4501 POST LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $467,509 and $629,995, with a best estimate of $592,363. 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
$592,363
$531,365
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 $467,509 and $629,995. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted +$27,266 for 123 sqft more living space. Net adjustment: +$27,266.
Adjusted +$7,537 for 34 sqft more living space and +$1,826 for being newer. Net adjustment: +$9,363.
Adjusted +$443 for 2 sqft more living space and +$9,130 for being newer. Net adjustment: +$9,573.
Adjusted -$3,547 for 16 sqft less living space and +$1,826 for being newer. Net adjustment: -$1,721.
Adjusted +$36,798 for 166 sqft more living space and +$1,826 for being newer. Net adjustment: +$38,624.
The Neighborhood
This home is valued 1.5% 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 +1.5% above the subdivision median.
Tax Analysis
The estimated annual property tax is $10,980 across all districts. With a homestead exemption claimed, that drops to $9,411 — saving $1,569 per year. That's $784 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% | $5,583 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,577 |
| Williamson County | County | 0.3694% | $1,963 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $531 |
| Williamson County FM/Rd | County | 0.0443% | $236 |
| Upper Brushy Creek WCID | Water | 0.0170% | $90 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $10,980 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $592,363 would pay approximately $3,698 per month (principal and interest only, excluding taxes and insurance).