Tammy Mueller Real Estate Agent - Realty One Group Trifecta

1808 Cherry Tree St, Saint Peters, MO Pending $285,000 - co-listed by Tammy Mueller — Pending $285,000 • Co-Listing Agent

Tammy Mueller co-listing agent for 165 Widgeon Ln, Foley, MO - sold for $225,000 — Sold • Co-Listing Agent

3318 Havenbrook Dr, Saint Louis, MO Under Contract $225,000 - co-listed by Tammy Mueller — Under Contract $225,000 • Co-Listing Agent

Tammy Mueller buyer's agent for 1525 N 4th St, Saint Charles, MO - sold for $235,000 — Sold

501 Oxborough Ct, Saint Peters, MO For Sale $589,000 - listed by Tammy Mueller — For Sale $589,000

Tammy Mueller

Responds Quickly

O'Fallon MO

Realty One Group Trifecta

37 Closed Sales

$10.2M Total Value

$172K - $705K Price Range

$275K Average Price

Prior 5 years

About Tammy

Home Types: House, Lot/Land, Townhouse, Condo, Manufactured

Years of Experience: 9

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	12
Total Value	$3,543,000
Average Sale Price	$295,250
Price Range	$110K - $705K

Buyer Deals
Total Deals	6
Total Value	$2,035,800
Average Sale Price	$339,300
Price Range	$230K - $470K

1 Year View by Quarter

Seller Deals
Total Deals	18
Total Value	$4,968,777
Average Sale Price	$276,043
Price Range	$105K - $705K

Buyer Deals
Total Deals	7
Total Value	$2,290,800
Average Sale Price	$327,257
Price Range	$230K - $470K

Seller Deals
Total Deals	25
Total Value	$6,825,777
Average Sale Price	$273,031
Price Range	$65K - $705K

Buyer Deals
Total Deals	12
Total Value	$3,348,300
Average Sale Price	$279,025
Price Range	$56K - $470K

5 Year View

Areas Tammy is Experienced In

Tammy's Listings and Deals

Tammy's Active Listings

$589,000
- 4 Beds
- 3.5 Baths
- 3,700 Sq Ft
501 Oxborough Ct

Saint Peters, MO
THIRD TIMES THE CHARM! —and this turn-key Cottleville beauty is back on the market purely due to buyer-side hiccups, through no fault of the home or sellers!The previous contracts simply fell victim to unusual timing (a pet limit constraint for the first buyer, and a second buyer walking away over minor maintenance without giving the sellers a chance to address them).That means you

Tammy Mueller Realty One Group Trifecta

Co-Listing Agent

$285,000

Pending
- 2 Beds
- 1 Bath
- 1,104 Sq Ft
1808 Cherry Tree St

Saint Peters, MO
Charming all-brick home on nearly 0.5 acres with NO HOA! Perfect for first-time buyers or downsizers wanting space and independence. Features a massive open-concept layout with a large granite center island and a double-sized primary bedroom for ultimate comfort. Out back, enjoy a composite deck complete with an accessible ramp. Upgraded with Anderson 100 Series single-hung windows. Outdoor

Tammy Mueller Realty One Group Trifecta

Co-Listing Agent

$225,000

Under Contract
- 4 Beds
- 1.5 Baths
- 1,361 Sq Ft
3318 Havenbrook Dr

Saint Louis, MO
GET READY TO FALL IN LOVE! This classic, brick-and-siding beauty is packed with personality, modern perks, and the curb appeal is effortless elegance with a welcoming blank canvas ready for your personal touch. From the moment you arrive, brand-new front and back entry doors welcome you into a space that feels fresh, refined, and totally ready for its next chapter.Step inside to crisp,

Tammy Mueller Realty One Group Trifecta

Recently Sold

$299,000

Sold Jul 27, 2026

Last List Price
- 3 Beds
- 2.5 Baths
- 1,375 Sq Ft
618 Fair Bluff Dr

Wentzville, MO
- 64 Days On Market
- $217/SF
- Current Est. Value $297K
Tammy Mueller Realty One Group Trifecta

$699,000

Sold May 8, 2026

Last List Price
- 4 Beds
- 3.5 Baths
- 3,640 Sq Ft
101 Winterbrooke Ct

Saint Charles, MO
- 28 Days On Market
- $192/SF
- Current Est. Value $710K
Tammy Mueller Realty One Group Trifecta

$379,700

Sold Nov 14, 2025

Last List Price
- 3 Beds
- 3 Baths
- 2,554 Sq Ft
113 Stage Coach Landing Dr

Saint Peters, MO
- 89 Days On Market
- $149/SF
- Current Est. Value $368K
Tammy Mueller Realty One Group Trifecta

$296,000

Sold Oct 3, 2025

Last List Price
- 2 Beds
- 3 Baths
- 1,258 Sq Ft
16507 Rain Forest Dr

Ballwin, MO
- 15 Days On Market
- $235/SF
- Current Est. Value $305K
Tammy Mueller Realty One Group Trifecta

Price Undisclosed

Sold Mar 3, 2025
- 3 Beds
- 1 Bath
- 1,444 Sq Ft
2500 Hedgerow Dr

Florissant, MO
- 36 Days On Market
- Current Est. Value $182K
Tammy Mueller Realty One Group Trifecta

Price Undisclosed

Sold May 3, 2024
- 3 Beds
- 2 Baths
- 1,352 Sq Ft
199 Twin Creek Rd

Winfield, MO
- 38 Days On Market
Tammy Mueller Realty One Group Trifecta

Price Undisclosed

Sold Sep 15, 2022
- 3 Beds
- 2 Baths
- 1,386 Sq Ft
1000 Sweet River Dr

O Fallon, MO
- 25 Days On Market
- Current Est. Value $355K
Tammy Mueller Realty One Group Trifecta

Price Undisclosed

Sold Sep 12, 2022
- 4 Beds
- 2.5 Baths
- 2,100 Sq Ft
4112 Providence Dr

Saint Charles, MO
- 0 Days On Market
- Current Est. Value $435K
Tammy Mueller Realty One Group Trifecta

Price Undisclosed

Sold Sep 1, 2022
- 3 Beds
- 2 Baths
- 1,758 Sq Ft
108 Groton Dr

Wentzville, MO
- 2 Days On Market
- Current Est. Value $384K
Tammy Mueller Realty One Group Trifecta

Other Experience

First Time Homebuyers, Investments, Military Families, Veteran's Programs, Senior Communities, Short Sales, Luxury Homes, New Construction, Property Management, Distressed Properties, Foreclosures, Timeshares

Frequently Asked Questions

Who is Tammy Mueller, and what is their real estate background?

How many homes has Tammy Mueller sold in O'Fallon, MO?

What is Tammy Mueller's track record representing buyers?

What is Tammy Mueller's track record as a listing agent?

What areas does Tammy Mueller serve?

How can I contact Tammy Mueller?

Tammy Mueller

(636) 428-3751

Responds Quickly

(636) 428-3751

Nearby Homes

Tammy Mueller

About Tammy

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

Areas Tammy is Experienced In

Tammy's Listings and Deals

Tammy's Active Listings

Recently Sold

Other Experience

Frequently Asked Questions

Who is Tammy Mueller, and what is their real estate background?

How many homes has Tammy Mueller sold in O'Fallon, MO?

What is Tammy Mueller's track record representing buyers?

What is Tammy Mueller's track record as a listing agent?

What areas does Tammy Mueller serve?

How can I contact Tammy Mueller?