219 acres. Country living at its finest located in the Bull Mountains within one hour from Billings Mt, 1/2 hour from Roundup, Mt. Beautiful 4-Bedroom, 2-Bath 2432 sq. ft. Home set up with emergency power supply. This property has everything, two large livestock Barns. one with stables, Large shop/Garage, Numerous Out Buildings, Boundry Fenced, Cross Fenced for livestock, Well-Watered ready for livestock, Lots of good Grass. Good Access, Abundant Wildlife, Available] power and high-speed internet to each tract. Rare: Unique options the 219 acres have been surveyed and subdivide and plotted into eight - 20- and 40-acre tracts. Can be set up for individual family lots or develop part of the lots for resale.
Fantastic setting on your own road! Modular on crawl space. New windows, ext & int paint, gutters & wood blinds. Whole house filter plus R/O at kitchen sink. Covered screened in back porch w/ storm windows. Back up generator. Porch fridge stays.
Public Records
Mar 22, 1994
Sold
—
Year
Property tax
Land + Additions
Assessment*
2025
$858 (−15.0%)
$27,300 + $137,380
$164,680
2024
$1,008 (+27.3%)
$4,552 + $137,380
$141,932
2023
$792 (−34.0%)
$3,933 + $110,730
$114,663
2022
$1,201 (+2.9%)
$3,933 + $110,730
$114,663
2021
$1,167 (−0.4%)
$3,760 + $129,090
$132,850
2020
$1,172 (−21.4%)
$3,760 + $129,090
$132,850
2019
$1,491 (+13.8%)
$4,043 + $134,610
$138,653
2018
$1,310 (−6.2%)
$4,043 + $134,610
$138,653
2017
$1,397
$4,152 + $135,660
$139,812
Tax history for 10 Grassy Flats Road Rd
Year
Property tax
Land + Additions
Assessment*
2025
$858 (−15.0%)
$27,300 + $137,380
$164,680
2024
$1,008 (+27.3%)
$4,552 + $137,380
$141,932
2023
$792 (−34.0%)
$3,933 + $110,730
$114,663
2022
$1,201 (+2.9%)
$3,933 + $110,730
$114,663
2021
$1,167 (−0.4%)
$3,760 + $129,090
$132,850
2020
$1,172 (−21.4%)
$3,760 + $129,090
$132,850
2019
$1,491 (+13.8%)
$4,043 + $134,610
$138,653
2018
$1,310 (−6.2%)
$4,043 + $134,610
$138,653
2017
$1,397
$4,152 + $135,660
$139,812
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Beds
4
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
39 Acres
Year renovated
2004
Sq. Ft.
2,432
Year built
2004
Style
Mobile/Manufactured Home
County
Musselshell County
APN
23-1520-11-3-01-01-0000
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 14, 2026.
Property details
Parking
Parking/Garage Information
# of Covered Spaces: 2
Has Garage
# of Garage Spaces: 2
Parking Features: Detached, Additional Parking
Interior
Virtual Tour
Bedroom Information
Main Level Bedrooms: 4
Bathroom Information
# of Full Bathrooms: 4
# of Main Level Bathrooms: 2
Heating & Cooling
Has Cooling
Cooling: Ceiling Fan(s), Central Air
Has Heating
Heating: Natural Gas, Forced Air
Interior Features
Interior Features: Ceiling Fan(s), Pantry
Appliances: Dryer, Electric Range, Freezer, Oven, Range, Refrigerator, Washer
Has Fireplace
# of Fireplaces: 2
Fireplace Features: Wood Burning Stove
Room Information
# of Rooms Total: 1
Laundry Features: Laundry Room
Basement Details: Crawl Space
Exterior
Exterior Features
Exterior Features: Awning(s), Storage
Patio And Porch Features: Deck, Front Porch, Patio
Fencing: Fenced
Building Information
Above Grade Finished Area: 2,432
Levels: One
Property Features
Has View
Horse Amenities: Corral(s)
Other Equipment: DC Well Pump
Other Structures: Shed(s), Barn(s), Workshop
Property Information
Property Type: Residential
Property Sub Type: Manufactured Home
Raw Mls Property Sub Type: Residential
Lot Information
Lot Features: Secluded, Views, Wooded
Lot Size Acres: 219.4
Zoning Description: Other
Utilities
Utility Information
Water Source: Well
Electric: 220 Volts
Sewer: Septic Tank
Location
Schools Information
Elementary School: Roundup
Middle Or Junior School: Roundup
High School: Roundup
Location Information
Directions: HWY 12 East of Roundup go 6 miles turn left onto Goulding Creek drive about 4 miles turn left onto Harper Coulee Road stay on Harper Coulee Road turn left onto Grassy Flatt Rod drive to end of Road
Subdivision Name: 0
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,432
Stories: 1.0
Lot Size: 39 acres
Style: Mobile/Manufactured Home
Year Built: 2004
Year Renovated: 2004
County: Musselshell County
APN: 23-1520-11-3-01-01-0000
Home facts updated by county records on Aug 14, 2026
Other
Listing Information
List AOR: BillingsAssociationOfRealtors
Around this home
Schools
Roundup Elementary
Public PreK-6 • Assigned • 12.1mi
7/10
Roundup 7-8
Public 7-8 • Assigned • 11.6mi
3/10
Roundup High School
Public 9-12 • Assigned • 11.6mi
2/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
2/10 Heat Factor
7 days above 93° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
4/10 Air Factor
3 unhealthy days expected this year, 6 days in 30 years
Provided by First Street
Historical weather
Roundup, MT • 59072
Average low and high temperatures (°F)
39
22
36
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55
32
58
34
71
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90
61
85
58
80
50
64
38
49
28
44
26
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Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
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Nov
Dec
Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.