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521 SAN MICHELLE LN, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

4 bed3 bath2,757 sqftBuilt 2016

Property at a Glance

This home is estimated between $496,442 and $718,361, with a best estimate of $552,001. 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

$496,442 $718,361
Best Estimate
$552,001
WCAD Value
$544,377
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 $496,442 and $718,361. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

517 SAN MICHELLE LN, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,454 sqft Built 2016
Raw Value $485,820
Adjusted Value $552,001

Adjusted +$66,181 for 303 sqft more living space. Net adjustment: +$66,181.

224 CORTONA LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,847 sqft Built 2016
Raw Value $519,599
Adjusted Value $718,361

Adjusted +$198,762 for 910 sqft more living space. Net adjustment: +$198,762.

220 CORTONA LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,360 sqft Built 2015
Raw Value $454,595
Adjusted Value $546,221

Adjusted +$86,713 for 397 sqft more living space and +$4,913 for being newer. Net adjustment: +$91,626.

513 SAN MICHELLE LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
5 bed 4 bath 2,654 sqft Built 2016
Raw Value $640,482
Adjusted Value $662,979

Adjusted +$22,497 for 103 sqft more living space. Net adjustment: +$22,497.

228 CORTONA LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,857 sqft Built 2017
Raw Value $523,197
Adjusted Value $496,442

Adjusted -$21,842 for 100 sqft less living space and -$4,913 for being older. Net adjustment: -$26,755.

The Neighborhood

This home is valued 6.4% 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

typical
1,070 Properties
$511,660 Median Value
-4.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$544,377
Median
$511,660

This home is +6.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,144 across all districts. With a homestead exemption claimed, that drops to $11,311 — saving $1,833 per year. That's $943 per month a buyer should budget. The assessed value increased +11.9% vs the subdivision average of -4.3%. This above-average increase gives a protest opportunity score of 80 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Liberty Hill ISDSchool1.2389%$6,628
Williamson County MUD #12MUD0.7296%$3,903
Williamson CountyCounty0.3694%$1,977
Williamson County ESD #4 - Liberty HillESD0.0745%$399
Williamson County FM/RdCounty0.0443%$237
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$13,144
80 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $552,001 would pay approximately $3,446 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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