2026 installed price ranges by capacity
| Capacity | Footprint | Above-ground price | P-320 safe room price |
|---|---|---|---|
| 4 person | 4 ft × 4 ft | $3,000 to $5,500 | $4,200 to $8,000 |
| 6 person | 4 ft × 6 ft | $4,500 to $7,500 | $5,600 to $11,000 |
| 8 person | 4 ft × 8 ft | $6,000 to $9,500 | $7,700 to $14,000 |
Pick your size
- 4-person storm shelters — couples and small families, fits in a closet or garage corner
- 6-person storm shelters — most common size for a family of four
- 8-person storm shelters — larger families, shared neighborhood shelters, mobility access
Not sure which size? Use the cost calculator to combine capacity, shelter type, and state into a 2026 price estimate.