Localized for 1,000+ U.S. cities — adjusted for local labor, climate & permits
City comparison

Spray Foam Insulation cost: Jersey City vs Kearny (2026)

Spray foam insulation costs about the same in Jersey City and Kearny in 2026 — roughly $4,250 in each.

Jersey City NJ

$1,700 $6,750

Typically around $4,250

Kearny NJ

$1,700 $6,750

Typically around $4,250

Side by side

Jersey City vs Kearny: full breakdown

FactorJersey CityKearny
Typical 2026 cost$4,250$4,250
Estimated range$1,700–$6,750$1,700–$6,750
Labor index (vs US)×1.13×1.13
Climate zoneMixedMixed
Climate factor×1×1
Local permitNoneNone
Labor share$2,350$2,350
Materials/equipment$1,900$1,900

Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.

The verdict

A wash — choose on quality, not city

With no real price gap on spray foam insulation, the choice comes down to contractor quality and timing, not which city you're in.

By type

Spray foam insulation by type: Jersey City vs Kearny

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.

TypeJersey CityKearny
Open-cell$1,700$5,050$1,700$5,050
Closed-cell$2,800$7,900$2,800$7,900

Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.

By size

Spray foam insulation by area: Jersey City vs Kearny

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.

SizeJersey CityKearny
500 sq ft$1,000$2,700$1,000$2,700
1,000 sq ft$1,700$4,500$1,700$4,500
1,500 sq ft$2,500$6,200$2,500$6,200
2,000+ sq ft$3,150$7,350$3,150$7,350

Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.

Local labor reality

What insulation pros earn in each metro

Labor is about 55% of a spray foam insulation bill, so local wages drive most of the gap. These are real metro hourly wages for skilled installers (BLS OEWS), not estimates.

Jersey City, NJ
$38.3/hr

New York-Newark-Jersey City metro · about 23% above the US average installer wage.

Kearny, NJ
$38.3/hr

New York-Newark-Jersey City 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).

Best time to buy

Cheapest time for spray foam insulation in either city

Fall is when everyone rushes to insulate before winter hits, making it the busiest and priciest season. Spring and summer see far less demand — and utility rebate budgets are often still full that early in the year.

Best window
Spring and summer
Avoid
The pre-winter fall rush
Off-peak savings
5–10%
Editors' roundtable

How much insulation is worth paying for?

R-value, air-sealing and material decide both the price and the payback. Our editors on the trade-offs.

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 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 air-sealing case

Skip air-sealing and you're insulating around the very holes letting conditioned air leak out. Caulk, foam and weatherstripping are inexpensive and often return more felt comfort than a thicker blanket of insulation ever would — insist the crew handles the leaks before they bury them.

Our take

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.

FAQ

Jersey City vs Kearny

Is spray foam insulation cheaper in Jersey City or Kearny?

Practically identical — expect around $4,250 for spray foam insulation whichever city you're in.

Why does spray foam insulation cost more in Kearny than Jersey City?

The main driver is local labor rates: Kearny's labor index is 1.13 versus 1.13 in Jersey City. Climate zone (mixed vs mixed) also shift the total.

How much is spray foam insulation in Jersey City, NJ?

Expect to pay $1,700 to $6,750 for spray foam insulation in Jersey City in 2026, averaging around $4,250.

Do insulation pros really charge more in one city?

Yes — and the wage data shows it. A skilled installer earns about $38.3/hr in the New York-Newark-Jersey City area versus $38.3/hr around New York-Newark-Jersey City (BLS metro wage data). Since labor is roughly 55% of a spray foam insulation job, that wage gap is the biggest reason the installed prices differ.

When is the cheapest time to buy spray foam insulation — and does it differ by city?

The best window is the same in both Jersey City and Kearny: Spring and summer, when demand drops and installers discount to keep crews busy — typically 5–10% off peak pricing. The most expensive time anywhere is an emergency replacement during the pre-winter fall rush.

Should I choose where to live based on spray foam insulation cost?

Not on this basis — Jersey City and Kearny cost about the same. Weigh contractor quality, scope, equipment tier and timing instead.

Keep comparing

Compare spray foam insulation in other cities

Updated June 2026 · By Serhat Özçelik