4578 POST LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $385,452 and $609,681, with a best estimate of $536,502. 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
$536,502
$537,221
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 $385,452 and $609,681. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$28,596 for 129 sqft less living space. Net adjustment: -$28,596.
Adjusted -$48,325 for 218 sqft less living space and +$1,826 for being newer. Net adjustment: -$46,499.
Adjusted -$55,418 for 250 sqft less living space and +$9,130 for being newer. Net adjustment: -$46,288.
Adjusted +$33,029 for 149 sqft more living space and +$10,957 for being newer. Net adjustment: +$43,986.
Adjusted -$216,575 for 977 sqft less living space and +$10,957 for being newer. Net adjustment: -$205,618.
The Neighborhood
This home is valued 2.6% 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 +2.6% above the subdivision median.
Tax Analysis
The estimated annual property tax is $11,101 across all districts. With a homestead exemption claimed, that drops to $9,530 — saving $1,571 per year. That's $794 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% | $5,644 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,606 |
| Williamson County | County | 0.3694% | $1,985 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $537 |
| Williamson County FM/Rd | County | 0.0443% | $238 |
| Upper Brushy Creek WCID | Water | 0.0170% | $91 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $11,101 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $536,502 would pay approximately $3,349 per month (principal and interest only, excluding taxes and insurance).