Is the window for cheap downtown Denver sublease space closing?

Yes, the cheapest tier is thinning fast. Downtown Denver sublease availability fell 14.9% quarter over quarter and 30% year over year, down to roughly 1.0 million square feet in the first quarter of 2026, off a peak near 2.5 million. Sublease space has been the bargain floor of this market, typically priced 25% to 35% below direct asking. As that inventory gets absorbed, the discount floor rises and direct deals lose their cheapest competition. The window for the deepest sublease bargains is narrowing, but a direct deal loaded with concessions may now be the stronger play for most occupiers.

By Brian McCririe | June 19, 2026

For three years, the smartest cost play downtown was simple. Skip the direct deal and take somebody else's space at a discount. A company that overbuilt in 2021 was sitting on space it couldn't fill, and you could step into it at 25% to 35% below what the landlord across the street was asking.

That trade is getting harder to make.

Downtown sublease availability has dropped to about 1.0 million square feet, down from a peak near 2.5 million and roughly 1.2 million as recently as last year. The decline was sharp: 14.9% in a single quarter, 30% over the year. The cheapest inventory in the market is burning off, and what's left is a different question than it was twelve months ago.

Why the sublease discount has been the cheapest money downtown

Sublease space prices below direct space for a reason, and the reason is the sublandlord's motivation.

A sublandlord is a tenant, not an owner. They signed a lease they no longer need, and every month that space sits empty they pay rent on square footage nobody uses. That pain drives the discount. A landlord with an empty floor can wait. A company bleeding rent on space it abandoned cannot.

So sublease has reliably cleared at 25% to 35% below direct asking. It has been the bargain tier of this market, the floor that set the comparison for every direct negotiation. When you sat across from a landlord and they wouldn't move, the sublease listing down the block was your leverage.

That floor is rising. As the cheapest blocks get absorbed, what remains prices higher, and direct deals lose the competition that kept them honest.

What you actually give up to get the sublease discount

The discount is real. So are the trade-offs, and they matter more as the supply tightens and your choices shrink.

• Shorter term. A sublease can only run as long as the sublandlord's remaining lease. If they have four years left, four years is your ceiling. That's fine if you want flexibility. It's a problem if you need to build out space and amortize the cost over a longer horizon.
• As-is space. Most sublease space comes the way the last tenant left it. You inherit their layout, their finishes, their conference rooms in the wrong places. There's rarely a meaningful tenant improvement allowance to reconfigure it. What you see is largely what you get.
• Sublandlord credit risk. You're relying on the original tenant to keep paying the master landlord. If the sublandlord defaults or goes under, your occupancy can be exposed. This is why an SNDA (subordination, non-disturbance and attornment) and a clean estoppel certificate matter so much on a sublease. Get those wrong and a bargain can turn into a scramble.
• Limited control. You typically can't expand, you often can't renew directly with the landlord, and your rights are defined by a lease you didn't negotiate. You're a step removed from the party who actually controls the building.

None of this makes subleasing a bad call. It makes it a specific call, right for a company that values speed and flexibility over control and term.

Why a direct deal with concessions may now beat the sublease

Here's the shift most occupiers haven't priced in yet.

The sublease discount used to be the cheapest path because direct rents were stiff and concessions were thin. That's no longer the case. Downtown office vacancy hit a record near 38.9% in the first quarter of 2026, and landlords are competing hard for credit tenants. The discount has moved into the direct deal, just buried in the structure rather than the headline rate.

On a direct deal downtown right now, a creditworthy tenant on a seven-year term can capture:

• Free rent of roughly one month per year of term, which runs 6 to 12 months of abatement on a longer downtown lease.
• A tenant improvement allowance from about 25% to 150% of one year's base rent, enough to fund a real build-out instead of inheriting someone else's floor plan.
• A net effective rent that lands 25% to 35% below the face rate once you spread those concessions across the term.

Look at those numbers. The net effective discount on a well-negotiated direct deal now rivals the sublease discount, and it comes with full term, new build-out, and a direct relationship with the landlord. The thing that made sublease the obvious choice (price) is no longer the clear advantage it was. This is where the real discount lives in a direct deal, and it's worth running the math before you assume the sublease is cheaper.

The window is real, and it's a timing decision, not a price decision

The mistake is thinking the question is "sublease or direct." The real question is "now or later."

Two things are moving against the patient occupier. First, the sublease floor is rising as that 1.0 million square feet gets absorbed, which removes the cheapest competition that has been holding direct deals in check. Second, the concession environment on direct deals is at a level that won't last forever. Record vacancy is what's funding 12 months of free rent and full TI packages. As space leases up, that generosity compresses.

The companies that extended in place through the macro uncertainty of the last two years sat out the richest part of this cycle. That's understandable. It was also expensive. The occupiers acting now, while vacancy is at a record and landlords are still defending face rates with deep concessions, are the ones capturing the gap.

This is not a Cherry Creek problem, where scarcity runs the negotiation and you're fighting for access at under 5% vacancy. Downtown is the opposite. The space is there, the concessions are there, and the question is whether you move before the floor rises under you.

Frequently asked questions

How much cheaper is sublease space than a direct lease in downtown Denver?

Sublease space in downtown Denver has typically priced 25% to 35% below direct asking rents. That gap is the bargain that made subleasing attractive. As of the first quarter of 2026, downtown sublease availability has fallen to about 1.0 million square feet, down 30% year over year, so the cheapest blocks are getting absorbed and the floor is rising.

Is subleasing office space risky?

It carries risks a direct lease does not. Your term is capped at the sublandlord's remaining lease, the space usually comes as-is with little TI allowance, and you take on the sublandlord's credit risk. A proper SNDA and estoppel certificate protect your occupancy if the sublandlord defaults. Those documents are not optional on a sublease. Review them with your counsel before signing.

Should I sublease or sign a direct lease in downtown Denver right now?

It depends on your term and build-out needs, but the math has shifted. With downtown vacancy near 38.9% and landlords offering 6 to 12 months of free rent plus a TI allowance up to 150% of annual base rent, a direct deal's net effective rent can land 25% to 35% below face, rivaling the sublease discount while giving you full term and a new build-out. If you need flexibility and want to move fast, sublease still wins. If you need term and a real build-out, the direct deal is often the better number now.

Why is downtown Denver sublease space disappearing?

The excess that piled up after 2021 is getting absorbed, and sublandlords paying rent on empty space are motivated to clear it at a discount. Downtown sublease availability fell 14.9% quarter over quarter and 30% year over year to roughly 1.0 million square feet in the first quarter of 2026, down from a peak near 2.5 million. As the cheapest inventory burns off, the discount floor rises.

What is a sublandlord, and why does it matter to me?

A sublandlord is the original tenant who leased the space directly from the building owner and is now renting it to you. You pay the sublandlord, and the sublandlord pays the owner. That chain matters because if the sublandlord stops paying or goes out of business, your occupancy can be at risk unless you have a non-disturbance agreement with the owner. That's why the SNDA is the single most important document on any sublease.

The bottom line

The cheapest tier of downtown Denver office space is thinning. Sublease availability is down to about 1.0 million square feet, off 30% on the year, and as that floor rises the direct market loses its cheapest competition. The good news is that the discount didn't vanish. It moved into the direct deal, where record vacancy is funding free rent and TI packages that can put net effective rent 25% to 35% below face. The decision in front of you is less about sublease versus direct and more about acting while the concessions are still this rich.

This is the analysis I run with every occupier before we look at space: what's your real term and build-out need, what does a sublease actually cost you in control and risk, and where does a direct deal's net effective number land against it. Lease economics shift quarter to quarter, so confirm any structure against your own counsel and CFO before you commit.

If you're working through a lease decision in Denver, whether that's a renewal, a relocation, or a footprint question your CFO is pushing on, I'm happy to run the numbers with you. Schedule a conversation at calendly.com/mccririe.

About Brian McCririe
Brian McCririe is Managing Director of SVN | Denver Commercial and National Council Chair for Occupier Services across the SVN network. After 25 years representing tenants and investors across global markets, he now focuses on the Denver Metro area helping companies navigate leases, acquisitions, and the gap between what landlords offer and what occupiers deserve. He leads one of the metro's top tenant rep practices and writes about the deals, decisions, and market shifts that matter to corporate real estate leaders.