Buying a parking space to rent it out seems simple. The entry ticket remains moderate, the management is light, and the rents come in every month. But when it comes time to declare the income, a tax mechanism changes the game: depreciation. When understood correctly, it reduces the tax on rents for years. When miscalibrated, it has no effect. It all depends on the type of parking purchased and the chosen tax regime.
Outdoor space or closed box: the depreciable base is not the same
Before discussing duration or rates, it is essential to understand what the tax authorities actually allow to be depreciated. The principle is straightforward: the land is never depreciable. Only the construction, development, or equipment fixed to the ground is.
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Why does this point change everything? An outdoor parking space marked on bare land is considered land for almost its entire value. In practical terms, the depreciable portion is limited to the ground marking, fencing, or lighting. We are talking about a marginal fraction of the purchase price.
In contrast, a closed box in the basement is a masonry structure. Its share of land decreases significantly, and the depreciable base of a box can reach 75 to 90% of its value. Over a period of 25 to 40 years, this generates a significant annual accounting charge, deducted from taxable rents.
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A useful guide details the depreciation of a parking space according to Encherimmo, specifying the usual shares applied based on the nature of the property. This distinction between land and construction is the first filter to apply before any calculation of net profitability.
Parking depreciation and LMNP regime: what the real allows
Are you renting a furnished parking space with equipment (charging station, storage locker in a box)? The LMNP status under the real regime may apply. This regime allows for the deduction of the depreciation of the property, acquisition costs, and current expenses.
The mechanism works in two stages. First, the purchase price is allocated between land and construction. Then, the construction portion is depreciated over the estimated lifespan of the property. For a concrete box, this duration is around 25 to 40 years depending on the components (structural work, door, electrical installation).
The unlimited carryforward of unused depreciations
A point that general guides often overlook: unused LMNP depreciations can be carried forward indefinitely. If your expenses and depreciations exceed your rents in a given year, the excess depreciation is not lost. It accumulates and will reduce the taxation of subsequent years, as long as the activity continues.
This carryforward mechanism creates a tax buffer effect particularly suited to parking spaces, whose rents remain modest. During the first years, depreciation often absorbs the entirety of the taxable result.
The limit to keep in mind
Depreciation cannot create a tax deficit in LMNP. It brings the result to zero, never below. To generate a deficit that can be offset against other income, one would need to switch to a professional regime (LMP) or a company subject to corporate tax, with very different constraints.
Depreciation in SCI under corporate tax: a more powerful but less flexible lever
Housing parking spaces in an SCI subject to corporate tax provides access to classic accounting depreciation, without the LMNP restriction. Here, depreciation can create a deficit, which can be carried forward to the future profits of the company.
The calculation remains identical in principle: allocation of land/construction, then linear depreciation of the construction portion. For a closed box in the basement, the annual depreciation charge is significant enough to wipe out taxable rents for many years.
But the exit is costly. Upon resale, the capital gain in SCI under corporate tax is calculated on the net accounting value, that is, the purchase price minus all past depreciations. The more you have depreciated, the higher the taxable capital gain, even if the property has not increased in value on the market. This mechanism partially cancels out the tax advantage accumulated during the holding period.
Depreciable components of a parking space: allocate to optimize
A parking space is not a uniform block. Breaking down the property into components allows for some parts to be depreciated faster than others, thus maximizing the tax deduction in the early years.
Here are the main identifiable components of a box or a developed space:
- The structural work (slab, walls, ceiling): long depreciation period, generally aligned with the lifespan of the building.
- The garage door or motorized gate: shorter duration, often around fifteen years, as mechanical wear necessitates replacement.
- Electrical installations (lighting, charging station): depreciable over an intermediate duration, with predictable renewal.
- The floor covering, marking, and signage: short durations, a few years for the most exposed elements.
This component allocation is not optional in corporate accounting (SCI under corporate tax). In LMNP, it is highly recommended to reflect the economic reality of the property.
Micro-BIC or real regime: when depreciation justifies switching to the real
Under micro-BIC, a flat-rate deduction replaces all deductions. You cannot depreciate the property or deduct actual expenses. The question then arises: at what point does the real regime become more advantageous?
The answer depends on the ratio between your actual expenses (loan interest, property tax, insurance, management fees) plus depreciation, and the amount of the flat-rate deduction. For a closed box financed by credit, the real regime almost always exceeds micro-BIC in tax advantage in the early years, thanks to the combination of depreciation and interest.
For an outdoor space purchased outright, depreciation remains marginal (almost no construction) and expenses are low. Micro-BIC may then suffice.
- Closed box financed by credit: the real regime applies in most cases.
- Outdoor space purchased outright: micro-BIC remains competitive, due to the lack of significant depreciable base.
- Multiple spaces in a portfolio: the real regime pools the expenses and depreciations of all lots.
The choice of tax regime conditions the entire depreciation strategy. Before purchasing, model both scenarios over the intended holding period. A credit-financed basement box and an outright purchased surface parking space are managed very differently from a tax perspective, and it is this difference that determines the actual net profitability of the investment.