3909 OBSIDIAN LN, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $593,404 and $776,103, with a best estimate of $637,969. That places the property below the R147606C - WALSH RANCH median of $933,667, in a neighborhood that declined 4.6% over the past year.
Estimated Value Range
$637,969
$841,547
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in R147606C - WALSH RANCH. The estimated range of $593,404 and $776,103 should be treated as a rough guide.
Comparable Properties (5)
Adjusted -$189,081 for 465 sqft less living space. Net adjustment: -$189,081.
Adjusted -$23,178 for 57 sqft less living space and +$97,266 for being newer. Net adjustment: +$74,088.
Adjusted -$65,873 for 162 sqft less living space and +$97,266 for being newer. Net adjustment: +$31,393.
Adjusted -$65,873 for 162 sqft less living space and +$125,056 for being newer. Net adjustment: +$59,183.
Adjusted -$162,650 for 400 sqft less living space and -$83,371 for being older. Net adjustment: -$246,021.
The Neighborhood
This home is valued 9.9% below the R147606C - WALSH RANCH median of $933,667. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.
R147606C - WALSH RANCH
typicalThis home is -9.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $15,760 across all districts. With a homestead exemption claimed, that drops to $14,354 — saving $1,406 per year. That's $1,196 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% | $7,516 |
| Williamson County | County | 0.3694% | $3,109 |
| Walsh Ranch MUD | MUD | 0.3455% | $2,908 |
| Austin Community College | special | 0.1034% | $870 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $842 |
| Williamson County FM/Rd | County | 0.0443% | $373 |
| Upper Brushy Creek WCID | Water | 0.0170% | $143 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.8728% | $15,760 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $637,969 would pay approximately $3,982 per month (principal and interest only, excluding taxes and insurance).