Attic Insulation cost: Baltimore vs Frederick (2026)
In 2026, attic insulation is about 10% more expensive in Baltimore than in Frederick. Most homeowners pay around $3,950 in Baltimore versus $3,600 in Frederick — a gap of roughly $350.
Baltimore MD
Typically around $3,950
Frederick MD
Lower costTypically around $3,600
Baltimore vs Frederick: full breakdown
| Factor | Baltimore | Frederick |
|---|---|---|
| Typical 2026 cost | $3,950 | $3,600 |
| Estimated range | $1,550–$6,300 | $1,450–$5,750 |
| Labor index (vs US) | ×1.05 | ×0.96 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $2,150 | $2,000 |
| Materials/equipment | $1,800 | $1,600 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national attic insulation range for local labor, climate and permits.
Baltimore vs Frederick
Is attic insulation cheaper in Baltimore or Frederick?
In 2026, attic insulation is cheaper in Frederick at about $3,600, versus $3,950 in Baltimore — a difference of about $350 (10%).
Why does attic insulation cost more in Baltimore than Frederick?
The main driver is local labor rates: Baltimore's labor index is 1.05 versus 0.96 in Frederick. Climate zone (mixed vs mixed) also shift the total.
How much is attic insulation in Baltimore, MD?
In Baltimore, attic insulation typically runs $1,550–$6,300 in 2026, with most homeowners paying around $3,950.
Updated June 2026 · By Costadia Editorial