510 GREGORY CT, ROUND ROCK, TX 78664
ROUND ROCK, 78664 — williamson County
Property at a Glance
This home is estimated between $201,717 and $500,142, with a best estimate of $282,078. That places the property below the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.
Estimated Value Range
$282,078
$235,701
Based on 5 comparable properties(3 in the same subdivision)
Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $201,717 and $500,142. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$19,043 for 98 sqft more living space and +$9,002 for being newer. Net adjustment: +$28,045.
Adjusted +$36,142 for 186 sqft more living space. Net adjustment: +$36,142.
Adjusted -$199,170 for 1,025 sqft less living space. Net adjustment: -$199,170.
Adjusted -$199,170 for 1,025 sqft less living space. Net adjustment: -$199,170.
Adjusted +$52,270 for 269 sqft more living space and +$9,002 for being newer and +$41,787 for having a garage. Net adjustment: +$103,059.
The Neighborhood
This home is valued 33.7% below the R450X - Round Rock East - Duplex median of $355,449. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.7% over the past year.
R450X - Round Rock East - Duplex
below averageThis home is -33.7% below the subdivision median.
Tax Analysis
The estimated annual property tax is $4,241 across all districts. With a homestead exemption claimed, that drops to $2,947 — saving $1,294 per year. That's $246 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 |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,105 |
| Round Rock | City | 0.3720% | $877 |
| Williamson County | County | 0.3694% | $871 |
| Austin Community College | special | 0.1034% | $244 |
| Williamson County FM/Rd | County | 0.0443% | $104 |
| Upper Brushy Creek WCID | Water | 0.0170% | $40 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $4,241 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $282,078 would pay approximately $1,761 per month (principal and interest only, excluding taxes and insurance).