Commercial Lease Review

For most operating businesses, the lease is the largest contract the owner will sign that year, and often the longest. A five year lease on a modest retail bay or office suite can commit a company to several hundred thousand dollars in rent, plus taxes, insurance, maintenance, and a personal guaranty that follows the owner home. Yet many small business owners sign the landlord’s form after negotiating only the rent and the move in date.

We signed leases as business owners before we reviewed them as lawyers, and the provisions that hurt us were never the rent. They were the operating expense pass throughs that grew every year, the repair clause that made us replace a roof unit, and the assignment clause that complicated a sale. This guide explains how commercial leases work in Oklahoma, which terms matter most, what tenants can realistically negotiate, and the issues that deserve a careful review before you sign.

Table of Contents

• Why Commercial Leases Deserve a Close Review
• Gross, Net, and Triple Net Leases
• Rent, Escalations, and Square Footage
• Operating Expenses and CAM Charges
• Buildout, Improvements, and Delivery
• Repairs, Maintenance, and Compliance
• Use, Exclusives, and Operating Covenants
• Personal Guaranties and Security Deposits
• Assignment, Subletting, and Selling Your Business
• Term, Renewal, and Exit Rights
• Insurance, Casualty, Default, and Lender Documents
• Oklahoma Specific Considerations
• Frequently Asked Questions
• Signing With Leverage

Why Commercial Leases Deserve a Close Review

Residential tenants in Oklahoma are protected by a landlord and tenant statute that sets minimum standards for repairs, deposits, and evictions. Commercial tenants generally are not. A commercial lease is enforced largely as written, which means the document itself decides who pays for what, what happens when something breaks, and how the relationship ends.

Commercial leases are also written by the landlord’s lawyer to protect the landlord. That is not unfair; it is the starting point. The City of Seattle’s commercial lease checklist for small businesses makes the same point: commercial leases are binding contracts, and tenants should understand them before signing. Most landlord forms have room for negotiation, particularly in markets with available space. The Oklahoma City office market, for example, ended 2025 with about 25.9 percent vacancy according to Creek Price Edwards, and Cushman & Wakefield’s market reports describe vacancy as elevated. Retail and industrial conditions differ by submarket, but well qualified tenants often have more leverage than they assume.

Gross, Net, and Triple Net Leases

The lease structure determines who bears the building’s operating costs. Commercial leases fall along a spectrum:

Wikipedia’s overview of the net lease explains these variations. The labels are not standardized, so the definitions inside the lease, not the label on the first page, decide what you pay.

Rent, Escalations, and Square Footage

Base Rent and Escalations

Base rent is usually quoted per square foot per year. Most multi year leases include escalations, commonly a fixed annual percentage or a fixed step up each year. Some tie increases to an inflation index, which can surprise tenants in inflationary years. Model the total rent over the full term, including every renewal period, rather than comparing first year rent alone.

Free Rent and Rent Commencement

Abatement periods, often called free rent, are a common concession. Read carefully how they work: some leases abate only base rent while operating expenses still apply, and many make the abated rent payable if the tenant later defaults. Distinguish the commencement date, when the lease term starts, from the rent commencement date, when payments begin, and tie rent commencement to the landlord’s completion of its work.

Rentable Versus Usable Square Feet

In multi tenant buildings, rent is often charged on rentable square feet, which includes a share of lobbies, corridors, and restrooms, rather than the usable space you occupy. The difference is the load factor, which TenantBase explains as the percentage that converts usable space into rentable space. Confirm how the space was measured, and whether the landlord can remeasure and increase rent later.

For negotiating strategy, Bluevine’s guide to negotiating rent offers a practical small business perspective, and our article on contract negotiation styles covers approaches that work across deals.

Operating Expenses and CAM Charges

In net and modified gross leases, operating expenses and common area maintenance (CAM) charges are often where the real cost lies. They are estimated monthly and reconciled after year end, which means a tenant can receive a significant bill months later.

Points worth negotiating:

• Clear definitions. What is included, and just as important, what is excluded: capital improvements, the landlord’s financing and leasing costs, costs to fix construction defects, management fees above a set percentage, and costs reimbursed by insurance or other tenants.
• Caps on increases. A cap on annual increases in controllable expenses, usually excluding taxes, insurance, and utilities.
• Capital items. If capital costs are included, require them to be amortized over their useful life rather than billed in a single year.
• Proportionate share. Confirm the denominator, so you are not absorbing the share of vacant space or of anchor tenants that pay under different terms.
• Audit rights. The right to review the landlord’s records and recover overcharges, with the landlord paying for the audit if the overcharge exceeds a threshold.

Buildout, Improvements, and Delivery

Few businesses move into space exactly as it stands. The lease should be clear about who builds what, who pays, and what happens if the space is not ready.

• Delivery condition. Whether the landlord delivers the space “as is” or with base building systems (HVAC, electrical, plumbing, roof) in good working order, and for how long the landlord stands behind them.
• Landlord’s work versus tenant’s work. A detailed work letter describing the scope, plans approval, and the schedule.
• Tenant improvement allowance. The amount the landlord contributes toward the buildout, often per square foot, and when and how it is paid. Wikipedia’s article on tenant inducements describes these incentives. Watch for allowances paid only after completion, which require the tenant to finance construction first.
• Delays. Rent abatement or termination rights if the landlord misses delivery deadlines.
• Restoration. Whether the tenant must remove its improvements and restore the space at the end of the lease, which can be costly for restaurants, medical offices, and specialized buildouts.

Repairs, Maintenance, and Compliance

The repair clause decides who pays when something expensive breaks. In triple net leases, tenants often bear far more than they expect.

• Roof and structure. Usually the landlord’s responsibility in multi tenant buildings, but often shifted to the tenant in single tenant leases.
• HVAC. Many leases make the tenant responsible for maintaining and replacing HVAC units serving its space. A rooftop unit replacement can cost thousands of dollars. Negotiate a landlord warranty for the first year, a maintenance only obligation, or a cap on replacement costs, especially near the end of a term.
• Legal compliance. Both landlords and tenants that serve the public have obligations under the Americans with Disabilities Act; the ADA.gov guide for businesses open to the public describes them. The lease should allocate responsibility for bringing common areas and the tenant’s space into compliance, and for code upgrades triggered by the tenant’s buildout.
• Environmental conditions. The tenant should not be responsible for contamination that existed before it moved in.

Use, Exclusives, and Operating Covenants

The use clause defines what the tenant may do in the space. A narrow use clause can block a future pivot, a new product line, or a buyer’s plans when the business is sold. Ask for a broad use clause, such as any lawful use consistent with the character of the property.

Retail tenants should also look at:

• Exclusive use rights that prevent the landlord from leasing nearby space to a direct competitor
• Cotenancy clauses that reduce rent if anchor tenants leave
• Operating covenants requiring the tenant to stay open during set hours
• Radius restrictions barring the tenant from opening another location nearby
• Relocation clauses allowing the landlord to move the tenant to other space in the property

Before signing, confirm that the zoning and the certificate of occupancy allow your use. A lease does not override the city’s zoning code, and the landlord may disclaim responsibility. The SCORE guide to choosing a physical location covers practical site selection questions.

Personal Guaranties and Security Deposits

Landlords leasing to small businesses usually ask the owners to personally guarantee the lease. A guaranty undoes much of the liability protection an LLC or corporation provides, and it can survive the business itself. Our guide to forming an Oklahoma LLC explains why the entity’s protection matters and where guaranties fit.

Guaranties are negotiable. Common limits include:

• A cap, such as a fixed dollar amount or a number of months of rent
• A burn off, reducing or ending the guaranty after a period of on time payments
• A good guy guaranty, limiting the guarantor’s liability to rent through the date the tenant vacates and returns the keys after proper notice
• Release on assignment to a qualified buyer of the business

Security deposits and letters of credit are the other common credit support. Negotiate when and how the deposit is returned, whether it can be reduced after a period of good payment history, and that it is returned promptly at the end of the term.

Assignment, Subletting, and Selling Your Business

Few lease clauses matter more to an owner’s eventual exit. Most leases prohibit assignment or subletting without the landlord’s consent, and many treat a change in ownership of the tenant as an assignment. That means selling the business, bringing in a new investor, or even restructuring ownership can require the landlord’s approval.

Ask for:

• Consent that cannot be unreasonably withheld, conditioned, or delayed
• Permitted transfers without consent to affiliates, successors by merger, and buyers of substantially all the business’s assets
• Release of the original tenant and guarantors after an approved assignment
• Limits on recapture rights, which let the landlord terminate the lease instead of consenting
• Limits on profit sharing from a sublease or assignment

Buyers of a business routinely review the lease, and a lease that cannot be transferred can reduce the price or kill the deal. Our guides to selling a business in Oklahoma and buying a business in Oklahoma cover how leases are handled in a sale, and our comparison of asset and stock purchases explains how structure affects consent requirements.

Term, Renewal, and Exit Rights

Longer terms usually bring better rent and larger allowances, but less flexibility. Balance them with options:

• Renewal options at a fixed rent or a defined fair market rent, with a clear process for determining market rent and a notice window you can actually track.
• Expansion rights, such as a right of first offer or first refusal on adjacent space.
• Early termination rights, usually in exchange for a fee covering the landlord’s unamortized costs.
• Holdover terms. Leases commonly charge 150 to 200 percent of rent if the tenant stays past expiration. Negotiate a lower rate for a short grace period, and exclude consequential damages.

Insurance, Casualty, Default, and Lender Documents

Insurance and Casualty

The lease will require the tenant to carry liability and property insurance and to name the landlord as additional insured. Look for a mutual waiver of subrogation, which prevents each side’s insurer from suing the other after a covered loss. The casualty clause should address who rebuilds after a fire or storm, how long the landlord has to restore the premises, rent abatement while the space is unusable, and the tenant’s right to terminate if restoration will take too long.

Default and Remedies

Negotiate written notice and a reasonable cure period before a default, and limits on the landlord’s remedies. Watch for rent acceleration clauses that make all future rent due at once, and for the landlord’s lien or security interest in the tenant’s equipment and inventory, which can conflict with a lender’s financing. If you finance equipment or have an SBA loan, the lender may require a landlord waiver; our guide to SBA 7(a) loans covers lender requirements.

SNDAs and Estoppels

Landlords’ lenders often require tenants to subordinate their leases to the mortgage. In exchange, tenants should ask for a nondisturbance agreement, so that if the landlord’s lender forecloses, the tenant can stay as long as it is not in default. Leases also usually require tenants to sign estoppel certificates confirming the lease terms when the landlord sells or refinances. Review each one before signing; an estoppel can waive claims you did not know you had.

Oklahoma Specific Considerations

Oklahoma leaves most commercial lease terms to the parties’ contract, which makes careful drafting and review more important. Business owners negotiating a new lease or renewal can work with our Oklahoma commercial transactions attorneys.

• No residential protections. Oklahoma’s residential landlord and tenant statute governs dwellings, not commercial space. Commercial tenants rely on the lease and general contract law.
• Put it in writing. Under Oklahoma’s statute of frauds, a lease for longer than one year must be in writing to be enforceable. Oral promises about allowances, repairs, or renewals should be in the lease.
• Evictions move quickly. Oklahoma’s forcible entry and detainer process applies to commercial tenants and can move fast, so notice and cure provisions in the lease matter.
• Storms and roofs. Oklahoma’s hail and severe weather make roof, casualty, and insurance clauses especially important, particularly in net leases.
• Business personal property tax. Oklahoma taxes business personal property such as furniture, equipment, and inventory. Tenants file renditions with the county assessor, and the Oklahoma County Assessor asks businesses to file by March 15.
• Record long leases. For long terms or valuable options, consider recording a memorandum of lease with the county clerk to give notice to later buyers and lenders.

Frequently Asked Questions

• Can I negotiate a commercial lease?

  Yes. Rent, allowances, operating expenses, repairs, the guaranty, assignment rights, and renewal options are all commonly negotiated, especially in markets with available space.

• What is a triple net lease?

  A lease in which the tenant pays base rent plus its share of the property’s taxes, insurance, and common area maintenance.

• What are CAM charges?

  Common area maintenance charges cover the costs of operating shared areas of a property. They are usually estimated monthly and reconciled after year end.

• Do I have to sign a personal guaranty?

  Small business landlords usually ask for one, but its amount, duration, and scope can often be limited through caps, burn offs, or a good guy guaranty.

• Who is responsible for HVAC repairs?

  Whoever the lease says. Many net leases put HVAC maintenance and replacement on the tenant, so negotiate warranties or caps before signing.

• Can I sell my business if I have a lease?

  Usually, but most leases require the landlord’s consent to assign, and many treat a change of ownership as an assignment. Negotiate transfer rights up front.

• What is a tenant improvement allowance?

  Money the landlord contributes toward building out the space. Confirm the amount, what it covers, and when it is paid.

• What is an SNDA?

  A subordination, nondisturbance, and attornment agreement. It subordinates the lease to the landlord’s mortgage but lets the tenant stay if the lender forecloses.

• Does Oklahoma’s landlord tenant law protect commercial tenants?

  Generally no. Oklahoma’s residential landlord and tenant statute governs dwellings. Commercial tenants rely on the lease and contract law.

• Does a commercial lease have to be in writing in Oklahoma?

  A lease for more than one year must be in writing to be enforceable.

• When should I have a lawyer review my lease?

  Before you sign the letter of intent if possible, and certainly before you sign the lease, when your leverage is highest.

Signing With Leverage

A commercial lease shapes the cost structure, flexibility, and eventual sale value of a business for years. The rent is the number everyone negotiates; the operating expense, repair, guaranty, and assignment provisions are where the long term cost and risk usually hide. Reviewing the letter of intent and the lease before committing, modeling the full cost over the term, and building in the flexibility to grow, relocate, or sell are what turn a landlord’s form into a lease that works for the tenant.

If you are weighing whether to lease or buy your space, our guide to SBA 504 loans covers financing owner occupied real estate. If you are opening a franchise location, see our guide to buying a franchise in Oklahoma, since franchisors often require their own lease terms.

Disclaimer: This article provides general information about commercial leases in Oklahoma and is not legal advice. Lease terms vary widely by property type, market, and landlord, and the right negotiating approach depends on the specific space and business. Laws change and every situation turns on its own facts. For guidance on your specific situation, consult qualified Oklahoma counsel.

About Cantrell Law Firm: We are former entrepreneurs who now help Oklahoma business owners negotiate the contracts their companies run on, including commercial leases. Learn more about our commercial transactions practice. Contact us to discuss your lease.