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421 GRANITE ROCK LN, GEORGETOWN, TX 78628

GEORGETOWN, 78628 — williamson County

3 bed3 bath2,338 sqftBuilt 2018

Property at a Glance

This home is estimated between $497,661 and $637,550, with a best estimate of $517,380. That places the property below the G226616B - WOLF RANCH median of $643,825, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$497,661 $637,550
Best Estimate
$517,380
WCAD Value
$493,845
High Confidence

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

Based on 5 comparable properties in G226616B - WOLF RANCH, this home's estimated market value is between $497,661 and $637,550. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4228 MERCER RD, GEORGETOWN, TX 78628
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,059 sqft Built 2017
Raw Value $470,555
Adjusted Value $542,848

Adjusted +$72,293 for 279 sqft more living space. Net adjustment: +$72,293.

413 GRANITE ROCK LN, GEORGETOWN, TX 78628
0.02 mi 94% similar Same subdivision
3 bed 2 bath 2,310 sqft Built 2017
Raw Value $490,406
Adjusted Value $497,661

Adjusted +$7,255 for 28 sqft more living space. Net adjustment: +$7,255.

425 GRANITE ROCK LN, GEORGETOWN, TX 78628
0.01 mi 94% similar Same subdivision
3 bed 2 bath 2,240 sqft Built 2018
Raw Value $612,157
Adjusted Value $637,550

Adjusted +$25,393 for 98 sqft more living space. Net adjustment: +$25,393.

409 GRANITE ROCK LN, GEORGETOWN, TX 78628
0.03 mi 91% similar Same subdivision
3 bed 2 bath 2,092 sqft Built 2017
Raw Value $449,804
Adjusted Value $513,546

Adjusted +$63,742 for 246 sqft more living space. Net adjustment: +$63,742.

4104 MERCER RD, GEORGETOWN, TX 78628
0.03 mi 91% similar Same subdivision
3 bed 2 bath 2,083 sqft Built 2017
Raw Value $451,306
Adjusted Value $517,380

Adjusted +$66,074 for 255 sqft more living space. Net adjustment: +$66,074.

The Neighborhood

This home is valued 23.3% below the G226616B - WOLF RANCH median of $643,825. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

G226616B - WOLF RANCH

below average
671 Properties
$643,825 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$493,845
Median
$643,825

This home is -23.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,827 across all districts. With a homestead exemption claimed, that drops to $10,178 — saving $1,649 per year. That's $848 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
Georgetown ISDSchool1.0506%$5,188
Williamson County MUD #28MUD0.5775%$2,852
Williamson CountyCounty0.3694%$1,824
GeorgetownCity0.3530%$1,743
Williamson County FM/RdCounty0.0443%$219
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3949%$11,827

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $517,380 would pay approximately $3,229 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 4/17/2026.

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