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423 GUADALUPE RIVER LN, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

5 bed4 bath2,377 sqftBuilt 2017

Property at a Glance

This home is estimated between $589,503 and $778,769, with a best estimate of $717,092. That places the property above the L499513B - Parkside at Mayfield Ranch - Highland median of $696,375, in a neighborhood that declined 11.7% over the past year.

Estimated Value Range

$589,503 $778,769
Best Estimate
$717,092
WCAD Value
$868,338
High Confidence

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

Based on 5 comparable properties in L499513B - Parkside at Mayfield Ranch - Highland, this home's estimated market value is between $589,503 and $778,769. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

501 GUADALUPE RIVER LN, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,000 sqft Built 2016
Raw Value $615,207
Adjusted Value $717,092

Adjusted +$104,734 for 377 sqft more living space and -$2,849 for being older. Net adjustment: +$101,885.

108 LADY BIRD CV, GEORGETOWN, TX 78628
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,110 sqft Built 2014
Raw Value $713,140
Adjusted Value $778,769

Adjusted +$74,175 for 267 sqft more living space and -$8,546 for being older. Net adjustment: +$65,629.

505 GUADALUPE RIVER LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
5 bed 4 bath 2,521 sqft Built 2016
Raw Value $715,939
Adjusted Value $673,086

Adjusted -$40,004 for 144 sqft less living space and -$2,849 for being older. Net adjustment: -$42,853.

104 LADY BIRD CV, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
5 bed 4 bath 2,167 sqft Built 2014
Raw Value $708,490
Adjusted Value $758,284

Adjusted +$58,340 for 210 sqft more living space and -$8,546 for being older. Net adjustment: +$49,794.

424 GUADALUPE RIVER LN, GEORGETOWN, TX 78628
0.03 mi 100% similar Same subdivision
4 bed 4 bath 2,772 sqft Built 2016
Raw Value $702,087
Adjusted Value $589,503

Adjusted -$109,735 for 395 sqft less living space and -$2,849 for being older. Net adjustment: -$112,584.

The Neighborhood

This home is valued 24.7% above the L499513B - Parkside at Mayfield Ranch - Highland median of $696,375. With 176 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 11.7% over the past year.

L499513B - Parkside at Mayfield Ranch - Highland

above average
176 Properties
$696,375 Median Value
-11.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$868,338
Median
$696,375

This home is +24.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,222 across all districts. With a homestead exemption claimed, that drops to $16,540 — saving $1,682 per year. That's $1,378 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%$9,438
Parkside at Mayfield Ranch MUDMUD0.3775%$3,278
Williamson CountyCounty0.3694%$3,208
Austin Community Collegespecial0.1034%$898
Williamson County ESD #9 - Round RockESD0.0999%$868
Williamson County FM/RdCounty0.0443%$385
Upper Brushy Creek WCIDWater0.0170%$148
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0985%$18,222

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $717,092 would pay approximately $4,476 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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