Spray Foam Insulation cost: Davenport vs Dubuque (2026)
Budget-wise, spray foam insulation in Davenport ($3,750) runs 3% more than in Dubuque ($3,650), a roughly $100 spread.
Davenport IA
Typically around $3,750
Dubuque IA
Lower costTypically around $3,650
Davenport vs Dubuque: full breakdown
| Factor | Davenport | Dubuque |
|---|---|---|
| Typical 2026 cost | $3,750 | $3,650 |
| Estimated range | $1,500–$6,000 | $1,450–$5,850 |
| Labor index (vs US) | ×0.94 | ×0.92 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,050 | $2,000 |
| Materials/equipment | $1,700 | $1,650 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Is the price difference a dealbreaker?
3% is within noise for spray foam insulation — contractor selection and timing move the price more than which of these two metros you're in.
Spray foam insulation by type: Davenport vs Dubuque
Below, each spray foam insulation option is priced independently for both cities, with identical local labor, climate and permit logic applied — so the comparison holds up.
| Type | Davenport | Dubuque |
|---|---|---|
| Open-cell | $1,500–$4,500 | $1,450–$4,400 |
| Closed-cell | $2,500–$6,950 | $2,450–$6,850 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Spray foam insulation by area: Davenport vs Dubuque
Spray foam is priced by board foot (1 sq ft at 1 inch thick), which works out to about $1.50–$5 per sq ft of surface installed depending on foam type and thickness. Closed-cell costs more but adds twice the R-value per inch.
| Size | Davenport | Dubuque |
|---|---|---|
| 500 sq ft | $900–$2,400 | $900–$2,350 |
| 1,000 sq ft | $1,500–$4,000 | $1,450–$3,900 |
| 1,500 sq ft | $2,200–$5,500 | $2,150–$5,400 |
| 2,000+ sq ft | $2,800–$6,450 | $2,750–$6,350 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
Cheapest time for spray foam insulation in either city
Demand for insulation spikes every fall as winter approaches, pushing prices with it. Spring and summer avoid that crowd, and utility rebate pools are frequently still fresh that early in the year.
How much insulation is worth paying for?
Insulation is one of the few home upgrades where spending more can genuinely pay for itself. Our editors on the choices that decide both cost and payback.
The air-sealing case
Blown-in or batt, insulation can only slow the heat that isn't already escaping through gaps and penetrations. Sealing those leaks costs little and frequently buys more comfort per dollar than piling on extra R-value, so confirm it's written into the scope.
The R-value case
Aim for the R-value the DOE assigns your zone, not a round number that sounds close enough. Every point you fall short is comfort you don't feel and utility savings you never bank — savings that would have covered the extra material several times over.
The rebate case
Insulation carries some of the strongest incentive money in remodeling, with utility and state rebates covering a real portion of the cost since the federal 25C credit expired at the end of 2025. Look up what applies on DSIRE, then schedule the work while rebate funds are still unclaimed for the year.
What makes insulation unusual is that the thorough version and the cheap version are the same version — seal first, meet the DOE R-value for your zone, and layer on the rebates. A partial job just pushes the payback date further out.
Davenport vs Dubuque
Is spray foam insulation cheaper in Davenport or Dubuque?
Dubuque wins on price: spray foam insulation runs about $3,650 there versus $3,750 in Davenport, a gap of roughly $100 (3%) as of 2026.
Why does spray foam insulation cost more in Davenport than Dubuque?
Davenport's higher labor index (0.94 vs 0.92 in Dubuque) is the biggest factor, with the cold/cold climate split playing a smaller role.
How much is spray foam insulation in Davenport, IA?
Davenport homeowners can expect $1,500 to $6,000 for spray foam insulation in 2026, with $3,750 the typical number.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
It doesn't vary by location — Spring and summer is the discount window in both Davenport and Dubuque (roughly 5–10% off), while the pre-winter fall rush tends to be the most expensive in either city.
Should I choose where to live based on spray foam insulation cost?
Rarely. The $100 difference is real but one-time, and you can often close most of it in Davenport by buying in the off-season and getting tighter, apples-to-apples bids. Ongoing factors — energy prices, climate and home condition — matter more over the life of the system.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik