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Industrial underwriting is how you check whether a warehouse or distribution building earns enough to cover its loan payments and still deliver a return. The Commercial Real Estate Development Association, formerly NAIOP, reports 114.3 million square feet of United States industrial net absorption in the first half of 2026 and projects a further 150.1 million square feet in the second half. Industrial differs from other kinds of commercial property in two ways. The income usually comes from one tenant on one long lease, so that tenant's credit matters as much as the rent does. And the building's physical specifications decide which tenants can use it at all.
In industrial, the building specifications are underwriting inputs. A low clear height is not a cosmetic problem, it is a smaller pool of tenants.
An older building is not automatically a bad deal. It is a deal where the discount has to cover the retrofit and the smaller tenant pool.
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Clear height is the usable vertical space in a warehouse, measured from the floor to the lowest obstruction overhead, which is usually a sprinkler head or a roof beam. It is not the same as the height of the building. Modern distribution buildings commonly offer 32 to 36 feet, and facilities built for automation often reach 40 feet or more. Older buildings around 24 feet are much harder to lease to high-volume users. The Commercial Real Estate Development Association, formerly NAIOP, publishes warehouse design rules of thumb that set out these ranges.
Dock doors are the loading bays where trucks connect to the building. What matters in underwriting is the ratio of doors to square footage, since that determines how much freight can move through the building in a day. A large warehouse with too few doors cannot serve a high-throughput tenant no matter how much floor space it has.
ESFR stands for Early Suppression Fast Response. It is a sprinkler design intended to put a fire out rather than just contain it, and it is what allows goods to be stacked high in a modern warehouse. The system also sets a limit on stacking height, because a required gap has to be kept between the sprinkler heads and the top of the stored goods. This is why a building advertised at 36 feet clear will store product somewhat lower than that. The clearance requirement comes from NFPA 13, the sprinkler design standard, and varies by commodity class and sprinkler model.
The truck court is the paved area outside the dock doors where trucks turn and back in. Its depth decides whether a full tractor-trailer can maneuver. A court that is too shallow rules the building out for logistics tenants regardless of what the inside looks like.
Functional obsolescence is a loss in value caused by the building itself being out of step with what occupiers now need, rather than by its condition or its location. A well-maintained warehouse with a 24-foot clear height and too few dock doors can be functionally obsolete while still being in good repair. In underwriting it shows up as a smaller pool of tenants, longer vacancy and a lower rent.
In a triple net lease, the tenant pays the property taxes, the building insurance and the maintenance on top of the rent. Most single-tenant industrial buildings are leased this way. It moves those costs off the owner's side of the model, though the owner still carries the risk that the tenant stops paying them.
Rentable square footage is the area a tenant pays rent on. In industrial buildings it usually includes office space built into the warehouse, which is more expensive to build and to re-let. Two buildings of the same rentable size can differ a lot in what they can actually be used for.
Weighted average lease term, often shortened to WALT, is the average time left on the leases in a building, weighted by how much rent each one pays. It gives a single figure for how long the income is contracted, and it matters more in industrial than in most asset classes because one lease often carries the whole building.
The recovery ratio is the share of a building's operating costs that tenants actually reimburse to the owner. A lease can look like a full triple net arrangement and still recover less than 100 percent, because of caps, exclusions and vacant space where nobody is paying. Underwriting to what is collected instead of what the lease promises is the difference between a real number and an optimistic one.
| Metric | What it measures | Why it matters |
|---|---|---|
| Net operating income | Income left after operating costs, before loan payments | The starting point for value and for how much you can borrow |
| Rent per square foot | Annual rent divided by rentable area | The figure that gets compared against the market and against competing buildings |
| Recovery ratio | Share of operating costs tenants actually reimburse | The gap between what the lease promises and what gets collected |
| Weighted average lease term | Average time left on the leases, weighted by rent | How long the income is contracted before you are re-letting |
| Releasing cost per square foot | Commissions, tenant improvements and free rent to sign a new tenant | Turns a vacancy into a real cash cost with a real timeline |
| Price per square foot against replacement cost | Purchase price compared with the cost to build the same building today | A discount to replacement cost is protection; a premium needs a reason |
| DSCR | Income against annual loan payments | Sets how large a loan the property can support |
| Debt yield | Income against loan amount | How a lender sizes a loan without relying on interest rates |
| Going-in cap rate | Income against purchase price | Whether the price makes sense for the area and the building class |
| Exit cap rate | Assumed income against assumed sale price | Often the single biggest factor in the projected return, and wider for older buildings |
Clear height, dock ratio and sprinkler type belong alongside these numbers. In industrial they are underwriting inputs, because they set which tenants can use the building and therefore what rent it can ever charge.
Industrial real estate covers buildings used to store, move, make or distribute goods. That includes warehouses, distribution centers, manufacturing plants, cold storage and flex space that mixes warehouse with office. The category is defined by what happens inside the building, which is why physical specifications matter more here than in asset classes where any tenant can use any floor.
In practice, valuation starts with the income the building earns under its current lease, capitalized at a rate that reflects the tenant's credit and the building's quality. Two checks sit alongside it. Price per square foot gets compared against the cost of building the same thing today, and the specifications get compared against what tenants in that market currently ask for. A building that fails the second check will not hold its value even if the current lease looks strong.
In underwriting, clear height is what decides the size of the tenant pool. Below roughly 32 feet a building is excluded from most modern distribution requirements, which shows up as longer vacancy, weaker rent and a wider exit cap rate. It is one of the few physical measurements that flows directly into the financial model.
In underwriting, a triple net lease shifts taxes, insurance and maintenance to the tenant, so the owner's model shows a much smaller expense load. The work is in confirming it. Caps, exclusions and vacant space all reduce what is genuinely recovered, so the lease gets read for what it collects rather than what it is called.
Data centers are often grouped with industrial because they occupy similar sites and similar building shapes. They underwrite very differently. The value sits in power capacity, cooling and connectivity rather than in clear height and dock doors, the tenant covenants are usually longer, and the capital cost per square foot is far higher. Treating a data center as a warehouse with servers in it will produce the wrong number.
That depends on the building and the lease rather than on the sector. Demand has held up, with absorption running close to its post-2023 quarterly average. What that does not tell you is whether a particular building will attract a tenant when the current lease ends. A modern building with a creditworthy tenant and below-market rent is a different proposition from a 24-foot clear building in the same submarket, even at the same cap rate.
Underwriting in industrial is the process of verifying what a warehouse or distribution building actually earns, confirming that its specifications match what tenants in the market need, rebuilding its expenses at what a new owner will pay, and testing whether the resulting income supports the loan and the return. It differs from other commercial property types because one tenant usually carries the whole building, so the tenant's credit and the lease expiry date drive the risk.
To underwrite an industrial property, start from the lease and the operating statements, and confirm who actually pays the taxes, the insurance and the maintenance. Check the building itself against what tenants in that market need, beginning with clear height, dock ratio and sprinkler type, because those set the size of the tenant pool. Compare the in-place rent against current market rent for buildings with the same specifications, then rebuild expenses and recoveries at what a new owner will pay and collect. The deal works if that income covers debt service at your target DSCR and still clears your return threshold once the cost of re-letting the building is included.

September 16, 2026

September 16, 2026

September 14, 2026