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509 MONTALCINO LN, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

4 bed4 bath3,461 sqftBuilt 2021

Property at a Glance

This home is estimated between $686,640 and $1,047,214, with a best estimate of $747,269. 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

$686,640 $1,047,214
Best Estimate
$747,269
WCAD Value
$673,436
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 $686,640 and $1,047,214. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

513 MONTALCINO LN, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
5 bed 4 bath 2,904 sqft Built 2021
Raw Value $925,554
Adjusted Value $1,047,214

Adjusted +$121,660 for 557 sqft more living space. Net adjustment: +$121,660.

505 MONTALCINO LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
3 bed 2 bath 3,554 sqft Built 2022
Raw Value $711,866
Adjusted Value $686,640

Adjusted -$20,313 for 93 sqft less living space and -$4,913 for being older. Net adjustment: -$25,226.

501 MONTALCINO LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,033 sqft Built 2016
Raw Value $686,924
Adjusted Value $804,974

Adjusted +$93,484 for 428 sqft more living space and +$24,566 for being newer. Net adjustment: +$118,050.

517 MONTALCINO LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,439 sqft Built 2017
Raw Value $722,811
Adjusted Value $747,269

Adjusted +$4,805 for 22 sqft more living space and +$19,653 for being newer. Net adjustment: +$24,458.

508 MONTALCINO LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,033 sqft Built 2016
Raw Value $611,016
Adjusted Value $729,066

Adjusted +$93,484 for 428 sqft more living space and +$24,566 for being newer. Net adjustment: +$118,050.

The Neighborhood

This home is valued 31.6% 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
$673,436
Median
$511,660

This home is +31.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,545 across all districts. With a homestead exemption claimed, that drops to $14,686 — saving $1,859 per year. That's $1,224 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%$8,343
Williamson County MUD #12MUD0.7296%$4,913
Williamson CountyCounty0.3694%$2,488
Williamson County ESD #4 - Liberty HillESD0.0745%$502
Williamson County FM/RdCounty0.0443%$299
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$16,545

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $747,269 would pay approximately $4,664 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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