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Two-Unit Condo with ADU Potential

1 Firefly Street Portland, ME 04101

For Sale

$679,998

MULTI_FAMILY - Contemporary - Portland, ME

Property size:

965 SF

Lot size:

4.04 Acres

Price / SF:

$704.66/SF

For Sale

$679,998

MULTI_FAMILY - Contemporary - Portland, ME

Property size:

965 SF

Lot size:

4.04 Acres

Price / SF:

$704.66/SF

Added:: Jul 1, 2026
Days on Market:: 14
Last Refresh:: Jul 14 at 4:06 am

Property Features for 1 Firefly Street

General Information

Property type: Residential Multi Family
Property subtype: Other
Property condition: Under Construction
Zoning: RN-1
Bathrooms: 2
Rooms: Bathroom 2, Basement, Bathroom 1
Parking features: Other
Interior features: Elevator Passenger
Basement: Full, Finished, Daylight
Accessibility: Accessible Elevator Installed
Standard status: Active
Size: 965 SF
Lot size: 4.04 Acres

Taxes and HOA fees

Tax Year: 2026
Tax Annual Amount: 8144

Utilities

Sewer type: Public Sewer
Heating system: Electric (Heating), Heat Pump (Heating)
Cooling system: Heat Pump
Water source: Public

Building Details

Year built: 2026
Number of units: 2
Flooring type: Vinyl
Building materials: Wood Frame, Other Exterior
Roof type: Membrane
Architectural style: Contemporary

Listing agent William Van Wickler

Listing office Keller Williams Realty 383 US Route 1 Suite 2, Portland, ME

Listing date Jul 1, 2026

MLS# 1643879 Listing URL

Investment Insights

Based on property information with market context.

This is a two-unit property featuring a three-bedroom, one-bathroom condo with 656 square feet and a detached accessory dwelling unit (ADU) with 353 square feet. The layout allows the ADU to function as an independent studio apartment suitable for short-term or long-term rental income, a guest suite, or multi-generational living. The homes offer open spaces, modern kitchens, stylish baths, in-unit laundry, and heat pumps for year-round comfort. Elevator access is available to all levels. Parking is available for purchase. Community amenities include a fitness center, co-working lounge, bike storage, EV charging provisions, and direct access to Portland Trails. Located on Congress Street, the property is near downtown Portland, I-295, I-95, Stroudwater Park, Fore River, USM, Rock Row, and the Jetport. Estimated occupancy is Fall 2026. The property is part of the Stroudwater Commons condo community. The lot size is 4.04 acres. The property is zoned RN-1. The total property size is 965 square feet.

Key Highlights

Two units included: a 3‑bedroom condo (656 sq. ft.) and a detached ADU (353 sq. ft.).
Versatile ADU ideal for rental income (short‑term or long‑term), guest suite, or multigenerational living.
Enjoy modern amenities: sleek kitchen, stylish bath, in‑unit laundry, efficient heat pumps, and elevator access.

Property Analytics

Location Intelligence

Current Use by Public Records

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For sale
Duplexes
ME
Portland
04101
1 Firefly Street

What type of property is this?

Duplex - Modern two-unit condo with flexible ADU, ideal for investors.

Where is this duplex located?

The property is located at 1 Firefly Street Portland, ME.

What is the asking price?

The asking price for this property is $679,998.

What are key features of this property?

This property features: Two units included: a 3‑bedroom condo (656 sq. ft.) and a detached ADU (353 sq. ft.).; Versatile ADU ideal for rental income (short‑term or long‑term), guest suite, or multigenerational living.; Enjoy modern amenities: sleek kitchen, stylish bath, in‑unit laundry, efficient heat pumps, and elevator access.

1 Firefly Street Portland, ME 04101

MULTI_FAMILY - Contemporary - Portland, ME

Property Features for 1 Firefly Street

General Information

Taxes and HOA fees

Utilities

Building Details

Investment Insights

Key Highlights

Property Analytics

Current Use by Public Records

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