3120 LAS COLINAS WAY, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $726,588 and $1,128,174, with a best estimate of $1,062,223. That places the property above the R140601C - Hidden Glen median of $813,527, in a neighborhood that declined 1.5% over the past year.
Estimated Value Range
$1,062,223
$774,691
Based on 5 comparable properties(4 in the same subdivision)
Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $726,588 and $1,128,174. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$194,113 for 559 sqft more living space and +$8,064 for being newer. Net adjustment: +$202,177.
Adjusted +$194,113 for 559 sqft more living space and +$8,064 for being newer. Net adjustment: +$202,177.
Adjusted -$30,558 for 88 sqft less living space and -$16,127 for being older. Net adjustment: -$46,685.
Adjusted +$168,417 for 485 sqft more living space. Net adjustment: +$168,417.
Adjusted +$212,170 for 611 sqft more living space and +$8,064 for being newer. Net adjustment: +$220,234.
The Neighborhood
This home is valued 4.8% below the R140601C - Hidden Glen median of $813,527. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.5% over the past year.
R140601C - Hidden Glen
typicalThis home is -4.8% below the subdivision median.
Tax Analysis
The estimated annual property tax is $13,939 across all districts. With a homestead exemption claimed, that drops to $12,545 — saving $1,394 per year. That's $1,045 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% | $6,919 |
| Round Rock | City | 0.3720% | $2,882 |
| Williamson County | County | 0.3694% | $2,862 |
| Austin Community College | special | 0.1034% | $801 |
| Williamson County FM/Rd | County | 0.0443% | $343 |
| Upper Brushy Creek WCID | Water | 0.0170% | $132 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7993% | $13,939 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $1,062,223 would pay approximately $6,630 per month (principal and interest only, excluding taxes and insurance).