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

318 OLD BLUE MOUNTAIN LN, GEORGETOWN, TX 78633

GEORGETOWN, 78633 — williamson County

4 bed3 bath2,594 sqftBuilt 2015

Property at a Glance

This home is estimated between $646,243 and $745,471, with a best estimate of $716,211. That places the property above the G899115C-SUN CITY ECHELON 2015-CURRENT median of $703,441, in a neighborhood that appreciated 28.3% over the past year.

Estimated Value Range

$646,243 $745,471
Best Estimate
$716,211
WCAD Value
$666,355
High Confidence

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

Based on 5 comparable properties in G899115C-SUN CITY ECHELON 2015-CURRENT, this home's estimated market value is between $646,243 and $745,471. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

316 OLD BLUE MOUNTAIN LN, GEORGETOWN, TX 78633
0.01 mi 100% similar Same subdivision
3 bed 3 bath 2,353 sqft Built 2015
Raw Value $649,997
Adjusted Value $716,211

Adjusted +$66,214 for 241 sqft more living space. Net adjustment: +$66,214.

320 OLD BLUE MOUNTAIN LN, GEORGETOWN, TX 78633
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,557 sqft Built 2015
Raw Value $655,239
Adjusted Value $665,405

Adjusted +$10,166 for 37 sqft more living space. Net adjustment: +$10,166.

314 OLD BLUE MOUNTAIN LN, GEORGETOWN, TX 78633
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,791 sqft Built 2016
Raw Value $702,101
Adjusted Value $646,243

Adjusted -$54,126 for 197 sqft less living space and -$1,732 for being older. Net adjustment: -$55,858.

322 OLD BLUE MOUNTAIN LN, GEORGETOWN, TX 78633
0.03 mi 100% similar Same subdivision
3 bed 3 bath 2,353 sqft Built 2015
Raw Value $653,503
Adjusted Value $719,717

Adjusted +$66,214 for 241 sqft more living space. Net adjustment: +$66,214.

319 OLD BLUE MOUNTAIN LN, GEORGETOWN, TX 78633
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,557 sqft Built 2016
Raw Value $737,037
Adjusted Value $745,471

Adjusted +$10,166 for 37 sqft more living space and -$1,732 for being older. Net adjustment: +$8,434.

The Neighborhood

This home is valued 5.3% below the G899115C-SUN CITY ECHELON 2015-CURRENT median of $703,441. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 28.3% over the past year.

G899115C-SUN CITY ECHELON 2015-CURRENT

typical
721 Properties
$703,441 Median Value
+28.3% YoY Change
7% Have Pool
100% Have Garage
This Home
$666,355
Median
$703,441

This home is -5.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,110 across all districts. With a homestead exemption claimed, that drops to $10,399 — saving $1,711 per year. That's $867 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%$7,001
Williamson CountyCounty0.3694%$2,462
GeorgetownCity0.3530%$2,352
Williamson County FM/RdCounty0.0443%$295
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8174%$12,110

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $716,211 would pay approximately $4,471 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