4525 POST LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $421,372 and $585,829, with a best estimate of $423,343. That places the property below the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.
Estimated Value Range
$423,343
$430,682
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 $421,372 and $585,829. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$15,074 for 68 sqft less living space and -$1,826 for being older. Net adjustment: -$16,900.
Adjusted -$34,803 for 157 sqft less living space. Net adjustment: -$34,803.
Adjusted -$41,896 for 189 sqft less living space and +$7,304 for being newer. Net adjustment: -$34,592.
Adjusted -$70,492 for 318 sqft less living space and +$7,304 for being newer. Net adjustment: -$63,188.
Adjusted -$70,049 for 316 sqft less living space and +$9,130 for being newer. Net adjustment: -$60,919.
The Neighborhood
This home is valued 17.7% below the G799514C - MAYFIELD RANCH median of $523,371. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.3% over the past year.
G799514C - MAYFIELD RANCH
below averageThis home is -17.7% below the subdivision median.
Tax Analysis
The estimated annual property tax is $8,899 across all districts. With a homestead exemption claimed, that drops to $7,349 — saving $1,550 per year. That's $612 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% | $4,525 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,089 |
| Williamson County | County | 0.3694% | $1,591 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $430 |
| Williamson County FM/Rd | County | 0.0443% | $191 |
| Upper Brushy Creek WCID | Water | 0.0170% | $73 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $8,899 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $423,343 would pay approximately $2,642 per month (principal and interest only, excluding taxes and insurance).