509 CASCADA LN, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $412,961 and $595,553, with a best estimate of $494,048. That places the property below the R100411D - SENDERO SPRINGS SEC. 6 median of $691,941, in a neighborhood that declined 7.4% over the past year.
Estimated Value Range
$494,048
$585,005
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 $412,961 and $595,553. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$206,771 for 561 sqft less living space. Net adjustment: -$206,771.
Adjusted -$123,841 for 336 sqft less living space. Net adjustment: -$123,841.
Adjusted -$23,220 for 63 sqft less living space and +$151,074 for being newer. Net adjustment: +$127,854.
Adjusted -$180,233 for 489 sqft less living space. Net adjustment: -$180,233.
Adjusted -$55,286 for 150 sqft less living space and +$151,074 for being newer. Net adjustment: +$95,788.
The Neighborhood
This home is valued 15.5% below the R100411D - SENDERO SPRINGS SEC. 6 median of $691,941. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.4% over the past year.
R100411D - SENDERO SPRINGS SEC. 6
below averageThis home is -15.5% below the subdivision median.
Tax Analysis
The estimated annual property tax is $11,724 across all districts. With a homestead exemption claimed, that drops to $10,366 — saving $1,358 per year. That's $864 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% | $5,225 |
| Brushy Creek MUD | MUD | 0.3868% | $2,263 |
| Williamson County | County | 0.3694% | $2,161 |
| Austin Community College | special | 0.1034% | $605 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $585 |
| Brushy Creek MUD Defined Area | MUD | 0.0900% | $527 |
| Williamson County FM/Rd | County | 0.0443% | $259 |
| Upper Brushy Creek WCID | Water | 0.0170% | $99 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0041% | $11,724 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $494,048 would pay approximately $3,084 per month (principal and interest only, excluding taxes and insurance).