Almost every term in a commercial lease is open to negotiation, and the landlord's first draft is written to protect the landlord. The rent in the listing is only the start. Who pays the building's taxes, insurance, and upkeep, how much the landlord will spend to build out your space, and whether you sign personally for the debt can matter more than the rent itself. Here is how the process works, step by step, and what to push for at each stage.

Start with What Your Business Needs

Before you tour anything, write down how much space you need now and in three to five years, how many people will work there, what parking and access your customers need, and any special requirements such as a kitchen, a loading dock, or extra power. Check zoning early. A space can look perfect and still not allow your use.

Give yourself time. The search, the negotiation, permits, and the build-out can take many months from the first tour to opening day. Start well before your current lease ends, so you are not negotiating against your own deadline.

Know Who Pays the Operating Costs

The biggest question in any commercial lease is who pays to run the building. Those costs fall into three main buckets: property taxes, insurance, and maintenance. The lease type tells you how they are split:

  • Full-service gross: you pay one rent and the landlord covers the operating costs. Common in office buildings, though many still pass along increases above a base year.
  • Triple net, or NNN: you pay a base rent plus your share of taxes, insurance, and maintenance. Common in retail and industrial space.
  • Modified gross: a middle ground where some costs are in the rent and others are billed to you. Read exactly which ones.
  • CAM, short for common area maintenance, is the shared cost of lobbies, parking lots, landscaping, snow removal, and management. Ask for the last two or three years of actual CAM charges, a cap on yearly increases in the costs the landlord controls, and the right to review the landlord's books.

Use the Letter of Intent to Settle the Big Terms

Once you find a space, your broker sends the landlord a letter of intent, or LOI. It sets out the main terms: rent, length, any free rent at the start, who pays which costs, the build-out allowance, options to renew, and the move-in date. It is usually not binding, but it frames everything that follows. A term you forget at the LOI stage is hard to win back in the lease.

Send LOIs on more than one space if you can. Competing offers are the clearest way to learn what landlords will really give, and the landlord who knows you have options negotiates differently.

Negotiate the Build-Out Allowance Early

Most spaces need work before you can use them: walls, lighting, flooring, cabling, maybe a kitchen or restrooms. The tenant improvement allowance, or TI, is the money the landlord agrees to put toward that work, usually stated per square foot. How much you can get depends on the length of the lease, the condition of the space, and how badly the landlord wants to fill it.

Get real construction pricing before you agree to a number, so the allowance fits the actual job. Confirm who manages construction, how the money is paid out, and who covers any overrun. Ask for free rent during the build-out too, so you are not paying for space you cannot use yet.

Weigh the Term, the Options, and the Personal Guarantee

Landlords like longer leases and will often give more free rent and a larger allowance for them. Weigh that against the risk of being locked in if your business grows or shrinks. Options give you flexibility without the commitment: a right to renew at a set or market rent, a right of first refusal on space next door, or sometimes a right to end the lease early for a fee.

A small or new business will often be asked for a personal guarantee, which means you are personally responsible if the business cannot pay. Try to limit it. Common limits are a cap on the dollar amount, a guarantee that shrinks or ends after a period of on-time rent, or one that ends once you give proper notice and hand back the space in good condition. Have a lawyer read the full lease before you sign.

Use a Tenant Rep Broker, and Know Who Pays Them

A tenant representation broker works for you. They search the market, including space that is not widely advertised, compare the total cost of each option, write the LOI, and negotiate the terms above. The landlord's broker works for the landlord, however friendly they are.

In most commercial leases, the landlord pays the tenant's broker through the commission set in its listing agreement, so you often pay nothing directly. Confirm the arrangement in writing before you start touring, and ask your broker to explain exactly how they are paid.