City comparison
Spray Foam Insulation cost: Chicago vs Mount Prospect (2026)
Spray foam insulation costs about the same in Chicago and Mount Prospect in 2026 — roughly $4,500 in each.
Chicago IL
$1,800 – $7,150
Typically around $4,500
Mount Prospect IL
$1,800 – $7,150
Typically around $4,500
Side by side
Chicago vs Mount Prospect: full breakdown
| Factor | Chicago | Mount Prospect |
|---|---|---|
| Typical 2026 cost | $4,500 | $4,500 |
| Estimated range | $1,800–$7,150 | $1,800–$7,150 |
| Labor index (vs US) | ×1.12 | ×1.12 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,500 | $2,500 |
| Materials/equipment | $2,000 | $2,000 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
FAQ
Chicago vs Mount Prospect
Is spray foam insulation cheaper in Chicago or Mount Prospect?
In 2026, spray foam insulation costs about the same in both — roughly $4,500 in each city.
Why does spray foam insulation cost more in Mount Prospect than Chicago?
The main driver is local labor rates: Mount Prospect's labor index is 1.12 versus 1.12 in Chicago. Climate zone (cold vs cold) also shift the total.
How much is spray foam insulation in Chicago, IL?
In Chicago, spray foam insulation typically runs $1,800–$7,150 in 2026, with most homeowners paying around $4,500.
Updated June 2026 · By Costadia Editorial