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421 GROSSETO LN, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

5 bed3 bath1,423 sqftBuilt 2011

Property at a Glance

This home is estimated between $403,042 and $559,473, with a best estimate of $493,624. 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

$403,042 $559,473
Best Estimate
$493,624
WCAD Value
$532,748
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 $403,042 and $559,473. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

417 GROSSETO LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
5 bed 3 bath 1,192 sqft Built 2012
Raw Value $484,554
Adjusted Value $530,096

Adjusted +$50,455 for 231 sqft more living space and -$4,913 for being older. Net adjustment: +$45,542.

425 GROSSETO LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,855 sqft Built 2011
Raw Value $587,982
Adjusted Value $493,624

Adjusted -$94,358 for 432 sqft less living space. Net adjustment: -$94,358.

416 GROSSETO LN, GEORGETOWN, TX 78628
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,475 sqft Built 2012
Raw Value $575,744
Adjusted Value $559,473

Adjusted -$11,358 for 52 sqft less living space and -$4,913 for being older. Net adjustment: -$16,271.

408 GROSSETO LN, GEORGETOWN, TX 78628
0.05 mi 100% similar Same subdivision
4 bed 2 bath 1,551 sqft Built 2013
Raw Value $472,222
Adjusted Value $434,437

Adjusted -$27,958 for 128 sqft less living space and -$9,827 for being older. Net adjustment: -$37,785.

405 GROSSETO LN, GEORGETOWN, TX 78628
0.06 mi 100% similar Same subdivision
4 bed 3 bath 1,855 sqft Built 2012
Raw Value $502,313
Adjusted Value $403,042

Adjusted -$94,358 for 432 sqft less living space and -$4,913 for being older. Net adjustment: -$99,271.

The Neighborhood

This home is valued 4.1% 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
$532,748
Median
$511,660

This home is +4.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,088 across all districts. With a homestead exemption claimed, that drops to $11,256 — saving $1,832 per year. That's $938 per month a buyer should budget. The assessed value increased +5.4% vs the subdivision average of -4.3%. This above-average increase gives a protest opportunity score of 64 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Liberty Hill ISDSchool1.2389%$6,600
Williamson County MUD #12MUD0.7296%$3,887
Williamson CountyCounty0.3694%$1,968
Williamson County ESD #4 - Liberty HillESD0.0745%$397
Williamson County FM/RdCounty0.0443%$236
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$13,088
64 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $493,624 would pay approximately $3,081 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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