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    Portland Duplex with Attic Potential Title is generated by Realmo AI

    605 Washington Avenue, Portland, ME 04103

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    For Sale
    $625,000

    MULTI_FAMILY - Other - Portland, ME

    Property size:
    2,612 SF
    Lot size:
    0.16 Acres
    Price / SF:
    $239/SF
    Added:
    May 8, 2026
    Days on Market:
    38
    Last Refresh:
    Jun 14 at 3:06 am

    Property Features for 605 Washington Avenue

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Zoning
    RN3
    Bathrooms
    2
    Rooms
    Bathroom 1, Basement, Bathroom 2
    Parking features
    Off Street
    Patio and Porch features
    Deck, Porch
    Interior features
    Bathtub, Shower
    Fencing
    Fenced
    Basement
    Full, Unfinished
    Standard status
    Active
    Size
    2,612 SF
    Lot size
    0.16 Acres

    Taxes and HOA fees

    Tax Year
    2024
    Tax Annual Amount
    7522

    Utilities

    Sewer type
    Public Sewer
    Heating system
    Natural Gas, Hot Water(Heating)
    Water source
    Public

    Building Details

    Year built
    1905
    Number of units
    2
    Flooring type
    Laminate, Carpet
    Building materials
    Wood Frame, Aluminum Siding, Vinyl Siding
    Roof type
    Shingle
    Architectural style
    Other

    We can help!

    Listing Contact
    Karen Edgcombe

    Listing agent Karen Edgcombe

    Listing office Maine Real Estate Co 685 US Route 1, Scarborough, ME

    Listing date May 8, 2026

    MLS# 1635440 Listing URL

    Copyright © 2026 Maine Listings. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Two 4‑bedroom/1‑bath units on Portland’s Washington Ave; each unit is 1,000+ SF with large bedrooms and flexible living/dining layouts
    • Full walk‑up attic with two existing staircases offers potential for an additional unit or expanded living space (buyer to verify with the City of Portland)
    • Full basement includes blown insulation, washer/dryer hookups, and two newer natural gas wall‑hung boilers
    • Nearly completely fenced lot with off‑street parking available
    • Year built: 1905; roof is shingle
    • Public water and public sewer; exterior includes aluminum and vinyl siding with wood frame construction

    Overview

    This property on Washington Ave in Portland, ME, presents an investment opportunity with two spacious 4-bedroom, 1-bath units. Each apartment offers over 1,000 square feet of living space, featuring large bedrooms, flexible living/dining layouts, and classic period details. A full walk-up attic, accessible by two existing staircases, offers potential for an additional unit or expanded living space, subject to buyer verification with the City of Portland. The full basement provides storage and utilities, including blown insulation, two newer natural gas wall-hung boilers, and washer/dryer hookups. The garage is in fair condition and provides extra storage. The property includes off-street parking on a nearly completely fenced-in lot. Located in-town, it is close to restaurants, coffee shops, transit options, and parks. A bus stop is conveniently located outside the Washington Avenue entrance. The property is located on a 0.16-acre lot and has 2,612 square feet of space. The property is zoned RN3.

    Local Financial Insights For Multifamily LT 5

    Simulate Cap Rate and NOI

    NOI Build-Up
    Vacancy
    income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
    EGI (Effective Gross Income)
    gross rent minus vacancy losses — the realistic income before paying operating costs.
    OpEx (Operating Expenses)
    recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
    NOI (Net Operating Income)
    income a property generates after operating costs but before financing and taxes.

    Component $ $/SF
    Gross rent $70.5k $27.00
    − Vacancy −$4.6k −$1.76
    EGI $65.9k $25.25
    − OpEx −$19.8k −$7.57
    NOI $46.2k $17.67
    2,612 SF · lease $27.00/SF/yr · vacancy 6.50% · expense 30.00%

    Alternative Uses

    Best Use
    Multifamily LT 5
    $659.4K
    $577.0K – $769.3K (±1% cap)
    NOI $46,158 @ 7.0% cap · market cap 7.39%
    Second Best
    Apartment 5plus
    $613.5K
    $536.8K – $715.7K (±1% cap)
    NOI $42,943 @ 7.0% cap · market cap 6.87%
    Theoretical Best
    Office A
    $717.9K
    $628.2K – $837.6K (±1% cap)
    NOI $50,254 @ 7.0% cap · market cap 8.04%
    Zoning and permitted uses should be independently verified with local authorities.
    Property Profile Location Intelligence

    Current Use by Public Records

    Duplexes

    Suggested Use

    Real Estate Agency Dental Office Spa & Massage Center Hair Salon Restaurant Nail Salon Building Supply Daycare Center Auto Repair Shop Skin Care Clinic

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Portland
    County
    Cumberland
    State
    Maine
    Longitude
    -70.261042
    Latitude
    43.682396

    FAQs

    What type of property is this?
    Duplex - Investment opportunity: spacious units, attic potential, convenient location.
    Where is this duplex located?
    The property is located at 605 Washington Avenue Portland, ME.
    What is the asking price?
    The asking price for this property is $625,000.
    What are key features of this property?
    This property features: Two 4‑bedroom/1‑bath units on Portland’s Washington Ave; each unit is 1,000+ SF with large bedrooms and flexible living/dining layouts; Full walk‑up attic with two existing staircases offers potential for an additional unit or expanded living space (buyer to verify with the City of Portland); Full basement includes blown insulation, washer/dryer hookups, and two newer natural gas wall‑hung boilers
    More about this property
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