Spray Foam Insulation cost: Boston vs Peabody (2026)
There's essentially no price gap here: spray foam insulation runs close to $4,500 in both Boston and Peabody in 2026.
Boston MA
Typically around $4,500
Peabody MA
Typically around $4,500
Boston vs Peabody: full breakdown
| Factor | Boston | Peabody |
|---|---|---|
| Typical 2026 cost | $4,500 | $4,500 |
| Estimated range | $1,800–$7,200 | $1,800–$7,200 |
| Labor index (vs US) | ×1.13 | ×1.13 |
| 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.
No real cost edge either way
The two metros are effectively a wash for spray foam insulation — pick on contractor quality and timing, not location.
Spray foam insulation by type: Boston vs Peabody
Each spray foam insulation option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Boston | Peabody |
|---|---|---|
| Open-cell | $1,800–$5,400 | $1,800–$5,400 |
| Closed-cell | $3,000–$8,350 | $3,000–$8,350 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Spray foam insulation by area: Boston vs Peabody
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 | Boston | Peabody |
|---|---|---|
| 500 sq ft | $1,100–$2,850 | $1,100–$2,850 |
| 1,000 sq ft | $1,800–$4,800 | $1,800–$4,800 |
| 1,500 sq ft | $2,650–$6,600 | $2,650–$6,600 |
| 2,000+ sq ft | $3,350–$7,750 | $3,350–$7,750 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
What insulation pros earn in each metro
With labor making up about 55% of a spray foam insulation job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
Boston-Cambridge-Newton metro · about 23% above the US average installer wage.
Boston-Cambridge-Newton metro · about 23% above the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
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?
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 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.
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.
Don't half-do an insulation job to save money upfront: seal the air leaks first, insulate to the DOE target for your zone, and stack the rebates. The full scope pays back faster than the partial one.
Boston vs Peabody
Is spray foam insulation cheaper in Boston or Peabody?
Not really — both cities land at almost the same number for spray foam insulation, around $4,500 each.
Why does spray foam insulation cost more in Peabody than Boston?
Labor rates explain most of it — 1.13 in Peabody vs 1.13 in Boston. A cold climate versus cold accounts for the rest.
How much is spray foam insulation in Boston, MA?
spray foam insulation in Boston runs $1,800–$7,200 as of 2026 — most jobs land near $4,500.
Do insulation pros really charge more in one city?
They do, and the BLS wage data confirms it: installers earn about $38.4/hr around Boston-Cambridge-Newton versus $38.4/hr near Boston-Cambridge-Newton. With labor making up about 55% of a spray foam insulation job, that difference carries straight through to the final price.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
No, the seasonal pattern is the same in Boston and Peabody: book during Spring and summer for about 5–10% in savings. The pre-winter fall rush is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on spray foam insulation cost?
There's no cost argument here between Boston and Peabody — they're a wash. Focus on contractor reputation, project scope, equipment tier and timing.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik