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

405 MONTALCINO LN, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

4 bed3 bath3,533 sqftBuilt 2021

Property at a Glance

This home is estimated between $683,034 and $900,386, with a best estimate of $878,895. That places the property above the I450610C - RANCHO SIENNA median of $511,660, in a neighborhood that declined 4.3% over the past year.

Estimated Value Range

$683,034 $900,386
Best Estimate
$878,895
WCAD Value
$697,921
High Confidence

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

Based on 5 comparable properties in I450610C - RANCHO SIENNA, this home's estimated market value is between $683,034 and $900,386. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

401 MONTALCINO LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
3 bed 2 bath 3,356 sqft Built 2016
Raw Value $665,657
Adjusted Value $728,883

Adjusted +$38,660 for 177 sqft more living space and +$24,566 for being newer. Net adjustment: +$63,226.

409 MONTALCINO LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 2 bath 3,069 sqft Built 2018
Raw Value $784,299
Adjusted Value $900,386

Adjusted +$101,347 for 464 sqft more living space and +$14,740 for being newer. Net adjustment: +$116,087.

413 MONTALCINO LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 4 bath 3,417 sqft Built 2016
Raw Value $845,774
Adjusted Value $895,677

Adjusted +$25,337 for 116 sqft more living space and +$24,566 for being newer. Net adjustment: +$49,903.

404 MONTALCINO LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 4 bath 3,386 sqft Built 2018
Raw Value $832,047
Adjusted Value $878,895

Adjusted +$32,108 for 147 sqft more living space and +$14,740 for being newer. Net adjustment: +$46,848.

412 MONTALCINO LN, GEORGETOWN, TX 78628
0.04 mi 100% similar Same subdivision
4 bed 3 bath 3,735 sqft Built 2021
Raw Value $727,155
Adjusted Value $683,034

Adjusted -$44,121 for 202 sqft less living space. Net adjustment: -$44,121.

The Neighborhood

This home is valued 36.4% above the I450610C - RANCHO SIENNA median of $511,660. With 1,070 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.3% over the past year.

I450610C - RANCHO SIENNA

above average
1,070 Properties
$511,660 Median Value
-4.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$697,921
Median
$511,660

This home is +36.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,146 across all districts. With a homestead exemption claimed, that drops to $15,283 — saving $1,863 per year. That's $1,274 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
Liberty Hill ISDSchool1.2389%$8,647
Williamson County MUD #12MUD0.7296%$5,092
Williamson CountyCounty0.3694%$2,578
Williamson County ESD #4 - Liberty HillESD0.0745%$520
Williamson County FM/RdCounty0.0443%$309
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$17,146

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $878,895 would pay approximately $5,486 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