8000 MASSA DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $370,352 and $589,970, with a best estimate of $474,713. That places the property above the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.
Estimated Value Range
$474,713
$396,243
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in H121413C - SIENA, this home's estimated market value is between $370,352 and $589,970. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$57,715 for 273 sqft more living space and +$4,457 for being newer. Net adjustment: +$62,172.
Adjusted +$132,977 for 629 sqft more living space and +$4,457 for being newer. Net adjustment: +$137,434.
Adjusted -$50,738 for 240 sqft less living space and -$2,229 for being older. Net adjustment: -$52,967.
Adjusted +$13,953 for 66 sqft more living space. Net adjustment: +$13,953.
Adjusted -$54,755 for 259 sqft less living space and +$4,457 for being newer. Net adjustment: -$50,298.
The Neighborhood
This home is valued 2.5% below the H121413C - SIENA median of $406,354. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.4% over the past year.
H121413C - SIENA
typicalThis home is -2.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $9,121 across all districts. With a homestead exemption claimed, that drops to $7,360 — saving $1,761 per year. That's $613 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 |
|---|---|---|---|
| Hutto ISD | School | 1.2052% | $4,776 |
| Siena MUD #1 | MUD | 0.5250% | $2,080 |
| Williamson County | County | 0.3694% | $1,464 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $396 |
| Williamson County FM/Rd | County | 0.0443% | $176 |
| EWC Higher Ed Center | special | 0.0409% | $162 |
| Upper Brushy Creek WCID | Water | 0.0170% | $67 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $9,121 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $474,713 would pay approximately $2,963 per month (principal and interest only, excluding taxes and insurance).