Looking for a modular home builder in St. Mary, KY? Describe your project once and up to three modular home builders who work in St. Mary and Marion County get back to you with a quote. It's free and there is no obligation.
St. Mary is home to about 140 people (2024 Census Bureau estimate), a stable community (+0.7% since 2020). With 180 people per sq mi, it is a semi-rural area. Rural lots and replacements of older homes here are good fits for modular construction.
St. Mary at a glance
- Population (Census Bureau estimate, 2024)
- 140 (+0.7% since 2020)
- Rank in Kentucky
- 395th of 417 cities and towns
- Land area
- 0.8 sq mi
- Population density
- 180 people per sq mi (semi-rural)
- Type
- City (St. Mary city)
- Main county
- Marion County
What to check before hiring in St. Mary
- Code: in Kentucky, 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 St. Mary
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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 St. Mary
How much does a modular home cost in St. Mary, KY?
It depends on size, finishes, transport and site work. Describe your project: builders who serve St. Mary 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 St. Mary 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.