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 25059378

$649,900

Town and Country, MO

beds

baths

Featured picture for the property 25030311

$439,900

OFallon, MO

beds

baths

Featured picture for the property 24048850

$225,000

St Charles, MO

beds

baths

Featured picture for the property 24009498

$249,900

Barnhart, MO

beds

baths

View More Sales

Mark is great to work with! He helped coach us along in the process of selling our first home and buying our forever home. He was extremely responsive and always had our best interest.

-Christine Finocchio, Client

My aunt contracted with Mark to sell her home of 35 years. We worked together to get the sale across the finish line in a difficult situation, and Mark knew some great contractors to get the necessary work complete on time.

-Jen Schauble, Client

Mark was awesome! I was a first time home buyer and he made the process easier by far! I had no idea at the beginning how much went into buying a home. Mark talked me through everything. He gave a ton of reassurance. He is always so positive and flexible. The market moves quick and Mark was on top of it, all the time with listings and getting in showings. I …

-Nicole Barron, Client

Mark was extremely responsive at every phase of the process. Of special note is the amazing and persistent troubleshooting activities Mark performed relating to a technical difficulty (HOA insurance verification) encountered during the purchase of new residence which threatened to postpone closing day. Mark was very professional yet relentless in clearing the hurdles …

-Karen Harper, Client

I believe that Mark's pricing strategy helped my house sell for well over asking price. I can only speak for myself, but if you are interested in selling your home, I would highly recommend Mark.

-Theresa McRee, Client

Listings courtesy of Mid-America Regional Information Systems as distributed by MLS GRID. Based on information submitted to the MLS GRID as of Sep 11, 2026 3:05:pm. 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