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512 SAN MARCO TRL, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

4 bed3 bath3,158 sqftBuilt 2015

Property at a Glance

This home is estimated between $530,182 and $808,848, with a best estimate of $531,986. 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

$530,182 $808,848
Best Estimate
$531,986
WCAD Value
$549,014
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 $530,182 and $808,848. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

508 SAN MARCO TRL, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,850 sqft Built 2017
Raw Value $474,540
Adjusted Value $531,986

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

516 SAN MARCO TRL, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 3,266 sqft Built 2016
Raw Value $560,034
Adjusted Value $531,532

Adjusted -$23,589 for 108 sqft less living space and -$4,913 for being older. Net adjustment: -$28,502.

116 RUFFINO LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,351 sqft Built 2016
Raw Value $637,496
Adjusted Value $808,848

Adjusted +$176,265 for 807 sqft more living space and -$4,913 for being older. Net adjustment: +$171,352.

600 SAN MARCO TRL, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,801 sqft Built 2016
Raw Value $556,921
Adjusted Value $629,984

Adjusted +$77,976 for 357 sqft more living space and -$4,913 for being older. Net adjustment: +$73,063.

511 SAN MARCO TRL, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,012 sqft Built 2017
Raw Value $508,120
Adjusted Value $530,182

Adjusted +$31,889 for 146 sqft more living space and -$9,827 for being older. Net adjustment: +$22,062.

The Neighborhood

This home is valued 7.3% 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
$549,014
Median
$511,660

This home is +7.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,488 across all districts. With a homestead exemption claimed, that drops to $11,652 — saving $1,836 per year. That's $971 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%$6,802
Williamson County MUD #12MUD0.7296%$4,006
Williamson CountyCounty0.3694%$2,028
Williamson County ESD #4 - Liberty HillESD0.0745%$409
Williamson County FM/RdCounty0.0443%$243
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.4568%$13,488

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $531,986 would pay approximately $3,321 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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