Tammy Mueller

Tammy Mueller

  •   5   (9 reviews)

Tammy's sales performance at a glance

See how Tammy has performed in the last 12 months on RateMyAgent*

5
Reviews
3
Properties for sale
17
Sold properties
$276k
Average sale price
$5.1m
Total sales value

*Includes all properties sold (last 12 months) where the agent was a part of the transaction and published on ratemyagent.com. It may not be complete and can exclude off-market, private sales and undisclosed pricing and sold dates. Contact agent for full sales history.

  • priceExpertbadge

    Consistently meets client expectations for property purchase price.

About Tammy

Tammy is a Real Estate Agent at Realty ONE Group Trifecta | O'Fallon. They have 9 verified reviews with an average rating of 5 stars. They currently have 3 active property listings and 17 sold property listings over the past 12 months worth $5,115,052.

Tammy's reviews

  5  
Tammy has 9 reviewsacross 6 different locations, showing 6.
Review Tammy
Seller review
Tammy is an outstanding agent who has helped us multiple times. Diligent and professional.
3 months ago
Tammy is an outstanding agent who has helped us multiple times. Diligent and professional.

Our family has had the privilege of knowing Tammy for several years, and she has handled multiple real estate transactions for us to date. She is knowledgeable about the market, is an excellent communicator, and has led us through some challenging issues, both when selling and buying. I would highly recommend Tammy to anyone who needs a real estate agent!

Buyer review
Great communicator, knowledgeable and professional
7 months ago
Great communicator, knowledgeable and professional

Tammy is fantastic! Always professional, knowledgeable, and responsive, she has helped us with multiple real estate transactions, and I would recommend her to anyone who's looking for a realtor that can guide them through all facets of the buying or selling process.

Buyer review
So helpful
10 months ago
So helpful

Tammy was very helpful in finding properties and providing feedback in an area that we are not familiar with. We relied on her to help with locating good neighborhoods that met our needs. She was able to recommend resources for everything from the inspectors to plumbers, electricians, exterior or any others that may be needed.

Buyer review
Wonderful experience
about 1 year ago
Wonderful experience

Tammy brings extensive knowledge. She helped my family find a home I wasn't sure existed. She went above to find exactly what we needed and then made the entire process simple and quick. She had answers and options for all of my questions and concerns. Above all she cared about my family and finding the perfect home. I am so grateful for everything she did. I highly recommend Tammy if you are buying or selling. She is truly the best.

Show all 9 reviews
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Tammy's properties

Tammy has 3 properties for sale and sold 17 properties in the last 12 months, showing 4, sorted by most recent activity

For Sale
$174,900
111 Sycamore Street
Old Monroe MO 63369
2
1
1
Single-Family
Listing courtesy of Realty ONE Group Trifecta | O'Fallon
SoldOct 27, 2026
Price not available
1808 Cherry Tree Drive
St. Peters MO 63376
2
1
2
Single-Family
Listing courtesy of Realty ONE Group Trifecta | O'Fallon and Civitas Real Estate Services
SoldOct 15, 2026
Price not available
110 Riverfrost Court
St. Paul MO 63366
4
3
3
Single-Family
Listing courtesy of Real Broker LLC and Realty ONE Group Trifecta | O'Fallon
SoldSep 28, 2026
Price not available
601 Big Timber Ln
O'Fallon MO 63368
3
2
2
Single-Family
Listing courtesy of Realty ONE Group Trifecta | O'Fallon and REMAX Results | St Louis
Show all 20 properties

Tammy's sold properties

Tammy has sold 17 properties in the past 12 months, showing 4.

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Property imageAddressBedroomsBathroomsCarparksProperty TypeClosing PriceDate Sold
1808 Cherry Tree Drive, St. Peters, MO, 63376
1808 Cherry Tree Drive
St. Peters MO 63376
2
1
2
Single-FamilyUndisclosed PriceOct 27, 2026
110 Riverfrost Court, St. Paul, MO, 63366
110 Riverfrost Court
St. Paul MO 63366
4
3
3
Single-FamilyUndisclosed PriceOct 15, 2026
601 Big Timber Ln, O'Fallon, MO, 63368
601 Big Timber Ln
O'Fallon MO 63368
3
2
2
Single-FamilyUndisclosed PriceSep 28, 2026
C/1387 Hampton Road, St. Charles, MO, 63303
C/1387 Hampton Road
St. Charles MO 63303
3
4
1
TownhouseUndisclosed PriceSep 18, 2026

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