Beta Williamson County, TX only — data and coverage are limited during early access.

4507 MONTEROSA LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,422 sqftBuilt 2011

Property at a Glance

This home is estimated between $500,699 and $831,157, with a best estimate of $548,908. That places the property below the R41R405D - TERAVISTA SEC 13B - HAMPTON VILLAGE median of $606,779, in a neighborhood that declined 1.9% over the past year.

Estimated Value Range

$500,699 $831,157
Best Estimate
$548,908
WCAD Value
$484,595
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R41R405D - TERAVISTA SEC 13B - HAMPTON VILLAGE. The estimated range of $500,699 and $831,157 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,610 sqft Built 2011
Raw Value $671,665
Adjusted Value $625,707

Adjusted -$45,958 for 188 sqft less living space. Net adjustment: -$45,958.

4510 MONTEROSA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,568 sqft Built 2009
Raw Value $561,502
Adjusted Value $548,908

Adjusted -$35,691 for 146 sqft less living space and +$23,097 for being newer. Net adjustment: -$12,594.

4 bed 2 bath 2,432 sqft Built 2007
Raw Value $456,949
Adjusted Value $500,699

Adjusted -$2,445 for 10 sqft less living space and +$46,195 for being newer. Net adjustment: +$43,750.

3 bed 2 bath 1,868 sqft Built 2009
Raw Value $370,722
Adjusted Value $529,249

Adjusted +$135,430 for 554 sqft more living space and +$23,097 for being newer. Net adjustment: +$158,527.

4 bed 3 bath 2,530 sqft Built 2009
Raw Value $834,462
Adjusted Value $831,157

Adjusted -$26,402 for 108 sqft less living space and +$23,097 for being newer. Net adjustment: -$3,305.

The Neighborhood

This home is valued 20.1% below the R41R405D - TERAVISTA SEC 13B - HAMPTON VILLAGE median of $606,779. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.9% over the past year.

R41R405D - TERAVISTA SEC 13B - HAMPTON VILLAGE

below average
109 Properties
$606,779 Median Value
-1.9% YoY Change
3% Have Pool
100% Have Garage
This Home
$484,595
Median
$606,779

This home is -20.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,172 across all districts. With a homestead exemption claimed, that drops to $7,832 — saving $1,340 per year. That's $653 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

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,328
Williamson CountyCounty0.3694%$1,790
Williamson County MUD #11MUD0.3656%$1,772
Austin Community Collegespecial0.1034%$501
Williamson County ESD #9 - Round RockESD0.0999%$484
Williamson County FM/RdCounty0.0443%$215
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$9,172

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $548,908 would pay approximately $3,426 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

View full property details