Spray Foam Insulation cost: Derry Village vs Stockton (2026)
In 2026, spray foam insulation is about 5% more expensive in Derry Village than in Stockton. Most homeowners pay around $4,150 in Derry Village versus $3,950 in Stockton — a gap of roughly $200.
Derry Village NH
Typically around $4,150
Stockton CA
Lower costTypically around $3,950
Derry Village vs Stockton: full breakdown
| Factor | Derry Village | Stockton |
|---|---|---|
| Typical 2026 cost | $4,150 | $3,950 |
| Estimated range | $1,650–$6,650 | $1,550–$6,300 |
| Labor index (vs US) | ×1.04 | ×1.05 |
| Climate zone | Cold | Mixed |
| Climate factor | ×1.06 | ×1 |
| Local permit | None | None |
| Labor share | $2,300 | $2,150 |
| Materials/equipment | $1,850 | $1,800 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
How much should this gap actually matter?
A 5% difference on spray foam insulation is minor — you'll typically see a wider spread just from getting multiple quotes in the same city, so don't let location drive the decision.
Spray foam insulation by type: Derry Village vs Stockton
We localize each spray foam insulation type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Derry Village | Stockton |
|---|---|---|
| Open-cell | $1,650–$5,000 | $1,550–$4,700 |
| Closed-cell | $2,750–$7,750 | $2,600–$7,350 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Spray foam insulation by area: Derry Village vs Stockton
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 | Derry Village | Stockton |
|---|---|---|
| 500 sq ft | $1,000–$2,650 | $950–$2,500 |
| 1,000 sq ft | $1,650–$4,450 | $1,550–$4,200 |
| 1,500 sq ft | $2,450–$6,100 | $2,300–$5,750 |
| 2,000+ sq ft | $3,100–$7,200 | $2,950–$6,800 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
Cheapest time for spray foam insulation in either city
Everyone insulates in fall before winter, so that's the busy, full-price season. Booking in spring or summer catches off-peak pricing — and utility rebate budgets are often freshest early in the year.
How much insulation is worth paying for?
How much you spend on insulation and how fast it pays back come down to R-value, air-sealing and material. Our editors break down the trade-offs.
The rebate case
Insulation has some of the best rebate math in home improvement — utility and state programs can cover a solid share (the federal 25C credits ended Dec 2025). Check DSIRE before you book and time it to a fresh rebate budget.
The R-value case
Insulate to the DOE recommendation for your climate zone — under-insulating to save money leaves comfort and energy savings on the table that would have paid the job back.
The air-sealing case
Insulation without air-sealing underperforms. Sealing leaks first is cheap and often delivers more comfort per dollar than thicker insulation alone — make sure it's in the scope.
Air-seal before you insulate, hit the DOE-recommended R-value for your zone, and claim every rebate you're eligible for — insulation is a rare case where doing the full job is also the cheapest one, long-term.
Derry Village vs Stockton
Is spray foam insulation cheaper in Derry Village or Stockton?
In 2026, spray foam insulation is cheaper in Stockton at about $3,950, versus $4,150 in Derry Village — a difference of about $200 (5%).
Why does spray foam insulation cost more in Derry Village than Stockton?
The main driver is local labor rates: Derry Village's labor index is 1.04 versus 1.05 in Stockton. Climate zone (cold vs mixed) also shift the total.
How much is spray foam insulation in Derry Village, NH?
Derry Village homeowners can expect $1,650 to $6,650 for spray foam insulation in 2026, with $4,150 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 Derry Village and Stockton (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 $200 difference is real but one-time, and you can often close most of it in Derry Village 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