Looking for a modular home builder in Westby, MT? Describe your project once and up to three modular home builders who work in Westby and Sheridan County get back to you with a quote. It's free and there is no obligation.
Westby is home to about 162 people (2024 Census Bureau estimate), a shrinking community (−3.0% since 2020). With 288 people per sq mi, it is a semi-rural area. Rural lots and replacements of older homes here are good fits for modular construction.
Westby at a glance
- Population (Census Bureau estimate, 2024)
- 162 (−3.0% since 2020)
- Rank in Montana
- 109th of 126 cities and towns
- Land area
- 0.6 sq mi
- Population density
- 288 people per sq mi (semi-rural)
- Type
- Town (Westby town)
- Main county
- Sheridan County
What to check before hiring in Westby
- Code: in Montana, modular homes are built to the state or local building code.
- Site work: foundation, utilities, crane access and finishes must be in the quote.
- Access: delivery trucks and cranes need road and lot access.
- Price drivers: size, finishes, transport distance and site work.
Useful official resources
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Modular Home Builders Association
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Westby
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Modular home
Factory-built modular home delivered and set on a site-built foundation, with finish work.
Frequently asked questions in Westby
How much does a modular home cost in Westby, MT?
It depends on size, finishes, transport and site work. Describe your project: builders who serve Westby reply with a quote.
How long does it take?
Often a few months from order to move-in.
Can I customize the design?
Most modular builders offer customizable plans.
Which modular home builders will contact me?
Up to three independent modular home builders who serve Westby and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.