For sale

Price cut: $50K (7/9)

$550,000

23 Mule Deer Ln, Roundup, MT 59072

3beds

1,848sqft

$3,310/mo

Get pre-qualified

Single Family Residence

Built in 2020

20.73 Acres Lot

$523,300 Zestimate^®

$298/sqft

$-- HOA

What's special

Dining roomCozy gas fireplaceWonderful natural lighting

Come see your forever home on 20+/- acres in the Bull Mountains! Located south of Roundup, this quiet homestead containes a 2020 modular home, a 3 stall shop that is partially insullated with a concrete pad, as well as an additional unfinished inlaw suit/guest house that is waiting for your final touches to make your own! The modular holds 3 bedrooms and 2 bathrooms, a full kitchen with an island, dining room, and living room with an open feel and a cozy gas fireplace. The master has a his and hers sink in the bathroom with a walk in shower, and a walk in closet off of the bedroom entrance. To top off the final touches the wash room has an open mudroom conscept with additional storage space and wonderful natural lighting. Personalized touches have been added throughout. Call Text or Email for a showing or contact your local realtor.

149 days

500

19

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 3
Bathrooms: 2
Full bathrooms: 2
Main level bathrooms: 2
Main level bedrooms: 3

Heating

Other

Cooling

None

Appliances

Included: Dishwasher, Microwave, Oven, Range, Refrigerator

Features

Basement: Crawl Space
Number of fireplaces: 1

Interior area

Total interior livable area: 1,848 sqft
Finished area above ground: 1,848

Video & virtual tour

View virtual tour

Property

Parking

Total spaces: 3
Parking features: Workshop in Garage
Garage spaces: 3

Features

Levels: One
Stories: 1
Fencing: Fenced

Lot

Size: 20.73 Acres
Features: Corner Lot

Details

Additional structures: Guest House, Workshop
Parcel number: 4184000000
Zoning description: Rural Residential 1

Construction

Type & style

Home type: SingleFamily
Architectural style: Modular/Prefab
Property subtype: Single Family Residence

Materials

Aluminum Siding
Roof: Aluminum

Condition

Resale
Year built: 2020

Utilities & green energy

Sewer: Septic Tank
Water: Well

Community & HOA

Location

Region: Roundup

Financial & listing details

Price per square foot: $298/sqft
Tax assessed value: $359,274
Annual tax amount: $1,900
Date on market: 3/31/2026

Estimated market value

$523,300

$497,000 - $549,000

$2,243/mo

Price history

Date	Event	Price
7/9/2026	Price change	$550,000-8.3%$298/sqft
Source: BMTMLS #358439 Report a problem
3/31/2026	Listed for sale	$600,000$325/sqft
Source: BMTMLS #358439 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$1,239 -24.4%	$359,274 +24.3%
2024	$1,638 +10.6%	$288,983
2023	$1,481 -17.3%	$288,983 +20.6%
2022	$1,791 +180.4%	$239,522 +195.4%
2021	$639 -49.8%	$81,072 -65.5%
2020	$1,274 -31.4%	$235,208
2019	$1,856 -10.4%	$235,208 -2.9%
2018	$2,070 +0.5%	$242,178
2017	$2,060 +27.2%	$242,178 +21.5%
2016	$1,619 -1.9%	$199,283 -4.4%
2015	$1,651 +11.1%	$208,503 +103.8%
2014	$1,486 +18.3%	$102,304 +7.4%
2013	$1,256 -5.2%	$95,286 +0.7%
2012	$1,325	$94,599
2010	--	--
2008	--	$144,758