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 26030737

$237,000

St Charles, MO

beds

baths

Featured picture for the property 26008363

$364,900

Unincorporated, MO

beds

baths

Featured picture for the property 24048850

$225,000

St Charles, MO

beds

baths

Featured picture for the property 23049965

$289,900

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

To say that Mark was fantastic is an understatement. Mark is extremely professional, knowledgeable and helpful. Mark is extremely quick to reply to all phone calls, emails and text messages. He made the sale of our house seamless! I will be using him for the purchase of my new home and 10/10 recommend him to everyone!

-Lindsey Little, Client

Mark did a great job helping us purchase our new home. He kept us informed and answered our questions in a timely manner. He made himself available after hours when we needed answers to our questions the most! Thanks!

-Bob Brinkman, Client

Mark is Fantastic! He is very trustworthy and he is very professional in every step of the process. He communicates in a timely manner and very efficiently. He knows the market extremely well. He is very open to listening to all of your ideas and concerns. And, he is great with a solid marketing and execution plan for the sale of your house. He, also handled many …

-Cindy Monaghan, 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

Listings courtesy of Mid-America Regional Information Systems as distributed by MLS GRID. Based on information submitted to the MLS GRID as of Jul 7, 2026 5:11: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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