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