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4509 MONTEROSA LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,544 sqftBuilt 2009

Property at a Glance

This home is estimated between $507,425 and $837,884, with a best estimate of $555,635. 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

$507,425 $837,884
Best Estimate
$555,635
WCAD Value
$494,457
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 $507,425 and $837,884 should be treated as a rough guide.

Comparable Properties (5)

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 $555,635

Adjusted -$5,867 for 24 sqft less living space. Net adjustment: -$5,867.

4 bed 3 bath 2,530 sqft Built 2009
Raw Value $834,462
Adjusted Value $837,884

Adjusted +$3,422 for 14 sqft more living space. Net adjustment: +$3,422.

4 bed 3 bath 2,951 sqft Built 2011
Raw Value $638,340
Adjusted Value $515,748

Adjusted -$99,495 for 407 sqft less living space and -$23,097 for being older. Net adjustment: -$122,592.

4 bed 3 bath 2,043 sqft Built 2008
Raw Value $444,727
Adjusted Value $578,750

Adjusted +$122,474 for 501 sqft more living space and +$11,549 for being newer. Net adjustment: +$134,023.

4 bed 2 bath 2,432 sqft Built 2007
Raw Value $456,949
Adjusted Value $507,425

Adjusted +$27,379 for 112 sqft more living space and +$23,097 for being newer. Net adjustment: +$50,476.

The Neighborhood

This home is valued 18.5% 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
$494,457
Median
$606,779

This home is -18.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,359 across all districts. With a homestead exemption claimed, that drops to $8,017 — saving $1,342 per year. That's $668 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%$4,416
Williamson CountyCounty0.3694%$1,827
Williamson County MUD #11MUD0.3656%$1,808
Austin Community Collegespecial0.1034%$511
Williamson County ESD #9 - Round RockESD0.0999%$494
Williamson County FM/RdCounty0.0443%$219
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$9,359

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $555,635 would pay approximately $3,468 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.

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