Spotting tenant improvement and occupancy activity as a leasing broker

Who this is for

Commercial and retail leasing brokers representing landlords and tenants in lease negotiations, tenant placement, and renewal strategy, typically working a defined set of buildings or a submarket and earning commission on signed leases. Some specialize in a single asset class - retail fit-outs, or Class A office - while others move across property types within one geography, but nearly all of them are trying to solve the same problem: knowing about a lease event before it becomes public.

The problem

Leasing brokers often do not learn that a tenant is leaving, expanding, or renewing until a space is already listed or a lease event becomes public through other channels, which limits how early a broker can get involved. Tracking occupancy change and tenant improvement activity across a portfolio of buildings tends to be manual, and competing brokers frequently work the same properties and the same tenants with little to differentiate one from another. Renewal conversations in particular tend to start only once a lease is close to expiring, rather than months earlier when a tenant is first weighing its options.

The stakes of missing an early signal have arguably gone up. Office demand has been stabilizing after several rough years, with net absorption turning positive and modest growth expected as landlords and tenants find more common ground on deals (NAIOP) - which means more lease events are happening, not fewer, even if the overall market still feels selective in most metros. A leasing broker who only finds out about a tenant's plans once a space hits a listing site is missing a growing share of these conversations at exactly the point they would have been useful to join.

Why permit activity matters

A tenant improvement or buildout permit is a municipal filing showing that work has been logged at a suite or unit, which can suggest a new tenant is moving in or an existing tenant is expanding. It is not confirmation of a signed lease, a renewal, or the terms involved, and a permit can be filed for reasons unrelated to occupancy change, such as routine system work that has nothing to do with a new tenant at all.

The economics behind a typical buildout have also shifted recently, which changes what a permit tends to represent. Landlords pulled back on concessions in 2024 for the first time in several years, with average tenant-improvement allowances falling even as underlying lease terms firmed up in most markets (CBRE), which means an owner or tenant still willing to fund a buildout right now is making a more deliberate bet than it might have looked like a couple of years ago. A permit tied to that kind of investment is worth a broker's attention for that reason alone.

Reading this activity for buildings a broker already covers can still surface a possible lease event earlier than waiting for a public listing.

What to look for

Tenant improvement and commercial buildout permits are the clearest signal of pending occupancy change, especially for space already known to be vacant. Retail fit-out permits can point to a new retailer entering a market or an existing tenant expanding, and building-system permits across a building can indicate a landlord reinvesting in a property ahead of broader re-tenanting, which may make that landlord more open to a leasing conversation than usual. Multiple tenant improvement permits filed within the same building over a short period are worth particular attention, since they can suggest a building is going through a broader re-tenanting cycle rather than a single, isolated lease change.

Because build-out costs have kept climbing even as landlord allowances have not, a moderate-quality office fit-out now runs well above where it stood just a couple of years ago in most markets (JLL), so a tenant or landlord filing a buildout permit today is generally committing real money rather than doing cosmetic touch-ups. A retail leasing broker covering a strip center, for example, might notice a single fit-out permit at a long-vacant end cap and use it as the reason to call the landlord directly, rather than waiting for a "for lease" sign to come down on its own.

Where this falls short

A tenant improvement permit does not confirm who the incoming or expanding tenant is, what the lease terms are, or whether a lease has actually been signed, so it should be treated as a prompt to ask rather than a confirmed occupancy change. The applicant listed on a permit may be a contractor or designer rather than the tenant or landlord, and permit timing does not reliably indicate how far along a lease negotiation is - a permit can be filed well after terms are agreed, or well before a deal is finalized.

It is also worth remembering that a quiet permit record does not mean a building is fully stable. Plenty of lease events - month-to-month holdovers ending, a tenant simply not renewing - generate no permit activity at all, so the absence of filings is not itself evidence that nothing is changing in a building a broker covers.