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

 Your Local Real Estate Connection

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 25030311

$439,900

OFallon, MO

beds

baths

Featured picture for the property 25019093

$234,900

St Louis, MO

beds

baths

Featured picture for the property 24068218

$349,900

Ballwin, MO

beds

baths

Featured picture for the property 24031029

$375,000

St Louis, MO

beds

baths

View More Sales

Mark did a great job of educating us and guiding us through the entire process of listing and selling our home. He took care of all the details and we ended up selling at full list price in just 5 days. We are extremely pleased with the service, market knowledge and guidance Mark provided!

-O'Connell, Client

Mark was extremely resourceful and knowledgeable and made my first home purchase experience go smoothly all the way through closing! His years of expertise in the greater St. Louis area gave me peace of mind and I would certainly recommend using Mark for all your real estate needs! He will make you feel comfortable and always has your best interest in mind. Purchasing a …

-James Cummings, Client

We came across many hurdles in the sale of our property. Mark was right there, helping us get through it. Mark is very professional and knowledgable. From beginning to end, Marks works with you to get everything done efficiently.

-Heather Kartal, Client

I had the pleasure of working with Mark Gamache on the sale of my home, and I couldn’t be more satisfied with the experience. From the very beginning, he was incredibly knowledgeable, responsive, and attentive to my needs. He took the time to explain every step of the process and always made me feel confident in my decisions. Mark went above and beyond to ensure …

-Nicole Baxter, Client

I would highly recommend using Mark Gamache of Coldwell Banker-Gundaker as he went above and beyond my expectations. Mark was professional, knowledgeable, and thorough and was extremely accessible throughout the entire selling process. He expertly analyzed my property and the market and obtained a full price offer in less than one day! Absolutely amazing work by an …

-John Goggio, Client

Listings courtesy of Mid-America Regional Information Systems as distributed by MLS GRID. Based on information submitted to the MLS GRID as of Jul 27, 2026 11:51: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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