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138 Diamond Avenue

Portland, ME 04109

2 beds
2 baths
1,064 sqft
871 sqft lot
$422 per sqft
1910 build
– on site

Welcome to your serene retreat at Great Diamond Island in Portland, Maine! This cozy 2-bedroom, 1.5-bath cottage is nestled in the exclusive Diamond Cove community, where summer island living comes to life. Experience the charm of island life while enjoying the tranquility of the private side of the island. One standout feature of this cottage is the screened-in porch, perfect for immersing yourself in the beauty of nature. For added convenience and fun, you can cruise around the island in your golf cart, exploring picturesque surroundings at your own pace. Dining options abound, with nearby restaurants offering a variety of culinary experiences. The Diamond Cove community provides a wealth of perks designed to enhance your island living experience. Spend a day at the swimming pool or challenge friends to a game in the bowling alley. The community also features pristine beaches and playgrounds. For the active enthusiast, the tennis and pickleball courts offer great opportunities to stay active while enjoying the beautiful surroundings. The island's location allows for easy access to the mainland, with just a short ferry ride connecting you to Portland's vibrant culture, dining, and shopping. Explore the city's rich history, indulge in local cuisine, and discover unique shops and galleries. Embrace the beauty and community of Great Diamond Island - your perfect summer getaway awaits! Whether you seek relaxation, adventure, or a little of both, this cottage and the surrounding island offer an idyllic escape from everyday life. Experience the magic of island living and create cherished memories in this special place.

Listing courtesy of MREIS / Keller Williams Realty

Last checked: Checking… • Last updated Jun 15, 2025 •

MLS# 1625665 —

The Building

Year Built:

1910
Construction Materials:

Stucco, Wood Frame
Roof:

Shingle
Basement:

Interior, Full
Door Features:

Storm Door(s)
Unit Number:

138
Direction Faces:

None
Building Features:

None
Patio And Porch Features:

Porch, Screened
Structure Type:

Duplex
# of Buildings:

1
Building Area Total:

1064.0
Building Area Source:

Public Records
Green Energy Efficient:

Water Heater, Thermostat
Double Pane Windows:

true
Window Features:

Double Pane Windows

Interior

Furnished:

Negotiable
Rooms Total:

5
Kitchen:

true
Fireplace:

true
Fireplace Features:

None
Flooring:

Wood, Tile

Room Dimensions

Living Area:

None

Financial & Terms

Land Lease:

false
Rent Includes:

None

Location

Directions:

None

The Property

Lot Features:

Well Landscaped, Sidewalks, Wooded, Abuts Conservation, Near Public Transit
Lot Size:

871 Sqft
Lot Size Area:

0.02
Lot Size Acres:

0.02
Lot Size Units:

Acres
Lot Size Source:

Public Records
Lot Size Dimensions:

None
Zoning:

11-Single Family
Property Attached:

No
View:

Trees/Woods
Current Use:

None
Possible Use:

None
Topography:

None
Exterior Features:

Tennis Court(s)
Waterfront:

false
Road Surface Type:

Paved
Road Frontage Type:

Private Road

Listing Agent

Contact info:

Taxes

Tax Year:

2024
Tax Annual Amount:

$4,117

Beds

Bedrooms Total:

2

Baths

Full Baths:

1
Three Quarter Baths:

None
Half Baths:

1
Partial Baths:

None
Quarter Baths:

None

The Listing

Virtual Tour URL Branded:

None

Heating & Cooling

Heating:

Baseboard
Heating:

true
Cooling:

false
Cooling:

None

Utilities

Electric:

Circuit Breakers
Sewer:

Septic Tank, Private Sewer
Water Source:

Public

Appliances

Appliances:

Washer, Refrigerator, Microwave, Electric Range, Dryer, Dishwasher

Schools

Elementary School:

None
Middle Or Junior School:

None
High School:

None

The Community

Subdivision Name:

Diamond Cove Homeowners Association
Spa Features:

None
Pool Private:

No
Pool Features:

In Ground
Pets Allowed:

No Restrictions
Association Amenities:

None
Association Fee Includes:

None
Association:

true
Association Fee:

796.0
Association Fee Frequency:

Monthly
# of Units In Community:

2

Parking

Garage:

false
Attached Garage:

false
Carport Spaces:

None
Parking Features:

No Driveway, On Street

Monthly cost estimate

Asking price

$450,000

Expense	Monthly cost
Mortgage	$2,409
Taxes	$343
Insurance	$123
HOA fees	$796
Utilities	$346 See report
Total	$4,017/mo.^*
	^*This is an estimate

Explore the Area

My Commute

From

Walk Score®

Provided by WalkScore® Inc.

Bike Score®

Provided by WalkScore® Inc.

Transit Score®

Provided by WalkScore® Inc.

Air Pollution Index

Provided by ClearlyEnergy

Sale history

Date	Event	Source	Price	% Change
6/12/25 Jun 12, 2025	Listed / Active	MREIS	$450,000
6/6/25 Jun 6, 2025	Delisted / Withdrawn	MREIS	$450,000

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This condo located in Great Diamond Island, Portland, ME 04109 is currently for sale for $450,000. 138 Diamond Avenue is a 1,064 square foot condo with 2 beds and 2 baths that has been on Estately for 12 days. 138 Diamond Avenue is in the Great Diamond Island neighborhood of Portland and has a WalkScore® of 13, making it car-dependent.

Listing Provided Courtesy of Keller Williams Realty

Listing data is derived in whole or in part from the Maine IDX & is for consumers' personal, non-commercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified. © 2025 Maine Real Estate Information System, Inc. All Rights Reserved. This website does not display complete Listings. Certain Listings of other real estate brokerage firms have been excluded.