Looking for a modular home builder in South Williamsport, PA? Describe your project once and up to three modular home builders who work in South Williamsport and Lycoming County get back to you with a quote. It's free and there is no obligation.
South Williamsport is home to about 6,176 people (2024 Census Bureau estimate), a shrinking community (−1.3% since 2020). With 3,252 people per sq mi, it is a suburban area. Rural lots and replacements of older homes here are good fits for modular construction.
South Williamsport at a glance
- Population (Census Bureau estimate, 2024)
- 6,176 (−1.3% since 2020)
- Rank in Pennsylvania
- 141st of 1,013 cities and towns
- Land area
- 1.9 sq mi
- Population density
- 3,252 people per sq mi (suburban)
- Type
- Borough (South Williamsport borough)
- Main county
- Lycoming County
What to check before hiring in South Williamsport
- Code: in Pennsylvania, 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 South Williamsport
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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 South Williamsport
How much does a modular home cost in South Williamsport, PA?
It depends on size, finishes, transport and site work. Describe your project: builders who serve South Williamsport 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 South Williamsport 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.