Looking for a modular home builder in Rock Hill, MO? Describe your project once and up to five modular home builders who work in Rock Hill and St. Louis County get back to you with a quote. It's free and there is no obligation.
Rock Hill is home to about 4,669 people (2024 Census Bureau estimate), a shrinking community (−1.6% since 2020). With 4,231 people per sq mi, it is a densely built-up area. Rural lots and replacements of older homes here are good fits for modular construction.
Rock Hill at a glance
- Population (Census Bureau estimate, 2024)
- 4,669 (−1.6% since 2020)
- Rank in Missouri
- 148th of 938 cities and towns
- Land area
- 1.1 sq mi
- Population density
- 4,231 people per sq mi (densely built-up)
- Type
- City (Rock Hill city)
- Main county
- St. Louis County
What to check before hiring in Rock Hill
- Code: in Missouri, 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 Rock Hill
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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 Rock Hill
How much does a modular home cost in Rock Hill, MO?
It depends on size, finishes, transport and site work. Describe your project: builders who serve Rock Hill 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 five independent modular home builders who serve Rock Hill 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.