How Much Should a Tenant Improvement (TI) Allowance Be Per Square Foot?

How the allowance actually gets funded

A tenant improvement allowance is not a gift — it is a financing instrument. When a landlord offers $50 per square foot on a seven-year lease, they are effectively lending you that money and recovering it through your base rent at an internal rate of return that usually lands between 6% and 9%. The tenant-rep rule of thumb: a landlord will fund roughly $1 of TI for every $0.10 to $0.15 of annual rent over a five-year term. So a $30 per square foot package on a five-year deal is "worth" about $6 per square foot per year of rent — a cost the landlord bakes into your face rate whether or not it ever appears as a separate line on the term sheet.

Three variables move the number. The first is term length: a longer lease supports a bigger allowance because the landlord has more years to amortize it. A three-year deal might yield $10 to $20 per square foot, while a ten-year deal can justify $60 to $100. The second is credit quality: a national tenant with audited financials commands more TI than a two-year-old LLC, because the recovery risk over the term is lower. The third is the "blend" trap, where a landlord quotes a deceptively low face rent alongside a fat TI number, then quietly amortizes that TI back on top of the rent you just celebrated.

Protect yourself by asking one direct question before you get excited about any headline allowance: "Is this allowance amortized into the rent, and at what rate?" If the answer is 10% or higher, push back hard — that is above-market financing, and you can usually negotiate it down toward the 6% to 7% range or convert part of it into a true, non-amortized concession. Model the total occupancy cost, not the sticker. A $70 allowance amortized at 11% can quietly cost you more over the term than a $45 allowance offered as a straight concession, because you are paying interest on every improvement dollar for the life of the lease. Run the math on effective rent — face rate plus amortized TI plus fees — before you sign, because the biggest allowance number is frequently the most expensive one.

What your TI covers versus what the landlord should pay

Tenants get burned when they let their improvement dollars quietly pay for the landlord's building. Draw a hard line in the lease. Your TI should cover the things that belong to your suite and your operation: flooring, paint, interior partitions, suite lighting, data and low-voltage cabling, supplemental cooling for a server room, interior signage, millwork, and finishes. The landlord should cover — separately, never out of your allowance — base-building HVAC, ADA-compliant common areas and restrooms, code compliance for the core and shell, the roof, the structure, and delivery of the space to a defined "vanilla shell" or "warm shell" condition. Those base-building items are the landlord's asset, not your buildout, and folding them into your TI is one of the most common ways an allowance evaporates before a single sheet of drywall goes up.

Then account for soft costs, which routinely add 15% to 25% on top of hard construction. Architecture, engineering, permits, and construction management fees can consume $8 to $15 per square foot before a single stud is set. Negotiate explicitly that the allowance covers soft costs in addition to hard construction, because if the lease is silent, a landlord will happily interpret the allowance as hard-cost-only and leave you funding the design and permitting bill yourself. Watch the construction management fee in particular. Many landlords charge 3% to 5% of total project cost to "oversee" work you are already paying a general contractor to perform. On a $500,000 job that is $15,000 to $25,000 of pure landlord margin for coordination you could arguably do yourself. Cap it at 2%, or strike it entirely if you are bringing your own qualified general contractor.

It also matters who owns the improvements at the end. Because most TI-funded work becomes the landlord's property when you leave, you have every right to insist the landlord fund the pieces that outlast you — the walls, the ceiling grid, the base electrical distribution — while you self-fund only the finishes tuned to your brand. Define the delivery condition in the lease with a specific spec sheet, not the vague phrase "as-is," so there is no ambiguity about the starting line your allowance is measured from.

Benchmark ranges by space type

The right allowance depends heavily on how much mechanical, electrical, and plumbing work the space demands, because MEP is where construction dollars concentrate. For a second-generation office refresh — paint, carpet, and light reconfiguration on existing infrastructure — $15 to $35 per square foot is normal. A full office buildout from a shell condition, where you are installing new walls, MEP distribution, ceilings, and finishes, warrants $50 to $80 per square foot. Retail in a vanilla shell typically runs $25 to $60 depending on storefront and finish level, with higher-end brands pushing above that when they carry a signature look into every location.

Specialized space climbs fast because the systems are expensive and code-driven. Medical and dental buildouts run $80 to $150 per square foot once you add plumbing at every operatory, lead shielding for imaging rooms, and specialized HVAC with higher air-change rates and pressure control. Restaurant and food-service space runs $100 to $250 per square foot because of grease traps and interceptors, exhaust hoods, gas service, make-up air, walk-in refrigeration, and floor drains throughout the kitchen. Lab and life-science space is the highest, often $150 to $300 or more per square foot, driven by fume hoods, redundant power, backup generation, and lab-grade air handling that has to run continuously.

Use these ranges as a reality check on the landlord's offer rather than as a target to hit. If a landlord dangles $10 per square foot for a full office buildout, they are covering a small fraction of the $60 to $120 per square foot that construction actually costs in most markets, and you will fund the gap out of pocket. When the allowance genuinely cannot reach the market number for your space type, pivot the negotiation instead of accepting the shortfall silently: either push the allowance up, extract a free-rent period to offset the cash drain, or reduce the buildout scope, because all three are levers measured in the same dollars. The worst outcome is signing at a number that quietly leaves a six-figure hole between the allowance and the bid.

How market and location shift the number

The same allowance that works comfortably in one city can be woefully inadequate in another, so a national average is close to useless for your actual deal. In Class A towers in gateway markets — Manhattan, San Francisco, downtown Chicago — TI allowances for a full shell buildout often open at $80 to $120 per square foot, because base rents there also run high, typically $60 to $100 per square foot annually, and higher rent supports higher amortized TI. In secondary and tertiary markets like Nashville, Charlotte, or Phoenix, the same buildout might land between $40 and $65 per square foot, with base rents in the $25 to $45 range. Lower rent mathematically constrains how much TI a landlord can amortize back.

Vacancy is the other major driver, and it moves faster than construction costs do. In a landlord-favorable market with single-digit vacancy, a basic refresh may only command $20 to $35 per square foot, because the landlord has other prospects waiting and little reason to sweeten your deal. In a tenant-favorable market with vacancy above 15%, landlords frequently push concessions to $50 to $75 per square foot just to earn a signature and stop the carrying cost of empty space. Sublease inventory tells the same story: when shadow space floods a submarket, direct landlords raise TI to stay competitive with cheaper sublet options.

The practical takeaway is to anchor every request on local comparables, not headlines. Have your tenant broker pull recent comparable deals from CoStar or LoopNet for your specific submarket — ideally the same building or nearby properties for similarly sized tenants of similar credit — so your ask is grounded in what comparable tenants actually received. A well-documented comp set does more to move a landlord than any argument about fairness, because it shows the broker on the other side exactly what their own building or its neighbors just signed. Timing matters too: fiscal year-end and quarter-end quotas can make a landlord's leasing team noticeably more generous when they need one more deal on the board.

Negotiation levers that win more TI

When the landlord won't raise the raw allowance number, trade for equivalent economic value delivered through a different line item. Ask for two to four months of free rent, which is roughly $8 to $20 per square foot of additional concession depending on your rate — the same dollars, just relabeled. Negotiate that any unused allowance converts to a rent credit or additional free rent, so you are never perversely incentivized to overspend just to avoid forfeiting money you already financed through rent; many leases let leftover TI simply evaporate back to the landlord, and you want to bank it toward future improvements or a renewal instead of burning it on scope you don't need.

Control the construction to control the cost. Insist on competitive bids from at least three qualified general contractors and the explicit right to use your own; landlord-mandated contractors routinely bid 10% to 20% high because they know you have no alternative. Demand the allowance be paid on a hard funding schedule tied to defined completion milestones, not "as funds allow," and secure a default remedy — the right to offset unpaid TI against rent — if the landlord stalls disbursement after you have already paid your contractors. Finally, carve base-building work out of your allowance in writing, cap the construction management fee at 2%, and, where you can, convert part of the amortized TI into a first-year rent abatement, which effectively raises your buildout budget without inflating your permanent base rate. Each lever is small on its own; stacked together on a large deal they can shift tens of thousands of dollars.

Traps that quietly drain the allowance

The "as-is" handoff is the classic ambush: the landlord delivers a space with a dying 18-year-old rooftop HVAC unit and expects your TI to replace it, even though that unit is base-building infrastructure. Make the condition of base-building systems a landlord warranty at delivery, ideally with a stated remaining-life or a fresh service inspection, not a surprise line item that lands in your budget after you've committed. Related is the over-standard chargeback: building-standard finishes are cheap and included, but anything "over-standard" gets billed back to you at the landlord's rate. Get the building standard spelled out in writing — door hardware, ceiling tile, light fixtures, carpet grade — so you know exactly what is genuinely free versus what quietly becomes your cost.

Timing traps are just as expensive as scope traps. If your free-rent clock starts at lease signing but permits take four months, you can lose half your concession before you ever occupy the space. Tie rent commencement to substantial completion or occupancy, not to the signature date, and build in a delay clause that pushes the start further if landlord-caused delays hold up the work. Finally, read the restoration and removal clause carefully, because it hides at the back of the lease. Some leases require you to rip out your own improvements at lease end at your expense — a $20,000 to $100,000 surprise on the way out the door for walls and cabling your allowance funded in the first place. Negotiate no restoration obligation for normal office improvements so standard walls, cabling, and finishes stay in place. Each of these clauses is fully negotiable at signing and nearly impossible to fix later, so spend your leverage while you still have it — before the ink dries and the landlord's motivation disappears.

Related questions

Is a TI allowance the same as a landlord "turnkey" buildout?

No. With an allowance, you manage the project and control finishes up to a dollar cap, absorbing any overage yourself. In a turnkey deal, the landlord builds to an agreed plan and eats cost overruns. Turnkey shifts risk to the landlord but usually gives you less design control and slower changes.

Can I get TI on a lease renewal, not just a new lease?

Yes. Renewal TI is common, though usually smaller than new-lease allowances — often $5 to $30 per square foot for refresh work. Landlords fund it to retain a paying tenant and avoid the vacancy, downtime, and re-leasing costs of losing you, so a credible threat to relocate is your main leverage.

What happens to unused TI allowance?

Unless you negotiate otherwise, unused allowance typically reverts to the landlord — you simply lose it. Push for language converting leftover TI into a rent credit or a bankable balance for future improvements, so you are not forced to inflate scope just to avoid forfeiting money you already paid for through rent.

Does a bigger TI allowance always mean a better deal?

Not necessarily. A large allowance amortized at a high rate can raise your effective rent above market for the entire term. Always compare total occupancy cost — face rent plus amortized TI plus fees — against alternatives, rather than chasing the biggest headline allowance number in isolation.

How do I verify the landlord actually funds the allowance?

Tie disbursement to documented milestones and require payment within a set number of days of lien waivers and invoices. Add an offset right so you can deduct unpaid TI from rent if the landlord stalls. Never let the lease say "as funds become available," which gives the landlord open-ended discretion.

FAQ

What is a typical TI allowance for a basic office refresh? For cosmetic updates such as paint, new carpet, and minor reconfiguration on existing infrastructure, allowances generally fall between $15 and $35 per square foot. This covers low-cost improvements without structural work or major mechanical changes, and it is a common package on second-generation space that already has functioning MEP systems in place.

How much TI allowance should I expect for a full office buildout? A complete buildout with new walls, HVAC distribution, electrical, ceilings, and finishes typically requires $50 to $80 per square foot. Higher-end finishes, dense private-office layouts, or specialized spaces such as trading floors and labs can push the number toward or well past the top of that range.

Does the TI allowance vary by city or region? Yes, substantially. In high-cost gateway markets like San Francisco or New York, allowances often start at $60 to $80 per square foot or more, while in lower-cost secondary markets $30 to $50 per square foot is more typical. Allowances track local base rents, so higher-rent markets support higher amortized TI.

Can I negotiate a TI allowance above the landlord's initial offer? Absolutely. Landlords often open low, expecting negotiation. You can push for more by presenting competitive comparable deals, committing to a longer term, or demonstrating strong credit. Increases of $10 to $20 per square foot from the opening offer are common, especially in softer markets with elevated vacancy.

What if the TI allowance doesn't cover my full buildout costs? You can negotiate a higher allowance, add a free-rent period to offset the cash gap, contribute your own capital, or reduce the scope of work. Many tenants split the overage with the landlord or amortize the difference into rent at a negotiated rate, keeping upfront cash outlay manageable.

Is a TI allowance considered taxable income? Generally it is treated as a reduction in rent rather than income, but the tax treatment depends on how the allowance is structured and who owns the resulting improvements. Consult a tax professional, since rules around Section 110 qualified lessee construction allowances and improvement ownership can materially change the outcome.

Sources

• CBRE — https://www.cbre.com/insights (tenant representation and office occupier cost research)
• JLL — https://www.jll.com/en-us/insights (office fit-out cost guides by space type and market)
• Cushman & Wakefield — https://www.cushmanwakefield.com/en/insights (occupier lease negotiation and fit-out benchmarks)
• BOMA International — https://www.boma.org (building-standard and base-building delivery condition standards)
• IREM (Institute of Real Estate Management) — https://www.irem.org (landlord cost-recovery and property management norms)
• NAIOP — https://www.naiop.org (commercial real estate development and buildout cost research)
• U.S. General Services Administration — https://www.gsa.gov (leasing and tenant improvement standards for federal space)
• IRS — https://www.irs.gov (tax treatment of construction allowances, including Section 110)

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