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

4510 MONTEROSA LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,568 sqftBuilt 2009

Property at a Glance

This home is estimated between $513,292 and $843,751, with a best estimate of $577,772. 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

$513,292 $843,751
Best Estimate
$577,772
WCAD Value
$561,502
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 $513,292 and $843,751 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,530 sqft Built 2009
Raw Value $834,462
Adjusted Value $843,751

Adjusted +$9,289 for 38 sqft more living space. Net adjustment: +$9,289.

4501 CERVINIA DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,630 sqft Built 2010
Raw Value $604,477
Adjusted Value $577,772

Adjusted -$15,156 for 62 sqft less living space and -$11,549 for being older. Net adjustment: -$26,705.

4 bed 3 bath 2,951 sqft Built 2011
Raw Value $638,340
Adjusted Value $521,615

Adjusted -$93,628 for 383 sqft less living space and -$23,097 for being older. Net adjustment: -$116,725.

4 bed 3 bath 2,043 sqft Built 2008
Raw Value $444,727
Adjusted Value $584,617

Adjusted +$128,341 for 525 sqft more living space and +$11,549 for being newer. Net adjustment: +$139,890.

4 bed 2 bath 2,432 sqft Built 2007
Raw Value $456,949
Adjusted Value $513,292

Adjusted +$33,246 for 136 sqft more living space and +$23,097 for being newer. Net adjustment: +$56,343.

The Neighborhood

This home is valued 7.5% 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

typical
109 Properties
$606,779 Median Value
-1.9% YoY Change
3% Have Pool
100% Have Garage
This Home
$561,502
Median
$606,779

This home is -7.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,628 across all districts. With a homestead exemption claimed, that drops to $9,274 — saving $1,354 per year. That's $773 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%$5,015
Williamson CountyCounty0.3694%$2,074
Williamson County MUD #11MUD0.3656%$2,053
Austin Community Collegespecial0.1034%$581
Williamson County ESD #9 - Round RockESD0.0999%$561
Williamson County FM/RdCounty0.0443%$249
Upper Brushy Creek WCIDWater0.0170%$95
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$10,628

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $577,772 would pay approximately $3,606 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