Up-Down Duplex Investment Opportunity

3415 Poly Drive Billings, MT 59102

Claim this Listing
For Sale
$379,900

Income-producing duplex with fenced yard, garage, and parking pad.

Type:Duplex
Property size:
2,519 SF
Price / SF:
$150/SF
Added:
May 24, 2026
Days on Market:
50
Last Refresh:
Jul 3 at 7:36 am

Property Features for 3415 Poly Drive

General Information

Standard status
Active
Size
2,519 SF
Property subtype
Duplex

Building Details

Year Built
1955

Listing office 4 Seasons Real Estate

Listing date May 24, 2026

Source Clearwaterproperties

Displayed information is deemed reliable but is not guaranteed and should be independently verified.

All listing content including descriptions, pricing, images are the copyrighted material of 4 Seasons Real Estate


Investment Insights

Based on property information with market context.

This up-down duplex presents an investment opportunity. The upper unit includes a living area, a kitchen with outdoor access to a covered deck, two bedrooms, and a full bathroom with dual sinks, plus two additional bedrooms upstairs. The basement unit features a living area, kitchen, bathroom, bedroom, shared storage, and coin-operated laundry. Exterior features include a fenced yard with mature trees, a two-car garage, and an additional parking pad. The property is also listed as a single family. The upstairs was previously rented for $1,850 per month, and the basement tenant currently pays $850 per month. The property size is 2519 square feet.

Key Highlights

  • Income‑producing duplex with existing tenants.
  • Upper unit: 2 bedrooms, full bathroom with dual sinks, kitchen with deck access.
  • Basement unit: 1 bedroom, kitchen, bathroom, shared storage, coin‑operated laundry.

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 $34.8k $13.80
− Vacancy −$1.9k −$0.76
EGI $32.9k $13.04
− OpEx −$9.9k −$3.91
NOI $23.0k $9.13
2,519 SF · lease $13.80/SF/yr · vacancy 5.50% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$328.5K
$287.4K – $383.3K (±1% cap)
NOI $22,995 @ 7.0% cap · market cap 6.05%
Second Best
Apartment 5plus
$304.6K
$266.5K – $355.4K (±1% cap)
NOI $21,322 @ 7.0% cap · market cap 5.61%
Theoretical Best
Office A
$549.6K
$480.9K – $641.2K (±1% cap)
NOI $38,474 @ 7.0% cap · market cap 10.13%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

Electrical Service Auto Parts Store Auto Repair Shop Bakery Grocery & Convenience Store Barber Shop Plumbing Service (Bike/Boat/Book/etc) Store Restaurant Storage Facility

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

FAQs

What type of property is this?
Duplex - Income-producing duplex with fenced yard, garage, and parking pad.
Where is this duplex located?
The property is located at 3415 Poly Drive Billings, MT.
What is the asking price?
The asking price for this property is $379,900.
What are key features of this property?
This property features: Income‑producing duplex with existing tenants.; Upper unit: **2 bedrooms, full bathroom with dual sinks, kitchen with deck access.**; Basement unit: 1 bedroom, kitchen, bathroom, shared storage, coin‑operated laundry.
Contact an agent
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message