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    Three-Unit Residential Income Property Title is generated by Realmo AI

    3123 SE 31st Ave, Portland, OR 97202

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    Claim this Listing
    For Sale
    $840,000

    MULTI_FAMILY - Portland, OR

    Property size:
    3,046 SF
    Lot size:
    0.09 Acres
    Price / SF:
    $275/SF
    Added:
    Aug 31, 2025
    Days on Market:
    288
    Last Refresh:
    Jun 14 at 9:06 pm

    Property Features for 3123 SE 31st Ave

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Zoning
    R5
    Bedrooms
    6
    Bathrooms
    4
    Rooms
    Bedroom 1, Bedroom 5, Bathroom 1, Bathroom 2, Bedroom 6, Bathroom 4, Bedroom 4, Bedroom 3, Bathroom 3, Bedroom 2
    Standard status
    Active
    APN
    R298853
    Size
    3,046 SF
    Lot size
    0.09 Acres

    Taxes and HOA fees

    Tax Description
    WAVERLEIGH HTS, BLOCK 19, N 43' OF LOT 10&11
    Tax Annual Amount
    9257

    Utilities

    Heating system
    Zoned, Forced Air

    Building Details

    Year built
    1912
    Floors in Building
    3
    Number of units
    3
    Roof type
    Composition

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    Listing Contact
    Kathryn King
    Kathryn King

    Listing agent Kathryn King License #971100115

    Listing office KJK Properties PC 13343 SE Stark St., Suite 200, Portland, OR

    Listing date Aug 31, 2025

    MLS# 289396741 Listing URL

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

    HighLights

    • Charming plex built in 1912 with zoned forced‑air heating and a composition roof
    • Updated roof plus separate electrical meters
    • All units share water, sewer, and garbage service
    • Grand front porch and stately common entrance
    • Inviting shared yard
    • Attached garage currently rented with Unit C

    Overview

    This three-unit residential income property includes multiple units arranged within a single plex configuration. The roof has been updated, and the property features separate electrical meters. While electrical is separately metered, all units share water, sewer, and garbage. There is also an inviting shared yard, a grand front porch, and a stately common entrance, supporting a well-presented property environment. An attached garage is currently rented with Unit C.

    The property is located at 3123 SE 31st Ave in Portland, Oregon, within Multnomah County. The site totals 0.09 acres and has a listed total size of 3,046 square feet. The listing is for sale under R5 zoning.

    For investors or owner-occupants, the setup of separate electrical meters alongside shared utilities can simplify operational management compared to fully separate utility systems. The yard and common entrance areas contribute to tenant experience, while the attached garage associated with Unit C provides an additional income component as described in the offering. Comprehensive financial records are available per the listing remarks.

    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 $67.6k $22.20
    − Vacancy −$4.4k −$1.44
    EGI $63.2k $20.76
    − OpEx −$19.0k −$6.23
    NOI $44.3k $14.53
    3,046 SF · lease $22.20/SF/yr · vacancy 6.50% · expense 30.00%

    Alternative Uses

    Best Use
    Multifamily LT 5
    $632.3K
    $553.2K – $737.6K (±1% cap)
    NOI $44,258 @ 7.0% cap · market cap 5.27%
    Second Best
    Apartment 5plus
    $587.1K
    $513.7K – $684.9K (±1% cap)
    NOI $41,095 @ 7.0% cap · market cap 4.89%
    Theoretical Best
    Office A
    $726.7K
    $635.9K – $847.8K (±1% cap)
    NOI $50,868 @ 7.0% cap · market cap 6.06%
    Zoning and permitted uses should be independently verified with local authorities.
    Property Profile Location Intelligence

    Current Use by Public Records

    Triplexes

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Daycare Center

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

    Location Insight

    • Map
    • Local Demand
    City
    Portland
    County
    Washington
    State
    Oregon
    Longitude
    -122.633811
    Latitude
    45.500111

    FAQs

    What type of property is this?
    Triplex - Three-unit property with updated roof and separate electrical meters, offering shared water, sewer, and garbage service.
    Where is this triplex located?
    The property is located at 3123 SE 31st Ave Portland, OR.
    What is the asking price?
    The asking price for this property is $840,000.
    What are key features of this property?
    This property features: Charming plex built in 1912 with zoned forced‑air heating and a composition roof; Updated roof plus separate electrical meters; All units share water, sewer, and garbage service
    More about this property
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