Looking for an addition contractor in Clarion, PA? Describe your project once and up to three addition contractors who work in Clarion and Clarion County get back to you with a quote. It's free and there is no obligation.
Clarion is home to about 4,141 people (2024 Census Bureau estimate), a growing community (+5.3% since 2020). With 2,630 people per sq mi, it is a suburban area. Growing families here often add space instead of moving.
Clarion at a glance
- Population (Census Bureau estimate, 2024)
- 4,141 (+5.3% since 2020)
- Rank in Pennsylvania
- 246th of 1,013 cities and towns
- Land area
- 1.6 sq mi
- Population density
- 2,630 people per sq mi (suburban)
- Type
- Borough (Clarion borough)
- Main county
- Clarion County
What to check before hiring in Clarion
- Zoning: check Clarion's setbacks, lot coverage and height limits first.
- License and permit: in Pennsylvania, additions are built by licensed contractors under a permit.
- Structure: second stories need an engineer to check the existing house.
- Price drivers: size, foundation, roof tie-in, plumbing and finishes.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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NAHB
Official information and guidance.
Services available in Clarion
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Room addition
Ground-floor addition with foundation, framing, roof and finishes.
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Second-story addition
New floor over the existing house, with structural engineering.
Frequently asked questions in Clarion
How much does an addition cost in Clarion, PA?
It depends on size, foundation and finishes. Describe your project: contractors who serve Clarion reply with a quote.
How long does it take?
Often a few months, plus design and permits.
Does an addition raise property taxes?
Usually, since it increases the assessed value.
Which addition contractors will contact me?
Up to three independent addition contractors who serve Clarion 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.