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420 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

4 bed3 bath3,594 sqftBuilt 2018

Property at a Glance

This home is estimated between $697,449 and $1,081,428, with a best estimate of $748,372. 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

$697,449 $1,081,428
Best Estimate
$748,372
WCAD Value
$750,967
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 $697,449 and $1,081,428. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

424 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 3,704 sqft Built 2017
Raw Value $716,562
Adjusted Value $697,449

Adjusted -$24,026 for 110 sqft less living space and +$4,913 for being newer. Net adjustment: -$19,113.

428 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,293 sqft Built 2016
Raw Value $787,436
Adjusted Value $1,081,428

Adjusted +$284,165 for 1,301 sqft more living space and +$9,827 for being newer. Net adjustment: +$293,992.

412 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,079 sqft Built 2017
Raw Value $630,973
Adjusted Value $748,372

Adjusted +$112,486 for 515 sqft more living space and +$4,913 for being newer. Net adjustment: +$117,399.

417 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.04 mi 100% similar Same subdivision
4 bed 3 bath 2,925 sqft Built 2018
Raw Value $604,493
Adjusted Value $750,616

Adjusted +$146,123 for 669 sqft more living space. Net adjustment: +$146,123.

421 RANCHO SIENNA LOOP, GEORGETOWN, TX 78628
0.04 mi 100% similar Same subdivision
4 bed 3 bath 3,304 sqft Built 2018
Raw Value $658,438
Adjusted Value $721,780

Adjusted +$63,342 for 290 sqft more living space. Net adjustment: +$63,342.

The Neighborhood

This home is valued 46.8% 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
$750,967
Median
$511,660

This home is +46.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,450 across all districts. With a homestead exemption claimed, that drops to $16,576 — saving $1,874 per year. That's $1,381 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%$9,304
Williamson County MUD #12MUD0.7296%$5,479
Williamson CountyCounty0.3694%$2,774
Williamson County ESD #4 - Liberty HillESD0.0745%$559
Williamson County FM/RdCounty0.0443%$333
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$18,450

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $748,372 would pay approximately $4,671 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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