted -$12,325 for 48 sqft less living space and -$9,277 for being older. Net adjustment: -$21,602.
Adjusted -$43,906 for 171 sqft less living space and +$30,923 for being newer. Net adjustment: -$12,983.
Adjusted -$77,542 for 302 sqft less living space and +$12,369 for being newer. Net adjustment: -$65,173.
The Neighborhood
This home is valued 89.7% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.
R701575F - OLD TOWN ROUND ROCK
outlier highThis home is +89.7% above the subdivision median.
Tax Analysis
The estimated annual property tax is $10,714 across all districts. With a homestead exemption claimed, that drops to $9,354 — saving $1,360 per year. That's $780 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% | $5,318 |
| Round Rock | City | 0.3720% | $2,215 |
| Williamson County | County | 0.3694% | $2,200 |
| Austin Community College | special | 0.1034% | $616 |
| Williamson County FM/Rd | County | 0.0443% | $264 |
| Upper Brushy Creek WCID | Water | 0.0170% | $101 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $10,714 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $330,231 would pay approximately $2,061 per month (principal and interest only, excluding taxes and insurance).