Resources
Warehouse & commercial real estate glossary
Plain-English definitions of the warehouse leasing and commercial real estate terms small business owners run into, from NNN leases and CAM charges to clear height, 3PL, and cross-docking. No jargon, no fine print.
Lease Types
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Gross Lease
A gross lease (or full-service lease) is a commercial lease where the tenant pays a single flat rent and the landlord covers most operating costs, including property taxes, insurance, and maintenance. It is the simplest and most predictable lease structure for tenants.
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Modified Gross Lease
A modified gross lease is a commercial lease that splits operating costs between landlord and tenant. The tenant pays a base rent that includes some expenses, while others, such as utilities or janitorial, are paid separately. It sits between a full gross lease and a triple net lease.
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Month-to-Month Lease
A month-to-month lease is a rental agreement that renews automatically each month and can be ended by either party with proper notice, usually 30 days. It gives tenants maximum flexibility instead of locking them into a multi-year commitment.
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Sublease
A sublease is an arrangement where a tenant rents out all or part of their leased space to another party (the subtenant), while the original tenant remains responsible to the landlord. It is a common way businesses offload space they no longer need.
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Triple Net (NNN) Lease
A triple net (NNN) lease is a commercial lease where the tenant pays a base rent plus the three 'nets': property taxes, building insurance, and common area maintenance (CAM). It shifts most of a building's operating costs onto the tenant on top of rent.
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Lease Costs & Terms
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CAM Charges
CAM (common area maintenance) charges are fees a commercial tenant pays to cover the upkeep of shared spaces in a property, such as parking lots, landscaping, lighting, security, and exterior repairs. They are usually billed on top of base rent and reconciled annually.
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Escalation Clause
An escalation clause is a provision in a lease that raises the rent over time, either by a fixed percentage each year, a set dollar amount, or in step with an index like inflation. It guarantees the landlord rising income across the lease term.
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Holdover Tenant
A holdover tenant is a tenant who stays in a space after their lease has expired without signing a new agreement. Many commercial leases penalize this with holdover rent of 150 to 200 percent of the normal rate until the tenant leaves or renews.
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Personal Guarantee
A personal guarantee is a clause in a commercial lease where the business owner personally promises to cover the rent if the business cannot. It puts your personal assets, such as your home or savings, on the line for the company's lease obligations.
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Security Deposit
A security deposit is money a tenant pays upfront that a landlord holds to cover unpaid rent or damage at the end of a lease. On commercial space it often equals one to several months of rent, tying up cash a small business could otherwise use to grow.
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Tenant Improvement Allowance
A tenant improvement allowance (TI allowance) is money a landlord agrees to contribute toward customizing a leased space for a tenant, such as building offices, adding lighting, or installing fixtures. It is usually quoted as a dollar amount per square foot.
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Insurance & Compliance
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Additional Insured
An additional insured is a person or business added to someone else's insurance policy so they are also covered by it. Commercial landlords typically require tenants to name them as additional insured on the tenant's liability policy as a condition of the lease.
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Certificate of Insurance (COI)
A certificate of insurance (COI) is a one-page document from your insurer that proves you carry an active insurance policy and summarizes its coverage and limits. Commercial landlords almost always require a COI, naming them as additional insured, before a tenant can move in.
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Certificate of Occupancy
A certificate of occupancy (CO) is an official document from a local government confirming that a building meets code and is safe and legal to occupy for a specific use. Businesses often need a valid CO before they can legally operate in a space.
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General Liability Insurance
General liability insurance covers a business against claims of bodily injury, property damage, and related risks from its operations. It is the core coverage commercial landlords require tenants to carry, typically with limits around $1 million per occurrence.
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Industrial Zoning
Industrial zoning is a land-use classification that designates areas for industrial activities such as warehousing, manufacturing, distribution, and assembly. Zoning rules determine what a business is legally allowed to do in a given location.
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Warehouse Features & Specs
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Clear Height
Clear height is the usable vertical distance in a warehouse, measured from the floor to the lowest overhead obstruction, such as a beam, joist, or sprinkler. It determines how high you can stack inventory or racking, making it a key measure of a space's true storage capacity.
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Loading Dock
A loading dock is a designated area of a warehouse where trucks load and unload goods. Dock-high docks sit at trailer-bed height for direct forklift transfer, while grade-level doors meet the ground for drive-in access. Docks are essential for efficient shipping and receiving.
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Mezzanine
A mezzanine is an intermediate floor built between the main floor and ceiling of a warehouse or building. It adds usable square footage, such as extra storage, office, or work area, by taking advantage of vertical space without expanding the building's footprint.
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Rentable vs. Usable Square Feet
Usable square feet is the space a tenant can actually occupy and use. Rentable square feet adds a share of common areas, so you pay for more than you use. The gap between the two is the 'load factor,' and it can quietly inflate your real cost per square foot.
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Space Types
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Climate-Controlled Warehouse
A climate-controlled warehouse is a space that maintains a stable temperature and humidity range year-round using HVAC, keeping inventory, equipment, and people comfortable. Unlike deep-freeze cold storage, it holds an ambient, regulated environment suited to most goods and everyday operations.
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Cold Storage Warehouse
A cold storage warehouse is a temperature-controlled facility designed to store perishable or temperature-sensitive goods, such as food, beverages, pharmaceuticals, and floral products. It maintains refrigerated or frozen conditions to keep inventory safe and compliant.
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Distribution Center
A distribution center is a warehouse focused on receiving, storing briefly, and quickly shipping goods out to retailers, businesses, or customers. Its priority is fast throughput and order flow rather than long-term storage.
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Flex Space
Flex space is a versatile type of commercial property that combines warehouse or industrial area with office or showroom space under one roof. It 'flexes' to suit many uses, from storage and light manufacturing to ecommerce fulfillment and trades.
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Light Industrial Space
Light industrial space is commercial property zoned for lighter production, assembly, storage, and distribution activities that have a low impact on the surrounding area. It covers uses like small-scale manufacturing, fabrication, warehousing, and trades, without the heavy machinery or emissions of heavy industry.
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Office Warehouse
An office warehouse is a single unit that pairs warehouse or storage area with finished office space, letting a business store product and run day-to-day operations from one location. It is a common form of flex space for small and growing companies.
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Logistics & Fulfillment
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Cross-Docking
Cross-docking is a logistics practice where incoming goods are unloaded from inbound trucks and moved directly to outbound trucks with little or no storage in between. It speeds up distribution and reduces warehousing and handling costs.
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Fulfillment Center
A fulfillment center is a warehouse set up to receive, store, pick, pack, and ship customer orders, usually for ecommerce. Unlike a pure storage warehouse, it is built around fast, high-volume order processing and outbound shipping.
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Pick and Pack
Pick and pack is the order-fulfillment process of selecting (picking) the right items from inventory and packing them into a shipment for a customer. It is the core day-to-day workflow of any warehouse that ships individual orders.
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SKU (Stock Keeping Unit)
A SKU (stock keeping unit) is a unique code a business assigns to each distinct product or variant to track inventory. SKUs let you know exactly what you have, where it is, and how fast it sells, making them the backbone of inventory management.
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Third-Party Logistics (3PL)
Third-party logistics (3PL) is the outsourcing of warehousing, fulfillment, and shipping to an outside provider. A 3PL stores a company's inventory, then picks, packs, and ships orders on its behalf, so the business does not have to run its own warehouse.
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