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508 SAN MARCO TRL, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

3 bed2 bath2,850 sqftBuilt 2017

Property at a Glance

This home is estimated between $474,084 and $597,201, with a best estimate of $491,568. 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

$474,084 $597,201
Best Estimate
$491,568
WCAD Value
$474,540
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 $474,084 and $597,201. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

504 SAN MARCO TRL, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
2 bed 2 bath 2,289 sqft Built 2017
Raw Value $474,667
Adjusted Value $597,201

Adjusted +$122,534 for 561 sqft more living space. Net adjustment: +$122,534.

512 SAN MARCO TRL, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
4 bed 3 bath 3,158 sqft Built 2015
Raw Value $549,014
Adjusted Value $491,568

Adjusted -$67,273 for 308 sqft less living space and +$9,827 for being newer. Net adjustment: -$57,446.

500 SAN MARCO TRL, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,996 sqft Built 2017
Raw Value $510,762
Adjusted Value $478,873

Adjusted -$31,889 for 146 sqft less living space. Net adjustment: -$31,889.

120 RUFFINO LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
2 bed 2 bath 2,290 sqft Built 2017
Raw Value $474,758
Adjusted Value $597,073

Adjusted +$122,315 for 560 sqft more living space. Net adjustment: +$122,315.

516 SAN MARCO TRL, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,266 sqft Built 2016
Raw Value $560,034
Adjusted Value $474,084

Adjusted -$90,863 for 416 sqft less living space and +$4,913 for being newer. Net adjustment: -$85,950.

The Neighborhood

This home is valued 7.3% below the I450610C - RANCHO SIENNA median of $511,660. That positions it competitively for buyers comparing within the neighborhood. 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
$474,540
Median
$511,660

This home is -7.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,658 across all districts. With a homestead exemption claimed, that drops to $9,836 — saving $1,822 per year. That's $820 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%$5,879
Williamson County MUD #12MUD0.7296%$3,462
Williamson CountyCounty0.3694%$1,753
Williamson County ESD #4 - Liberty HillESD0.0745%$354
Williamson County FM/RdCounty0.0443%$210
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$11,658

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $491,568 would pay approximately $3,068 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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