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641 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

4 bed3 bath2,459 sqftBuilt 2016

Property at a Glance

This home is estimated between $485,379 and $652,805, with a best estimate of $498,958. That places the property below the I450610C - RANCHO SIENNA median of $511,660, in a neighborhood that declined 4.3% over the past year.

Estimated Value Range

$485,379 $652,805
Best Estimate
$498,958
WCAD Value
$543,375
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 $485,379 and $652,805. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

645 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,952 sqft Built 2018
Raw Value $551,893
Adjusted Value $652,805

Adjusted +$110,739 for 507 sqft more living space and -$9,827 for being older. Net adjustment: +$100,912.

637 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,330 sqft Built 2018
Raw Value $478,020
Adjusted Value $496,369

Adjusted +$28,176 for 129 sqft more living space and -$9,827 for being older. Net adjustment: +$18,349.

440 PIENZA DR, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,382 sqft Built 2017
Raw Value $487,053
Adjusted Value $498,958

Adjusted +$16,818 for 77 sqft more living space and -$4,913 for being older. Net adjustment: +$11,905.

649 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,484 sqft Built 2018
Raw Value $538,706
Adjusted Value $523,418

Adjusted -$5,461 for 25 sqft less living space and -$9,827 for being older. Net adjustment: -$15,288.

633 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,376 sqft Built 2018
Raw Value $477,077
Adjusted Value $485,379

Adjusted +$18,129 for 83 sqft more living space and -$9,827 for being older. Net adjustment: +$8,302.

The Neighborhood

This home is valued 6.2% 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
$543,375
Median
$511,660

This home is +6.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,349 across all districts. With a homestead exemption claimed, that drops to $11,515 — saving $1,834 per year. That's $960 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%$6,732
Williamson County MUD #12MUD0.7296%$3,964
Williamson CountyCounty0.3694%$2,007
Williamson County ESD #4 - Liberty HillESD0.0745%$405
Williamson County FM/RdCounty0.0443%$241
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$13,349

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $498,958 would pay approximately $3,114 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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