1800 ST WILLIAMS ST, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $238,295 and $305,209, with a best estimate of $258,631. That places the property below the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358, in a neighborhood that declined 9.6% over the past year.
Estimated Value Range
$258,631
$259,252
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN. The estimated range of $238,295 and $305,209 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$25,670 for 119 sqft less living space and -$6,236 for being older. Net adjustment: -$31,906.
Adjusted +$3,667 for 17 sqft more living space and -$1,559 for being older. Net adjustment: +$2,108.
Adjusted -$22,434 for 104 sqft less living space and -$9,354 for being older. Net adjustment: -$31,788.
Adjusted -$13,374 for 62 sqft less living space and -$6,236 for being older. Net adjustment: -$19,610.
Adjusted -$33,004 for 153 sqft less living space and -$9,354 for being older. Net adjustment: -$42,358.
The Neighborhood
This home is valued 7.9% below the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.6% over the past year.
R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN
typicalThis home is -7.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $4,665 across all districts. With a homestead exemption claimed, that drops to $3,366 — saving $1,299 per year. That's $281 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% | $2,315 |
| Round Rock | City | 0.3720% | $964 |
| Williamson County | County | 0.3694% | $958 |
| Austin Community College | special | 0.1034% | $268 |
| Williamson County FM/Rd | County | 0.0443% | $115 |
| Upper Brushy Creek WCID | Water | 0.0170% | $44 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $4,665 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $258,631 would pay approximately $1,614 per month (principal and interest only, excluding taxes and insurance).