Andrea O'Mahony

St. Charles MO

Alexander Realty Inc

46 Closed Sales

$20.6M Total Value

$98K - $1.8M Price Range

$447.7K Average Price

Prior 5 years

About Andrea

Originally from Kansas City I came to St. Louis via New York in 1990. After investing in real estate I decided to become a licensed REALTOR®. I also bring with me over 20 years of experience from the fashion and airline industries. I have a passion for homes and I am excited to find you the one of your dreams!

Home Types: House, Townhouse, Condo, Manufactured, Co-op, Lot/Land

Years of Experience: 11

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	2
Total Value	$568,000
Average Sale Price	$284,000
Price Range	$98K - $470K

Buyer Deals
Total Deals	5
Total Value	$4,008,900
Average Sale Price	$801,780
Price Range	$279K - $1.7M

1 Year View by Quarter

Seller Deals
Total Deals	8
Total Value	$3,367,900
Average Sale Price	$420,988
Price Range	$98K - $925K

Buyer Deals
Total Deals	12
Total Value	$7,440,000
Average Sale Price	$620,000
Price Range	$192K - $1.7M

Seller Deals
Total Deals	18
Total Value	$5,848,800
Average Sale Price	$324,933
Price Range	$98K - $925K

Buyer Deals
Total Deals	28
Total Value	$14,744,100
Average Sale Price	$526,575
Price Range	$125K - $1.8M

5 Year View

Neighborhoods Andrea is Experienced In

Andrea's Active Listings

$334,999
- 3 Beds
- 4 Baths
- 1,742 Sq Ft
3174 Canal St

Saint Charles, MO
Charming New Town Beach District home featuring 3 bedrooms, 2 full baths, and 2 half baths, with a versatile finished lower level that can serve as a third bedroom, guest suite, home office, or additional living space. The main level offers hardwood flooring, an updated kitchen with granite countertops, stainless steel appliances, kitchen refrigerator included, a large center island. Upstairs,

Andrea O'Mahony Alexander Realty Inc

Recently Sold

$465,000

Sold May 8, 2026

Last List Price
- 3 Beds
- 2 Baths
- 1,820 Sq Ft
200 Copper Stone Ct

Wentzville, MO
- $255/SF
- 17 Days On Market
Andrea O'Mahony Alexander Realty Inc

$96,900

Sold Oct 8, 2025

Last List Price
- 2 Beds
- 1 Bath
- 868 Sq Ft
12114 Natural Bridge Rd

Unit F

Bridgeton, MO
- $112/SF
- 33 Days On Market
- Current Est. Value $99K
Andrea O'Mahony Alexander Realty Inc

Price Undisclosed

Sold May 28, 2025
- 3 Beds
- 2.5 Baths
- 2,892 Sq Ft
201 Timberidge Dr

Saint Peters, MO
- 2 Days On Market
- Current Est. Value $375K
Andrea O'Mahony Alexander Realty Inc

Price Undisclosed

Sold Apr 29, 2025
- 3 Beds
- 2 Baths
- 1,140 Sq Ft
3628 Coriander Dr

Saint Charles, MO
- 28 Days On Market
- Current Est. Value $286K
Andrea O'Mahony Alexander Realty Inc

Price Undisclosed

Sold Dec 18, 2024
- 3 Beds
- 1.5 Baths
- 1,008 Sq Ft
121 Roland Ave

Ballwin, MO
- 1 Day On Market
- Current Est. Value $268K
Andrea O'Mahony Alexander Realty Inc

Price Undisclosed

Sold Dec 11, 2024
- 4 Beds
- 4.5 Baths
- 3,445 Sq Ft
718 Kenmare Ct

Dardenne Prairie, MO
- 150 Days On Market
- Current Est. Value $698K
Andrea O'Mahony Alexander Realty Inc

Price Undisclosed

Sold Jul 24, 2024
- 3 Beds
- 2 Baths
- 2,303 Sq Ft
11 Briarwood Ln

Saint Charles, MO
- 1 Day On Market
- Current Est. Value $339K
Andrea O'Mahony Alexander Realty Inc

Price Undisclosed

Sold Dec 8, 2023
- 3 Beds
- 2 Baths
- 1,860 Sq Ft
1102 Castle Pines Dr

Saint Peters, MO
- 21 Days On Market
- Current Est. Value $360K
Andrea O'Mahony Alexander Realty Inc

Price Undisclosed

Sold Jul 19, 2023
- 2 Beds
- 2.5 Baths
- 1,434 Sq Ft
331 Heritage Commons Cir

O Fallon, MO
- 2 Days On Market
- Current Est. Value $247K
Andrea O'Mahony Alexander Realty Inc

Other Experience

First Time Home Buyers, Investments, Luxury Homes, Military Families, New Construction, Senior Communities, Short Sales, Veteran Programs

Andrea O'Mahony

(636) 224-3656

Andrea O'Mahony

About Andrea

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Andrea is Experienced In

Andrea's Listings and Deals

Andrea's Active Listings

Recently Sold

Other Experience