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6256 MANTALCINO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,824 sqftBuilt 2019

Property at a Glance

This home is estimated between $294,185 and $377,336, with a best estimate of $350,957. That places the property below the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.

Estimated Value Range

$294,185 $377,336
Best Estimate
$350,957
WCAD Value
$354,254
High Confidence

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

Based on 5 comparable properties in H121413C - SIENA, this home's estimated market value is between $294,185 and $377,336. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

6108 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,845 sqft Built 2015
Raw Value $346,483
Adjusted Value $350,957

Adjusted -$4,440 for 21 sqft less living space and +$8,914 for being newer. Net adjustment: +$4,474.

8206 AREZZO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,208 sqft Built 2014
Raw Value $431,179
Adjusted Value $361,141

Adjusted -$81,181 for 384 sqft less living space and +$11,143 for being newer. Net adjustment: -$70,038.

5857 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,448 sqft Built 2017
Raw Value $421,647
Adjusted Value $294,185

Adjusted -$131,919 for 624 sqft less living space and +$4,457 for being newer. Net adjustment: -$127,462.

7945 BASSANO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,706 sqft Built 2017
Raw Value $347,933
Adjusted Value $377,336

Adjusted +$24,946 for 118 sqft more living space and +$4,457 for being newer. Net adjustment: +$29,403.

6117 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,855 sqft Built 2015
Raw Value $348,069
Adjusted Value $350,429

Adjusted -$6,554 for 31 sqft less living space and +$8,914 for being newer. Net adjustment: +$2,360.

The Neighborhood

This home is valued 12.8% below the H121413C - SIENA median of $406,354. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.4% over the past year.

H121413C - SIENA

typical
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$354,254
Median
$406,354

This home is -12.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,154 across all districts. With a homestead exemption claimed, that drops to $6,402 — saving $1,752 per year. That's $534 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
Hutto ISDSchool1.2052%$4,269
Siena MUD #1MUD0.5250%$1,860
Williamson CountyCounty0.3694%$1,309
Williamson County ESD #3 - HuttoESD0.1000%$354
Williamson County FM/RdCounty0.0443%$157
EWC Higher Ed Centerspecial0.0409%$145
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,154

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $350,957 would pay approximately $2,191 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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