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645 CORTONA LN, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

3 bed2 bath2,087 sqftBuilt 2017

Property at a Glance

This home is estimated between $399,704 and $577,071, with a best estimate of $489,429. That places the property above the I451417C - RANCHO SIENNA SEC 4,9,11 median of $430,159, in a neighborhood that declined 2.6% over the past year.

Estimated Value Range

$399,704 $577,071
Best Estimate
$489,429
WCAD Value
$408,626
High Confidence

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

Based on 5 comparable properties in I451417C - RANCHO SIENNA SEC 4,9,11, this home's estimated market value is between $399,704 and $577,071. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

641 CORTONA LN, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,877 sqft Built 2017
Raw Value $440,916
Adjusted Value $489,429

Adjusted +$48,513 for 210 sqft more living space. Net adjustment: +$48,513.

637 CORTONA LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,657 sqft Built 2017
Raw Value $374,827
Adjusted Value $474,163

Adjusted +$99,336 for 430 sqft more living space. Net adjustment: +$99,336.

105 SERRANO ST, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,110 sqft Built 2016
Raw Value $410,725
Adjusted Value $399,704

Adjusted -$5,313 for 23 sqft less living space and -$5,708 for being older. Net adjustment: -$11,021.

109 SERRANO ST, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,923 sqft Built 2016
Raw Value $464,028
Adjusted Value $496,206

Adjusted +$37,886 for 164 sqft more living space and -$5,708 for being older. Net adjustment: +$32,178.

633 CORTONA LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,539 sqft Built 2017
Raw Value $450,476
Adjusted Value $577,071

Adjusted +$126,595 for 548 sqft more living space. Net adjustment: +$126,595.

The Neighborhood

This home is valued 5.0% below the I451417C - RANCHO SIENNA SEC 4,9,11 median of $430,159. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.6% over the past year.

I451417C - RANCHO SIENNA SEC 4,9,11

typical
355 Properties
$430,159 Median Value
-2.6% YoY Change
0% Have Pool
100% Have Garage
This Home
$408,626
Median
$430,159

This home is -5.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,039 across all districts. With a homestead exemption claimed, that drops to $8,229 — saving $1,810 per year. That's $686 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%$5,062
Williamson County MUD #12MUD0.7296%$2,981
Williamson CountyCounty0.3694%$1,510
Williamson County ESD #4 - Liberty HillESD0.0745%$304
Williamson County FM/RdCounty0.0443%$181
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$10,039

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $489,429 would pay approximately $3,055 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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