Beta Williamson County, TX only — data and coverage are limited during early access.

313 ALABASTER CAVERNS DR, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

4 bed3 bath2,196 sqftBuilt 2015

Property at a Glance

This home is estimated between $448,955 and $629,077, with a best estimate of $605,672. That places the property above the L498610C - PARKSIDE AT MAYFIELD RANCH median of $567,434, in a neighborhood that declined 5.9% over the past year.

Estimated Value Range

$448,955 $629,077
Best Estimate
$605,672
WCAD Value
$588,648
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in L498610C - PARKSIDE AT MAYFIELD RANCH, this home's estimated market value is between $448,955 and $629,077. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

309 ALABASTER CAVERNS DR, GEORGETOWN, TX 78628
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,087 sqft Built 2017
Raw Value $600,190
Adjusted Value $623,216

Adjusted +$29,397 for 109 sqft more living space and -$6,371 for being older. Net adjustment: +$23,026.

305 ALABASTER CAVERNS DR, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,024 sqft Built 2017
Raw Value $589,059
Adjusted Value $629,077

Adjusted +$46,389 for 172 sqft more living space and -$6,371 for being older. Net adjustment: +$40,018.

321 ALABASTER CAVERNS DR, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,406 sqft Built 2015
Raw Value $543,008
Adjusted Value $486,371

Adjusted -$56,637 for 210 sqft less living space. Net adjustment: -$56,637.

612 GARNER PARK DR, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,146 sqft Built 2015
Raw Value $592,187
Adjusted Value $605,672

Adjusted +$13,485 for 50 sqft more living space. Net adjustment: +$13,485.

616 GARNER PARK DR, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,246 sqft Built 2015
Raw Value $462,440
Adjusted Value $448,955

Adjusted -$13,485 for 50 sqft less living space. Net adjustment: -$13,485.

The Neighborhood

This home is valued 3.7% above the L498610C - PARKSIDE AT MAYFIELD RANCH median of $567,434. With 936 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.9% over the past year.

L498610C - PARKSIDE AT MAYFIELD RANCH

typical
936 Properties
$567,434 Median Value
-5.9% YoY Change
0% Have Pool
100% Have Garage
This Home
$588,648
Median
$567,434

This home is +3.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,353 across all districts. With a homestead exemption claimed, that drops to $10,722 — saving $1,631 per year. That's $894 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
Leander ISDSchool1.0869%$6,398
Parkside at Mayfield Ranch MUDMUD0.3775%$2,222
Williamson CountyCounty0.3694%$2,175
Austin Community Collegespecial0.1034%$609
Williamson County ESD #9 - Round RockESD0.0999%$588
Williamson County FM/RdCounty0.0443%$261
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0985%$12,353

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $605,672 would pay approximately $3,781 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.

View full property details