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

128 MOCKINGBIRD LN, GEORGETOWN, TX 78633

GEORGETOWN, 78633 — williamson County

3 bed2 bath1,700 sqftBuilt 1984

Property at a Glance

This home is estimated between $358,808 and $648,652, with a best estimate of $418,402. That places the property below the G730590D - North Lake median of $597,120, in a neighborhood that appreciated 5.3% over the past year.

Estimated Value Range

$358,808 $648,652
Best Estimate
$418,402
WCAD Value
$617,170
High Confidence

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

Based on 5 comparable properties in G730590D - North Lake, this home's estimated market value is between $358,808 and $648,652. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

127 MOCKINGBIRD LN, GEORGETOWN, TX 78633
0.06 mi 100% similar Same subdivision
3 bed 2 bath 1,408 sqft Built 1985
Raw Value $405,413
Adjusted Value $433,685

Adjusted +$84,556 for 292 sqft more living space and -$4,044 for being older and -$52,240 for no garage. Net adjustment: +$28,272.

183 VALLEY VIEW RD, GEORGETOWN, TX 78633
0.06 mi 100% similar Same subdivision
3 bed 2 bath 1,538 sqft Built 1983
Raw Value $649,937
Adjusted Value $648,652

Adjusted +$46,911 for 162 sqft more living space and +$4,044 for being newer and -$52,240 for no garage. Net adjustment: -$1,285.

129 MOCKINGBIRD LN, GEORGETOWN, TX 78633
0.06 mi 100% similar Same subdivision
3 bed 2 bath 1,790 sqft Built 1985
Raw Value $448,038
Adjusted Value $365,692

Adjusted -$26,062 for 90 sqft less living space and -$4,044 for being older and -$52,240 for no garage. Net adjustment: -$82,346.

116 MOCKINGBIRD LN, GEORGETOWN, TX 78633
0.07 mi 100% similar Same subdivision
3 bed 2 bath 2,169 sqft Built 1996
Raw Value $595,390
Adjusted Value $358,808

Adjusted -$135,811 for 469 sqft less living space and -$48,531 for being older and -$52,240 for no garage. Net adjustment: -$236,582.

137 MOCKINGBIRD LN, GEORGETOWN, TX 78633
0.09 mi 100% similar Same subdivision
3 bed 2 bath 1,204 sqft Built 1985
Raw Value $331,057
Adjusted Value $418,402

Adjusted +$143,629 for 496 sqft more living space and -$4,044 for being older and -$52,240 for no garage. Net adjustment: +$87,345.

The Neighborhood

This home is valued 3.4% above the G730590D - North Lake median of $597,120. With 441 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 5.3% over the past year.

G730590D - North Lake

typical
441 Properties
$597,120 Median Value
+5.3% YoY Change
5% Have Pool
75% Have Garage
This Home
$617,170
Median
$597,120

This home is +3.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,601 across all districts. With a homestead exemption claimed, that drops to $8,016 — saving $1,585 per year. That's $668 per month a buyer should budget. The assessed value increased +18.4% vs the subdivision average of +5.3%. This above-average increase gives a protest opportunity score of 90 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$6,484
Williamson CountyCounty0.3694%$2,280
Williamson County ESD #8 - GeorgetownESD0.0912%$563
Williamson County FM/RdCounty0.0443%$274
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5556%$9,601
90 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $418,402 would pay approximately $2,612 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