4557 POST LOOP, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $356,640 and $554,263, with a best estimate of $503,761. 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
$503,761
$503,010
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 $356,640 and $554,263. All 5 comparables are in the same subdivision, giving this estimate high confidence.
Comparable Properties (5)
Adjusted -$84,014 for 379 sqft less living space. Net adjustment: -$84,014.
Adjusted -$110,837 for 500 sqft less living space and +$9,130 for being newer. Net adjustment: -$101,707.
Adjusted -$22,389 for 101 sqft less living space and +$10,957 for being newer. Net adjustment: -$11,432.
Adjusted -$114,827 for 518 sqft less living space and +$1,826 for being newer. Net adjustment: -$113,001.
Adjusted -$74,482 for 336 sqft less living space and +$1,826 for being newer. Net adjustment: -$72,656.
The Neighborhood
This home is valued 3.9% 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
typicalThis home is -3.9% below the subdivision median.
Tax Analysis
The estimated annual property tax is $10,394 across all districts. With a homestead exemption claimed, that drops to $8,830 — saving $1,564 per year. That's $736 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% | $5,285 |
| Highlands at Mayfield Ranch MUD | MUD | 0.4850% | $2,440 |
| Williamson County | County | 0.3694% | $1,858 |
| Williamson County ESD #9 - Round Rock | ESD | 0.0999% | $503 |
| Williamson County FM/Rd | County | 0.0443% | $223 |
| Upper Brushy Creek WCID | Water | 0.0170% | $86 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0663% | $10,394 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $503,761 would pay approximately $3,144 per month (principal and interest only, excluding taxes and insurance).