[Home](./index.md) > [bitburner](./bitburner.md) > [WarehouseAPI](./bitburner.warehouseapi.md) > [getUpgradeWarehouseCost](./bitburner.warehouseapi.getupgradewarehousecost.md) ## WarehouseAPI.getUpgradeWarehouseCost() method Gets the cost to upgrade a warehouse to the next level Signature: ```typescript getUpgradeWarehouseCost(adivisionName: string, acityName: string, amt?: number): number; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | adivisionName | string | | | acityName | string | | | amt | number | amount of upgrades defaults to 1 | Returns: number cost to upgrade