Flathead County, MT Duplexes for sale

Updated: Aug 19

Updated Duplex on Private Acreage

185 Elk Park Road, Columbia Falls, MT 59912

$849,900

5.00 AC lot

5 acres with mature trees and private outdoor areas
Two‑unit configuration: 2‑bedroom/2‑bath and 1‑bedroom/1‑bath residences
1974‑built property with newly installed kitchens and updated bathrooms
Radiant‑heated bathroom floors, custom cabinetry, and modern appliances
Deck, lower patio, fire pit, and two storage sheds

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Updated: Jul 15

Furnished Duplex with Deck

990 Colorado Avenue, Whitefish, MT 59937

$1,100,000

0.21 AC lot

Two‑unit duplex with 1,768 total square feet
Each unit includes 2 bedrooms and 1 bathroom
0.208‑acre lot in Whitefish at 990 Colorado Avenue
Short‑term rental use permitted; no HOA
Oversized deck with ski area views

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Two-Unit Duplex with Garages

535/537 10th Avenue W, Kalispell, MT 59901

$589,000

0.16 AC lot

Both residences are occupied, and recent work has updated the roof, siding and decks.

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Two-Home Residential Income Property

121 & 135 Boon Road, Somers, MT 59932

$690,000

4,295 sqft

Two residences on one lot with fresh interior paint, including a remodeled detached guest house and main home.

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Duplex Property With Additional Rentals

100 Central Avenue, Martin City, MT 59926

$590,000

0.34 AC lot

Income-producing property includes a duplex, A-frame cabin, and double-wide residence with shared septic service.

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Updated Duplex with Attached Garages

2000 & 2002 Greatview Drive, Kalispell, MT 59901

$775,000

0.18 AC lot

Two leased units include private fenced yards, fireplaces, and separate attached garage parking.

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Mixed-Use Property with Storage

7585 Us Highway 2 E, Columbia Falls, MT 59912

$2,625,000

4.62 AC lot

Multi-component property combining residences, storage buildings, workshop space, and an operating antique market.

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Duplex with Permitted Short-Term Rentals

990 Colorado Ave, Whitefish, MT 59937

$1,100,000

1,768 sqft 0.20 AC lot

Two residential units support flexible rental use, with ski area views and convenient access to Whitefish amenities.

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Duplex Property with Guest House

1785 Hodgson Road, Whitefish, MT 59937

$825,000

1.28 AC lot

Two residences on a fenced acreage parcel offer flexible living arrangements and separate space for household or rental use.

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Modern Duplex with Two Homes

3819 MT Hwy 40 W, Columbia Falls, MT 59912

$799,999

0.96 AC lot

Two carefully maintained residences feature refreshed roofs, recent exterior paint, and separate living accommodations.

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New Construction Duplex

7 Muskrat, Kalispell, MT 59901

$829,000

2,868 sqft

Two residences offer flexible living space with private garages, rear decks, and in-unit laundry appliances.

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Duplex with Covered Carports

231 12th Street E, Kalispell, MT 59901

$599,000

0.14 AC lot

Two residential units provide three bedrooms, two bathrooms, storage, and practical access to downtown amenities.

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Four-Unit Multifamily Property

654 E Washington Street East North 1, Kalispell, MT 59901

$779,000

6,129 sqft 0.26 AC lot

Two houses provide four occupied rental units on a B-2-zoned parcel near shopping and Taco Bell.

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Three-Bedroom Duplex

231 12th St E Unit 231/233, Kalispell, MT 59901

$599,000

2,280 sqft

Two separate residences offer covered parking, storage, and flexibility for an owner-occupant or rental operation.

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Duplex Income Property

3819 MT Hwy 40, Columbia Falls, MT 59912

$799,999

3,244 sqft 0.96 AC lot

Two separate 3-bed, 2-bath homes generate rental income, with recent roof replacement and fresh exterior paint.

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Renovated Duplex with Gas Fireplaces

243-245 1st Ave S, Hungry Horse, MT 59919

$498,000

1,560 sqft

Two updated residential units offer separate kitchens, laundry hookups, off-street parking, and flexible rental use.

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Duplex with Two Private Entrances

1662 & 1660 Us Hwy 2 W, Kalispell, MT 59901

$675,000

3,384 sqft

Two 2-bedroom units with separate utilities, private entrances, and dedicated outdoor access on over one acre.

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Furnished Two-Unit Duplex

519 1st Ave E, Kalispell, MT 59901

$850,000

1,860 sqft

Two fully furnished residences offer short-term rental use near downtown Kalispell, with household systems and appliances included.

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New Two-Unit Duplex

869 9th, Kalispell, MT 59901

$695,000

1,688 sqft

Recently built duplex with two-bedroom residences, full appliance packages, and mountain and meadow views near downtown.

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Duplex-Style Income Residence

129 Sleepy Hollow Rd, Kalispell, MT 59901

$569,000

4,150 sqft

Spacious home with a separate lower-level rental unit, fenced yard, and covered deck, plus long private driveway parking.

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Updated Duplex with Acreage

185 Elk Park Road, Columbia Falls, MT 59912

$849,900

5.00 AC lot

Two separate living spaces support flexible occupancy, rental use, or a multi-generational residential arrangement.

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Duplex with Covered Carport

231 12th Street E 231/233, Kalispell, MT 59901

$599,000

2,280 sqft

Duplex for sale offering two units with 3 bedrooms, 2 bathrooms, covered carport parking, and extra storage.

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Updated Duplex with Attached Garages

2000 & 2002 Greatview Drive, Kalispell, MT 59901

Contact for pricing

2,912 sqft

Two leased residences combine private outdoor space with recent building-system and exterior improvements.

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Three-Bedroom Duplex with Carports

231233-231 12th St E, Kalispell, MT 59901

$599,000

Two residential units offer private storage, covered parking, and access to downtown Kalispell amenities.

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Flathead County, MT Duplexes Market Trends and Statistics

Explore 25 duplexes for sale in Flathead County, MT, showcased through 25 active listings on our real estate platform. These investment opportunities span a total of 38,418 square feet of properties for sale, with an estimated market value of $19,479,798.

Sale prices for two-family homes in Flathead County, MT start at $498,000, averaging $811,658, and reaching up to $2,625,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Featured Flathead County Real Estate Agencies

Realmo connects you with licensed Flathead County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

Keller Williams Realty Northwest Montana

162 Timberwolf Parkway, ste A Kalispell, MT 59901

Phone: 14067524700

www.kwnorthwestmontana.com

Flathead Valley Brokers

PO Box 8808 Kalispell, MT 59904

Phone: 14067528883

www.flatheadvalleybrokers.com

Century 21 Deaton and Company Real Estate

750 W 2nd St, Unit 6 Whitefish, MT 59937

Phone: 14062124309