4504 POST LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $427,493 and $626,918, with a best estimate of $553,740. That places the property above the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.
Estimated Value Range
$553,740
$576,417
Based on 5 comparable properties(5 in the same subdivision)
Based on 5 comparable properties in G799514C - MAYFIELD RANCH, this home's estimated market value is between $427,493 and $626,918. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$9,532 for 43 sqft less living space and -$1,826 for being older. Net adjustment: -$11,358.
Adjusted -$29,261 for 132 sqft less living space. Net adjustment: -$29,261.
Adjusted -$36,354 for 164 sqft less living space and +$7,304 for being newer. Net adjustment: -$29,050.
Adjusted -$64,950 for 293 sqft less living space and +$7,304 for being newer. Net adjustment: -$57,646.
Adjusted +$52,093 for 235 sqft more living space and +$9,130 for being newer. Net adjustment: +$61,223.
The Neighborhood
This home is valued 10.1% above the G799514C - MAYFIELD RANCH median of $523,371. With 1,093 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.
G799514C - MAYFIELD RANCH
typicalThis home is +10.1% above the subdivision median.
Tax Analysis
The estimated annual property tax is $11,910 across all districts. With a homestead exemption claimed, that drops to $10,333 — saving $1,577 per year. That's $861 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 |
|---|---|---|---|
| Georgetown ISD | School | 1.0506% | $6,056 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,796 |
| Williamson County | County | 0.3694% | $2,130 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $576 |
| Williamson County FM/Rd | County | 0.0443% | $256 |
| Upper Brushy Creek WCID | Water | 0.0170% | $98 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $11,910 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $553,740 would pay approximately $3,456 per month (principal and interest only, excluding taxes and insurance).