Skip main navigation
Closed
  • $420,000

    139 Northport Avenue, Belfast, ME 04915

    4beds
    1,600sqft
    Multi Family
    Built in 1890
    -- sqft lot
    $435,700 Zestimate®
    $263/sqft
    $1,720 Estimated rent

    Home value

    $435,700

    Estimated sales range

    Not available

    $1,720/mo

    Zestimate® history
    Loading
    Loading...

    Owner options

    List your home for rent

    $1,720/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $1,720/mo

    Rent Zestimate®

    Refinance and save

    $2,672/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $2,672/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    What's special

    Natural lightBuilt insLovely sunroomHeat pumpsCorner lotLarge windowsSpacious kitchen
    Located at the entrance to the heart of Belfast, a short and easy walk to the downtown waterfront, this wonderful 2-unit is available for the first time. Across from Waldo County General Hospital and in the campus district of Maine Health, and a convenient proximity to U.S. Rt. 1. This is a 2 family home with long term tenants. First floor offers 2-3 bedrooms, laundry room, spacious kitchen, a full and half bath, and a lovely sunroom that floods this space with sunshine. The living room features built ins; there is a sizeable office, music room or den completing this lovely space. This unit offers 2 heat pumps. There is a boiler for central heat servicing both units. The upstairs unit also offers ac with a heat pump, has a lovely large bedroom and another smaller bedroom or office. Living room is charming and offers large windows facing South for lots of natural light. Dining is just off the living room, also with built ins. A back stairway offers secondary egress. There is a large storage facility off the back stairway that could be utilized as more finished space for multiple uses. City water and sewer. This lovely building has been conscientiously maintained. Corner lot, spacious parking, detached 2 car garage.

    Zillow last checked:

    Listing updated:

    Listed by:

    United Realty

    Bought with:

    United Realty

    Source: Maine Listings,MLS#: 1631143MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 3
    • Full bathrooms: 2
    • 1/2 bathrooms: 1
    Heating
    • Baseboard, Heat Pump, Hot Water, Radiator
    Cooling
    • Heat Pump
    Features
    • 1st Floor Bedroom, Storage
    • Flooring: Carpet, Vinyl, Hardwood
    • Basement: Bulkhead,Interior Entry,Unfinished
    Interior area
    • Total structure area: 1,600
    • Total interior livable area: 1,600 sqft
    • Finished area above ground: 1,600
    • Finished area below ground: 0

    Property

    Parking
    • Total spaces: 2
    • Parking features: Gravel, 5 - 10 Spaces, On Site, Detached
    • Garage spaces: 2
    Features
    • Levels: Multi/Split
    • Stories: 2
    • Patio & porch: Porch
    Lot
    • Size: 0.72 Acres
    • Features: City Lot, Near Public Beach, Corner Lot, Level, Open Lot, Sidewalks, Landscaped
    Details
    • Additional structures: Outbuilding
    • Parcel number: BELFM032L035
    • Zoning: Res 3
    • Other equipment: Cable, Internet Access Available

    Construction

    Type & style
    • Home type: MultiFamily
    • Architectural style: New Englander
    • Property subtype: Multi Family
    Materials
    • Wood Frame, Vinyl Siding, Wood Siding
    • Foundation: Stone
    • Roof: Pitched,Shingle
    Condition
    • Year built: 1890

    Utilities & green energy

    • Electric: Circuit Breakers
    • Sewer: Public Sewer
    • Water: Public, Well
    • Utilities for property: Utilities On

    Community & HOA

    Location
    • Region: Belfast

    Financial & listing details

    • Price per square foot: $263/sqft
    • Tax assessed value: $418,300
    • Annual tax amount: $6,442
    • Date on market: 7/19/2025
    • Road surface type: Paved

    Price history

    DateEventPrice
    10/15/2025Sold$420,000-11.6%$263/sqft
    Source: Maine Listings #1631143 Report a problem
    7/21/2025Contingent$475,000$297/sqft
    Source: Maine Listings #1631143 Report a problem
    7/19/2025Listed for sale$475,000$297/sqft
    Source: Maine Listings #1631143 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2024$6,442 +12.3%$418,300 +46.6%
    2023$5,735 -3.6%$285,300 +2.6%
    2022$5,951 -2.7%$278,100
    2021$6,118 +2.5%$278,100 +8.5%
    2020$5,969 +2.4%$256,200 +0.7%
    2019$5,828 +0.9%$254,500
    2018$5,777 +3.6%$254,500
    2017$5,574 +2.4%$254,500 +7.1%
    2016$5,441 +2.2%$237,600
    2015$5,322 +3.5%$237,600
    2014$5,144 +19.6%$237,600
    2011$4,301 $237,600
    2009-- $237,600
    2008-- $237,600
    Find assessor info on the county website

    Neighborhood: 04915

    Nearby schools

    GreatSchools rating
    Get pre-qualified for a loan
    At Zillow Home Loans, we can pre-qualify you in as little as 5 minutes with no impact to your credit score.

    An equal housing lender. NMLS #10287.