When comparing underground bunkers, many buyers initially believe steel bunkers are more affordable. This assumption is usually based on base unit pricing, not the true installed cost. Once shipping, installation, and long-term performance are considered, ICF concrete bunkers provide greater value at a lower total cost.

Real-World Cost Comparison (10' x 40' Bunker)

Steel Underground Bunker

• Base bunker price: $225,000

• Shipping & installation: $65,000–$80,000

• Total installed cost: $290,000–$305,000

ICF Concrete Bunker

• Fully installed average cost: $240,000

• Includes construction, installation, and structural integration

Cost Difference:
An ICF bunker of the same size typically costs $50,000–$65,000 less than a comparable steel bunker once fully installed.

ICF Bunker vs Steel Bunker Cost Comparison

Main Entry Airlock with Every Bunker

Every bunker comes with our main entry. This has a steel bullet proof hatch, stairs that lead down to your airlock room, which comes equipped with two bullet proof airtight security doors, decontamination shower, drain, and a third security vault door to main bunker. Our main entry is designed to mitigate EMP and Gamma radiation that can enter through the hatch itself. These entry's come standard and can be added to any wall of our floor plans.

Quick Escape with Every Bunker

Every bunker comes with our specialty designed emergency exit. This exit is designed to mitigate EMP and Gamma radiation and features a dual hydraulic lift hatch lid to open under any circumstances. The hydraulic lifts operate with a low voltage motor or a manual hand crank for a quick, safe exit if ever needed. Our escape hatch is hidden just below the surface of the ground to keep hidden. These come standard and can be added to any wall on our floor plans.

Safety is a Standard in our Designs

Every bunker comes with our premium entry airlock/decon room and quick escape emergency exit.

Standard Features with Every Bunker

Every bunker features a main entry airlock with full bathroom with waste pump out, open living space, kitchen, bedroom(s), Swiss VA150 CBRN Air Filter, fully finished interior, underfloor storage, and emergency quick escape. These prices include all shipping and installation; Price varies based on installed location, utility connections priced separately*

Our Most Popular 3 Bunkers

*All prices include installation; some sites may affect price*

10x30 Bunker

This bunker comes with steel bullet proof entry hatch, stairs, airlock/decontamination room with x2 airtight steel bullet proof doors, finished interior with vault door, Dimmable LED lights, bathroom with grinder pump out, bedroom, kitchenette with reverse osmosis filter, open living space, x2 300-gallon fresh water holding tanks and pump, underfloor access/storage, emergency quick escape, ANDAIR VA150 CBRN air filter.

$180,000 installed*

10x40 Bunker

This bunker comes with steel bullet proof entry hatch, stairs, airlock/decontamination room with x2 airtight steel bullet proof doors, finished interior with vault door, Dimmable LED lights, bathroom with grinder pump out, x2 bedrooms, kitchenette with reverse osmosis filter, open living space, x2 300-gallon fresh water holding tanks and pump, underfloor access/storage, emergency quick escape, ANDAIR VA150 CBRN air filter.

$240,000 installed*

10x50 Bunker

This bunker comes with steel bullet proof entry hatch, stairs, airlock/decontamination room with x2 airtight steel bullet proof doors, finished interior with vault door, Dimmable LED lights, bathroom with grinder pump out, x2 bedrooms, kitchenette with reverse osmosis filter, open living space, x2 300-gallon fresh water holding tanks and pump, underfloor access/storage, emergency quick escape, ANDAIR VA150 CBRN air filter.

$300,000 installed*