Spray Foam Insulation cost: Boulder vs Denver (2026)
In 2026, spray foam insulation is about 7% less expensive in Boulder than in Denver. Most homeowners pay around $4,000 in Boulder versus $4,300 in Denver — a gap of roughly $300.
Boulder CO
Lower costTypically around $4,000
Denver CO
Typically around $4,300
Boulder vs Denver: full breakdown
| Factor | Boulder | Denver |
|---|---|---|
| Typical 2026 cost | $4,000 | $4,300 |
| Estimated range | $1,600–$6,350 | $1,700–$6,850 |
| Labor index (vs US) | ×1 | ×1.08 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,200 | $2,350 |
| Materials/equipment | $1,800 | $1,950 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Boulder vs Denver
Is spray foam insulation cheaper in Boulder or Denver?
In 2026, spray foam insulation is cheaper in Boulder at about $4,000, versus $4,300 in Denver — a difference of about $300 (7%).
Why does spray foam insulation cost more in Denver than Boulder?
The main driver is local labor rates: Denver's labor index is 1.08 versus 1 in Boulder. Climate zone (cold vs cold) also shift the total.
How much is spray foam insulation in Boulder, CO?
In Boulder, spray foam insulation typically runs $1,600–$6,350 in 2026, with most homeowners paying around $4,000.
Updated June 2026 · By Costadia Editorial