Duplex with Attached
For Sale
$500,000
331 & 333 N Quarry Street, Columbus, MT 59019
MULTI_FAMILY - Columbus, MT
Property Size2,464 SF
Lot Size0.17 Acres
Price / SF$202.92
Days on Market25
Property Features for 331 & 333 N Quarry Street
General Information
Property type
Residential Multi Family
Property subtype
Other
Bedrooms
7
Full bathrooms
4
Rooms
Bathroom 2, Bedroom 2, Bedroom 5, Bedroom 7, Bathroom 1, Bathroom 3, Bathroom 4, Bedroom 4, Bedroom 6, Bedroom 1, Bedroom 3
Parking
5
Parking features
Open
Patio and Porch features
Patio, Deck
Exterior features
Fence, Storage
Fencing
Fenced
Subdivision
Mountain View Add
Lot features
Corner Lot, Landscaped
Elementary school
Columbus
Middle school
Columbus
High school
Columbus
Standard status
Active
APN
30030
Size
2,464 SF
Lot size
0.17 Acres
Taxes and HOA fees
Tax Description
MOUNTAIN VIEW ADD (COLUMBUS), S21, T02 S, R20 E, BLOCK 1, Lot 21 - 23, & LOT 20 AMENDED PL 336034
Tax Annual Amount
3000
Legal Description
MOUNTAIN VIEW ADD (COLUMBUS), S21, T02 S, R20 E, BLOCK 1, Lot 21 - 23, & LOT 20 AMENDED PL 336034
Utilities
Sewer type
Public Sewer
Heating system
Radiant, Natural Gas, Electric (Heating)
Cooling system
Wall Unit(s)
Water source
Public
Building Details
Year built
1978
Floors in Building
1
Number of units
2
Roof type
Metal
Additional Structures
Storage
Listing Agency:
Parks Real Estate
(406) 322-4115
Listed By:
Jill Exner · License #RRE-BRO-LIC-32240
(406) 321-0832
Added: Jul 7
Changed: Jul 28
Last Checked: Jul 31 at 10:06AM
MLS# 360492
Copyright © 2026 Billings Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This duplex offers two separate homes on one parcel, providing a live-in-and-rent layout. The main home features 5 bedrooms and 3 bathrooms, with an updated kitchen, newer flooring, fresh paint, and main floor laundry. It also includes an attached 2-car garage, fenced backyard, newer metal roof, and a patio. Basement bedrooms are not egress.
The second home includes 2 bedrooms and 1 bathroom, along with an additional garage. A long-term tenant is currently in place.
Both homes are being sold together and cannot be sold separately.
The second home includes 2 bedrooms and 1 bathroom, along with an additional garage. A long-term tenant is currently in place.
Both homes are being sold together and cannot be sold separately.
Key Highlights
- Two‑home property built in 1978—live in one and rent the other (long‑term tenant in place in second home)
- Main home: 5 bedrooms, 3 bathrooms, updated kitchen, newer flooring, fresh paint, and main‑floor laundry
- Main home has an attached 2‑car garage, fenced backyard, deck and patio, and newer metal roof
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 | $34.0k | $13.80 |
| − Vacancy | −$1.9k | −$0.76 |
| EGI | $32.1k | $13.04 |
| − OpEx | −$9.6k | −$3.91 |
| NOI | $22.5k | $9.13 |
2,464 SF · lease $13.80/SF/yr · vacancy 5.50% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$321.3K
$281.2K – $374.9K
NOI $22,493 @ 7.0% cap · market cap 4.50%
Second Best
Apartment 5plus
$298.0K
$260.7K – $347.6K
NOI $20,857 @ 7.0% cap · market cap 4.17%
Theoretical Best
Office A
$537.6K
$470.4K – $627.2K
NOI $37,634 @ 7.0% cap · market cap 7.53%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Location Intelligence
Trade Area within ½ mile
263
Businesses Nearby
Explore this area
Business Placement
Demographics for 59019, MT
4,047
Population
1,905
Households
2.1
Avg Household Size
46
Median Age
27%
College-Educated
92%
High-School Grad
306.8 sq mi
ZIP Area
13
Density / Sq Mi
$86,905
Median Household Income
$42,813
Median Earnings
$921
Median Rent
$352,900
Median Home Value
Market
Vacancy Rate% for Multifamily in West region
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.
Frequently Asked Questions
What type of property is this?
Duplex - Two connected residential units include updated interiors, fenced outdoor space, and attached garages on a single lot.
Where is this duplex located?
The property is located at 331 & 333 N Quarry Street Columbus, MT.
What is the asking price?
The asking price for this property is $500,000.
What are key features of this property?
This property features: Two‑home property built in 1978—live in one and rent the other (long‑term tenant in place in second home); Main home: 5 bedrooms, 3 bathrooms, updated kitchen, newer flooring, fresh paint, and main‑floor laundry; Main home has an attached 2‑car garage, fenced backyard, deck and patio, and newer metal roof
