Des Peres MO Homes and Real Estate - Coldwell Banker Gundaker Mark Gamache

Mark Gamache

Coldwell Banker Realty - Gundaker

636.236.7962

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Reviews on Zillow

"Mark Gamache is simply the very best agent EVER! He is knows his field, is prompt, honest, ethical and works very hard to have everything go just ... more "

5.0/5.0

by katgirl111

"Mark was very helpful and professional throughout our entire first-time home buying experience. He was timely in all our correspondence and provided ... more "

5.0/5.0

by jennifer vincent416

"We met Mark last year, he stuck with us until we found the right home for our needs! Very professional, knowledgeable and fun to be around. He ... more "

5.0/5.0

by zuser20170608164330610

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Get a positive, helpful partner for buying or selling a home:

Trusted resource for answers about the process

Innovative marketing strategies

Expertise about neighborhood features

Ability to target home searches

Strong negotiation skills

Support through the closing and beyond

Recent Sales

Featured picture for the property 26025828

$625,000

Unincorporated, MO

beds

baths

Featured picture for the property 26003695

$294,900

Frontenac, MO

beds

baths

Featured picture for the property 24068218

$349,900

Ballwin, MO

beds

baths

Featured picture for the property 24040932

$309,989

Ballwin, MO

beds

baths

View More Sales

Where to begin?! Mark has been extremely responsive, communicative, considerate of our wants and needs, and fluent throughout our process. He helped us sell our first home and find our forever home. He listened to our must haves, promised, and delivered. He is extremely honest, and thorough, and has your best interest in mind. With his expertise, and help, we had quick …

-Katie May, Client

Mark’s knowledge and experience made us feel confident in the process and his guidance. He was always available and provided thoughtful answers to our questions. We would absolutely work with Mark again and highly recommend him!

-Stephanie Hill, Client

There's not enough my husband and I can say about Mark. We started working with him in 2017 to find our first home. Three years, numerous houses, and many miles later we have found the perfect place for our family. Mark never wavered or complained when life changed our budget and home search location. His exceptional knowledge always brought us comfort. Every detail …

-Mallory and Jon Fox, Client

Great service... helped step in while I was 600 miles away. Mark is extremely knowledgeable...... after going through 3 real estate agents Mark was by far the best I have ever had pleasure doing business with. He set me up with an extremely fast mortgage team and within 30 days my house was closed

-Mike Hummer, Client

Returning customer here for Mark’s services! Mark is extremely responsive and very easy to work with. Mark is a knowledgeable agent and I would recommend his services.

-Jennifer Vincent, Client

Listings courtesy of Mid-America Regional Information Systems as distributed by MLS GRID. Based on information submitted to the MLS GRID as of Oct 19, 2026 1:58:am. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

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Recent Sales

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Communities Served