New construction

Price cut: $75K (6/1)

$175,000

421 9th Ave W, Roundup, MT 59072

2beds

2,017sqft

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Single Family Residence

Built in 1920

0.3 Acres Lot

$-- Zestimate^®

$87/sqft

$-- HOA

What's special

Double car detached garagePerfect for outdoor activitiesSpacious yard

Contractor's dream! This charming two-story home is currently under construction and can be built out as a cozy 2-bedroom, 1-bath retreat on a large lot in Roundup, Montana. Enjoy the spacious yard that's perfect for outdoor activities, plus a double car detached garage for all your tools and toys. With endless possibilities for customization, this property is ideal for those seeking to create their perfect getaway or investment!

83 days

424

14

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 1
Full bathrooms: 1
Main level bathrooms: 1
Main level bedrooms: 1

Heating

Other

Cooling

Other

Features

Basement: Full

Interior area

Total interior livable area: 2,017 sqft
Finished area above ground: 1,223

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Property

Parking

Total spaces: 2
Parking features: Detached, Additional Parking
Garage spaces: 2

Features

Levels: Two
Stories: 2
Patio & porch: Deck, Front Porch
Exterior features: Deck, Workshop
Fencing: None

Lot

Size: 0.3 Acres
Features: Alley, Corner Lot, Level

Details

Additional structures: Workshop
Parcel number: 3532000000
Zoning description: Other

Construction

Type & style

Home type: SingleFamily
Architectural style: Detached,Other,Two Story
Property subtype: Single Family Residence

Materials

HardiPlank Type
Roof: Metal

Condition

Under Construction
New construction: Yes
Year built: 1920

Utilities & green energy

Sewer: Public Sewer
Water: Public

Community & HOA

Community

Subdivision: Floral Park Add

HOA

Services included: None

Location

Region: Roundup

Financial & listing details

Price per square foot: $87/sqft
Tax assessed value: $21,075
Annual tax amount: $583
Date on market: 4/9/2026

Estimated market value

Not available

Estimated sales range

Not available

$1,266/mo

Price history

Date	Event	Price
6/1/2026	Price change	$175,000-30%$87/sqft
Source: BMTMLS #358648 Report a problem
4/11/2026	Listed for sale	$250,000$124/sqft
Source: BMTMLS #358648 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2024	$115 +10.6%	$21,075
2023	$104 -23%	$21,075 +11.5%
2022	$135 +3.5%	$18,900
2021	$130 +22.3%	$18,900 +55.4%
2020	$106 +16.1%	$12,164
2019	$92 -46.6%	$12,164 -17.4%
2018	$172 +42.6%	$14,730
2017	$120 +2.6%	$14,730 -2.7%
2016	$117 +2.4%	$15,140
2015	$114 +145.1%	$15,140 +339.2%
2014	$47 +12.2%	$3,447 +2.6%
2013	$42 -2.7%	$3,359 +3%
2012	$43	$3,262
2011	--	--
2010	--	--
2009	--	--
2008	--	$4,466
2007	--	$4,466
2006	--	$4,466
2005	--	$4,466
2004	--	$4,466
2003	--	$4,466 +64.8%
2002	--	$2,710
2000	--	$2,710

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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