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Marsha Decosta

Marsha Decosta
Real Estate Agent (Broker)
Wiscasset ME

Broker (ME: BR925618)

REALTOR® 4 Active Listings Serves Lincoln County, ME
View on Realtor.com

Contact Information

Brokerage
Tim Dunham Realty
Office Address
45 Federal St
Wiscasset, ME  04578
(Lincoln County)
Office Phone
207-882-5020
Office Fax
Mobile
207-380-9970
Email
mars**@************.com
Show Email for $5
Website

Service Areas

Alna: ME Woolwich: ME West Bath: ME Arrowsic: ME Phippsburg: ME Bath: ME Boothbay: ME Isle Of Springs: ME Capitol Island: ME Boothbay Harbor: ME Bowdoin: ME Bowdoinham: ME Bremen: ME Medomak: ME Bristol: ME Birch Island: ME Mere Point: ME Brunswick Station: ME Brunswick: ME Cundys Harbor: ME Saint George: ME Friendship: ME Cushing: ME Damariscotta: ME Dresden: ME Durham: ME East Boothbay: ME Edgecomb: ME Chelsea: ME Farmingdale: ME Pownal: ME South Freeport: ME Freeport: ME Pittston: ME West Gardiner: ME Gardiner: ME MacMahan: ME Georgetown: ME Hallowell: ME South Harpswell: ME Harpswell: ME Lisbon: ME New Harbor: ME Newcastle: ME Nobleboro: ME Pemaquid: ME Sebasco Estates: ME Randolph: ME Richmond: ME Round Pond: ME South Gardiner: ME Newagen: ME Southport: ME Topsham: ME Pejepscot: ME Trevett: ME Waldoboro: ME West Boothbay Harbor: ME Whitefield: ME Coopers Mills: ME Wiscasset: ME Westport Island: ME Tenants Harbor: ME Port Clyde: ME Somerville: ME Jefferson: ME

About Marsha Decosta

Marsha DeCosta is a distinguished Realtor with deep roots in the Boothbay and Wiscasset regions. Since joining Tim Dunham Realty in 2017, she has prioritized building relationships founded on trust, loyalty, and integrity.

Over the past six years, Marsha has proven her expertise in guiding families through the process of finding their ideal homes and successfully selling their properties. Her commitment to excellence is reflected in over 100 positive reviews, highlighting her meticulous attention to detail and compassionate approach.

To date, Marsha has facilitated more than $48 million in real estate transactions, assisting over 175 families from both Maine and beyond. Her growing reputation as one of the leading Realtors in Midcoast Maine is underscored by the accolades she receives from satisfied clients.

Recognized for her dedication and hard work, Marsha was honored with the 2021 President’s Award from Tim Dunham Realty. She currently holds the position of President of the Lincoln County Council of the Mountain to Shore Board of Realtors and serves on the Board of Directors for both the Maine Association of Realtors (MAR) and the Mountains to Shore Board of Realtors (MSBOR).

In addition to her extensive real estate expertise, Marsha collaborates with a network of professionals, including photographers, stagers, mortgage brokers, bankers, inspectors, and title companies, ensuring a seamless and successful transaction for her clients.

For those looking to buy or sell a property, Marsha DeCosta stands out as a dedicated real estate professional who makes the experience both effective and enjoyable.

Lincoln County, ME Real Estate Market Analysis (Single Family Homes)

$759,453
Avg. Listing Price
From Marsha's portfolio
3.2 / 2.2
Avg. Beds/Baths
Typical property size
2,092 sf
Avg. Square Footage
Interior living space
151
Active Listings
Current inventory

Lincoln County, Maine represents one of the state's most distinctive coastal real estate markets, stretching along the midcoast region from the Kennebec River to Muscongus Bay. This scenic county encompasses charming seaside communities like Boothbay Harbor, Damariscotta, and Wiscasset, where historic maritime culture meets modern waterfront living demands. The market here operates with remarkable efficiency despite its rural character, supported by exactly 129 actively licensed real estate agents who maintain complete digital connectivity with 129 agents having email addresses.

What sets Lincoln County apart is its unique blend of year-round residents, seasonal homeowners, and retirees seeking quintessential Maine coastal experiences. Properties range from historic sea captains' homes in Bath to modern waterfront estates in Southport, creating diverse price points that attract both first-time buyers and luxury investors. The market shows surprising resilience during economic fluctuations, largely due to the county's appeal as both a primary residence destination and vacation home market.

Major Lincoln County, Maine Real Estate Markets

The Boothbay Peninsula dominates luxury waterfront sales, with Boothbay Harbor serving as the crown jewel for high-end coastal properties. This region attracts buyers from major metropolitan areas seeking authentic Maine experiences, driving premium prices for homes with deepwater access and panoramic ocean views. Meanwhile, the Damariscotta-Newcastle corridor has emerged as a year-round residential hub, offering more affordable options while maintaining easy access to coastal amenities.

Wiscasset, known as "Maine's Prettiest Village," anchors the western portion of the county with its Federal-style architecture and Sheepscot River waterfront. The eastern communities of Waldoboro and Jefferson provide more rural, inland opportunities that appeal to buyers seeking privacy and larger acreage at competitive prices. Each submarket operates with distinct seasonal patterns, creating complex timing considerations for transactions.

Market Dynamics and Geographic Complexity

Lincoln County's real estate market exhibits fascinating seasonal volatility, with spring and summer months generating nearly 70% of annual transaction volume. This concentration creates intense competition periods followed by quieter winter months when serious year-round buyers can find better negotiating opportunities. The county's geography, featuring numerous peninsulas and islands accessible only by boat, adds complexity that requires agents with specialized local knowledge.

Surprisingly, the market has shown increasing interest from younger demographics seeking remote work opportunities, challenging the traditional retiree-focused buyer profile. Properties with high-speed internet capability now command premiums, while fixer-uppers in desirable locations attract renovation-minded buyers. The limited inventory typical of Maine coastal markets means that well-priced properties often receive multiple offers within days of listing.

Why Businesses Need Lincoln County, Maine Agent Contact Data

Real estate service providers, from home inspectors to mortgage brokers, require direct access to Lincoln County's complete agent network to capitalize on the market's concentrated activity periods. With all 129 agents maintaining email communication, businesses can efficiently coordinate time-sensitive transactions during peak summer months when properties move quickly. This comprehensive connectivity becomes crucial for vendors serving the county's geographically dispersed communities.

Financial services companies and real estate technology providers particularly benefit from complete agent contact databases, enabling targeted outreach for specialized coastal property tools and services. Given the market's seasonal nature and high average transaction values, establishing relationships with the entire agent network maximizes business opportunities throughout varying market cycles and geographic segments.

Current Property Listings

As of 2/17/2026, Marsha Decosta has 4 properties for sale in Wiscasset and surrounding areas.

$1,200,000

Listed 2025-10-15

96 Forest Haven Rd
Boothbay, ME  04537

Beds: 3.0
Baths: 1.5
Sq Ft: 1,300
Lot: 261,360 sf
Single Family Map
View Full Details

$550,000

Listed 2026-01-02

24 Penny Ln
Jefferson, ME  04348

Beds: 3.0
Baths: 2.0
Sq Ft: 2,428
Lot: 387,684 sf
Single Family Map
View Full Details

$200,000

Listed 2026-01-27

23 Penny Ln
Jefferson, ME  04348

Beds: 2.0
Baths: 1.0
Sq Ft: 1,482
Lot: 60,984 sf
Single Family Map
View Full Details

$230,000

Listed 2026-01-13

102 Rita Way Unit 102
Brunswick, ME  04011

Beds: 2.0
Baths: 1.0
Sq Ft: 810
Lot: 85,813 sf
Condos Map
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Current Property Rentals

Marsha Decosta currently has no rental properties available in Wiscasset and surrounding areas. Check back later.