Marsha DeCosta

Tim Dunham Realty

9 Years of Experience

(184)

$12.8M

Total Sales Last Year

Years of Experience

Recent TransactionsTransactions from the last 3 years

$437.6K

Average Price Point

Service Areas

Alna, ME Bailey Island, ME Bath, ME Boothbay Harbor, ME Boothbay, ME Bowdoin, ME Bowdoinham, ME Bremen, ME Bristol, ME Brunswick, ME Chamberlain, ME Coopers Mills, ME Cumberland Foreside, ME Cushing, ME Damariscotta, ME Dresden, ME Durham, ME East Boothbay, ME Edgecomb, ME Farmingdale, ME Freeport, ME Friendship, ME Gardiner, ME Georgetown, ME Hallowell, ME Harpswell, ME Isle Of Springs, ME Jefferson, ME Lisbon Falls, ME Lisbon, ME Litchfield, ME Long Island, ME Monmouth, ME New Harbor, ME Newcastle, ME Nobleboro, ME North Yarmouth, ME Orrs Island, ME Pemaquid, ME Phippsburg, ME Port Clyde, ME Pownal, ME Randolph, ME Richmond, ME Round Pond, ME Sabattus, ME Sebasco Estates, ME South Bristol, ME South Freeport, ME South Gardiner, ME South Thomaston, ME Southport, ME Spruce Head, ME Tenants Harbor, ME Thomaston, ME Topsham, ME Trevett, ME Waldoboro, ME Walpole, ME Warren, ME Washington, ME West Boothbay Harbor, ME Whitefield, ME Windsor, ME Wiscasset, ME Woolwich, ME Yarmouth, ME

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About Marsha DeCosta

Having the right real estate agent means having an agent who is committed to helping you buy or sell your home with the highest level of expertise in your local market. This also means assisting you in understanding each step of the buying or selling process. This commitment level has helped me build a remarkable track record of delivering results.

Nothing is more rewarding to me than the feeling I get from helping people meet their real estate needs. You can count on me to always do what's in your best interest. I pride myself on being honest, trustworthy, and knowledgeable in the real estate market. I know how important it is to find your dream home or get the best offer for your property. Therefore I will make it my responsibility to help you achieve these goals.

Whether you are an experienced investor or a first time buyer, I can help you in finding the property of your dreams. Please let me guide you by calling or e-mailing me to set up an appointment.

Credentials

LICENSE

Real Estate - Maine - # BR925618

Designation

Broker

Specialties

Sellers
Buyers
Residential Property

Awards

2026
TOP 25 AGENT
Maine
2026
TOP AGENT
Wiscasset, ME
2026
TOP AGENT
Dresden, ME

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Marsha DeCosta's Reviews & Ratings

184 Reviews

(5/5)

Note: Reviews may include other agents on their team

What clients say about this agent....

Responsive
Communicative
Professional
Knowledgeable
Attentive
Trustworthy
Outstanding
Available Remotely
Hard working
Excellent negotiator

Brassard487

Review for Member: Marsha DeCosta

December 19, 2025

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

Marsha provided outstanding support throughout the entire buying process, ensuring our awareness of every detail that required our consideration. Her experience in representing buyers was evident as she was regularly looking out for our best interest and providing her seasoned guidance at every cross road in the process. Her knowledge of and attention to every detail was exceptional and very much appreciated! We will be utilizing Marsha in helping us sell our departure residence and highly recommend her for any real estate transaction.

David A.

Review for Member: Marsha DeCosta

December 12, 2025

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

Marsha was amazing! We were moving from out-of-state. She helped us understand various areas, took us on virtual showings and genuinely had our needs and interests at heart throughout. She quickly understood what we were looking for, and made the entire process thorough yet easy. We couldn't have asked for more.

Foxpass120

Review for Member: Marsha DeCosta

November 3, 2025

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

This was our first time selling a house so having an experienced realtor was important to us. Marshas guidance through this challenging process was so helpful, especially as we negotiated the various aspects of the sale, that we felt we were working as a team rather than as client and broker. From the beginning, with the excellent photography and presentation on the website, through the closing Marsha was a consummate professional and we would highly recommend her to anyone who wants to sell or buy a property.

Erin W.

Review for Member: Marsha DeCosta

November 2, 2025

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

Look no further! Marsha has the skills, knowledge and endless patience to help you navigate one of the biggest decisions in life. We interviewed several agents to help us sell our home and I knew within minutes that Marsha was the right fit. She is incredibly gracious and easy to talk to and bonus...has a wonderful sense of humor! Her local knowledge and years of experience were clear from the start, as she explained the process thoroughly and patiently, never getting flustered when I asked the same questions multiple times. Selling our beautiful home was one of the most difficult decisions we've made and I needed an agent who personally understood the emotional aspects of the process and could gently guide us along the roller coaster. Marsha was always available and responsive and always professional, but with that personal touch that made any conversation easy and enjoyable. We sold our home seamlessly with her expert guidance and are now looking for our next place with her assistance. I cannot recommend Marsha highly enough!

Rcfrazier85

Review for Member: Marsha DeCosta

October 14, 2025

Local Knowledge

Process Expertise

Responsiveness

Negotiation skills

ZillowVERIFIED

Marsha helped us navigate the home selling process as we had never sold a house before. She answered all my questions, gave her expert opinion and explained every step to us.