3504 W LUMINOSO LN, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $661,982 and $1,510,023, with a best estimate of $1,317,922. That places the property above the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158, in a neighborhood that appreciated 0.3% over the past year.
Estimated Value Range
$1,317,922
$986,016
Based on 5 comparable properties(1 in the same subdivision)
There are 5 comparable properties within range, but few are in R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5. The estimated range of $661,982 and $1,510,023 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$122,830 for 332 sqft more living space and -$22,083 for being older. Net adjustment: +$100,747.
Adjusted +$476,523 for 1,288 sqft more living space and -$19,323 for being older. Net adjustment: +$457,200.
Adjusted +$127,640 for 345 sqft more living space and -$22,083 for being older. Net adjustment: +$105,557.
Adjusted +$452,475 for 1,223 sqft more living space and -$2,760 for being older. Net adjustment: +$449,715.
Adjusted +$270,449 for 731 sqft more living space and +$22,083 for being newer. Net adjustment: +$292,532.
The Neighborhood
This home is valued 31.4% above the R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5 median of $750,158. With 1,049 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.3% over the past year.
R102606C - SENDERO SPRINGS / BEHREN'S RANCH R5
above averageThis home is +31.4% above the subdivision median.
Tax Analysis
The estimated annual property tax is $19,761 across all districts. With a homestead exemption claimed, that drops to $18,328 — saving $1,433 per year. That's $1,527 per month a buyer should budget. The assessed value increased +7.8% vs the subdivision average of +0.3%. This above-average increase gives a protest opportunity score of 58 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $8,806 |
| Brushy Creek MUD | MUD | 0.3868% | $3,814 |
| Williamson County | County | 0.3694% | $3,643 |
| Austin Community College | special | 0.1034% | $1,020 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $986 |
| Brushy Creek MUD Defined Area | MUD | 0.0900% | $887 |
| Williamson County FM/Rd | County | 0.0443% | $437 |
| Upper Brushy Creek WCID | Water | 0.0170% | $168 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0041% | $19,761 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $1,317,922 would pay approximately $8,226 per month (principal and interest only, excluding taxes and insurance).