Looking for a spray foam installer in Corvallis, OR? Describe your project once and up to three spray foam installers who work in Corvallis and Benton County get back to you with a quote. It's free and there is no obligation.
Corvallis is home to about 61,993 people (2024 Census Bureau estimate), a growing community (+3.5% since 2020). With 4,267 people per sq mi, it is a densely built-up area. Hot summers, cold winters and leaky older homes make air sealing a priority here.
Corvallis at a glance
- Population (Census Bureau estimate, 2024)
- 61,993 (+3.5% since 2020)
- Rank in Oregon
- 9th of 240 cities and towns
- Land area
- 15 sq mi
- Population density
- 4,267 people per sq mi (densely built-up)
- Type
- City (Corvallis city)
- Main county
- Benton County
What to check before hiring in Corvallis
- Training: ask about applicator training and safety practices.
- Code: in Oregon, the energy and residential codes set R-values and barrier requirements.
- Rebates: utilities sometimes rebate insulation upgrades.
- Price drivers: area, foam type, thickness and prep.
Useful official resources
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U.S. Department of Energy: insulation
Official information and guidance.
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Spray Polyurethane Foam Alliance
Official information and guidance.
Services available in Corvallis
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Attic spray foam
Spray foam on the roof deck or attic floor, often to create a conditioned attic.
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Walls, rim joists and crawl spaces
Spray foam in open walls, rim joists, basements or crawl spaces.
Frequently asked questions in Corvallis
How much does spray foam cost in Corvallis, OR?
It depends on area, foam type and thickness. Describe your project: installers who serve Corvallis reply with a quote.
How long does installation take?
Often a day for a typical attic, plus curing time.
Can foam go over old insulation?
Usually old material is removed first; ask the installer.
Which spray foam installers will contact me?
Up to three independent spray foam installers who serve Corvallis 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.