3628 SANDY BROOK DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $249,523 and $433,348, with a best estimate of $374,732. That places the property above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056, in a neighborhood that declined 4.7% over the past year.
Estimated Value Range
$374,732
$289,525
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in R409599G - STONEY BROOK - ALL SECTIONS, this home's estimated market value is between $249,523 and $433,348. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$50,940 for 220 sqft more living space and -$12,334 for being older. Net adjustment: +$38,606.
Adjusted -$25,702 for 111 sqft less living space and -$8,223 for being older. Net adjustment: -$33,925.
Adjusted -$50,246 for 217 sqft less living space and -$8,223 for being older. Net adjustment: -$58,469.
Adjusted -$52,098 for 225 sqft less living space and -$8,223 for being older. Net adjustment: -$60,321.
Adjusted +$55,571 for 240 sqft more living space and -$8,223 for being older. Net adjustment: +$47,348.
The Neighborhood
This home is valued 11.7% below the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.7% over the past year.
R409599G - STONEY BROOK - ALL SECTIONS
typicalThis home is -11.7% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,209 across all districts. With a homestead exemption claimed, that drops to $3,906 — saving $1,303 per year. That's $326 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% | $2,586 |
| Round Rock | City | 0.3720% | $1,077 |
| Williamson County | County | 0.3694% | $1,070 |
| Austin Community College | special | 0.1034% | $299 |
| Williamson County FM/Rd | County | 0.0443% | $128 |
| Upper Brushy Creek WCID | Water | 0.0170% | $49 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $5,209 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $374,732 would pay approximately $2,339 per month (principal and interest only, excluding taxes and insurance).