In Madrid, the Impuesto sobre Bienes Inmuebles (IBI) — the Spanish equivalent of council tax on property — applied to industrial and logistics warehouses is a tax factor that every owner or investor needs to understand if they want to grasp how it truly affects the profitability of their asset, whether the warehouse is owner-occupied or let to a third party. This local tax is one of the most significant fixed costs when assessing the economic viability of an industrial investment.
How the IBI on a Warehouse Is Calculated
The IBI is calculated in a relatively straightforward way, but it has a significant impact on the cash flow of a warehouse. The basic formula involves multiplying the property’s rateable value (valor catastral) by the tax rate set by each municipality. In Madrid city, the standard rate for 2026 is 0.414% of the rateable value, although it can be higher if the warehouse falls among the industrial properties with the highest rateable values, which are subject to a higher differentiated rate.
Why the IBI Can Vary So Much Between Similar Warehouses
This method of calculation means the IBI can vary considerably from one warehouse to another, even within the same municipality: two warehouses with similar floor areas and uses can end up paying very different amounts simply because the rateable value or assigned tax rate differs. That’s why, before buying or leasing, it’s essential to check the most recent IBI bill and understand not just how much is paid, but how that payment feeds into annual operating costs.
The Role of the IBI in Calculating Profitability
At Masachs, as a specialist estate agent, we believe the IBI shouldn’t be assessed in isolation, but factored into the overall calculation of the property’s profitability. If you’re analysing an asset for investment purposes, you’ll need to deduct fixed costs from the income the warehouse generates — generally through rent — to arrive at a realistic net yield.
Passing the IBI on to the Tenant: What the Lease Should Cover
On the other hand, while the IBI is a cost that initially falls on the owner, passing it on to the tenant is possible as long as this is expressly set out in the lease agreement. This has a direct bearing on the property’s actual profitability, since a well-structured lease allows part of the tax burden to be redistributed, thereby reducing the cost borne by the owner.
Tax Reliefs That Can Reduce the IBI
Another point worth considering is the potential tax reliefs or incentives that some local bylaws offer in certain cases, such as for premises that include energy or technological upgrades. Applying for and managing these reliefs can lead to a meaningful reduction in the annual IBI bill and, in turn, a positive impact on the asset’s net yield.




