High-Piled Storage Permitting — Stein Service & Supply

Do You Need a High-Piled Storage Permit?

Under the International Fire Code, you need a permit once a building holds more than 500 square feet of high-piled combustible storage. “High-piled” means the top of the storage sits above 12 feet, or combustible materials sit in closely packed piles. “Combustible” counts the carton and the wood pallet, not just the product inside.

That covers most pallet rack projects. These are the common triggers we see.

Storage with the top of the load above 12 feet, whether rack, shelving, or floor-stacked piles
More than 500 square feet of high-piled storage area
Combustible commodities, including Group A plastics in the product or its packaging
A new tenant or a change of use in an existing building. New usage must meet current codes, even if the last occupant never needed to.

The order matters most. If you install the rack first and permit it second, you may be told to tear the system down and start over. Get the walkthrough before the anchors go in. Someone who knows the local rules can tell you what the building needs while changes are still cheap.

How Our Permitting Process Works

01

Site Walkthrough

Our team visits the jobsite to review warehouse conditions. We check sprinklers, emergency lighting, signage, and building conditions. We also compare the proposed layout against the actual facility conditions.

02

Schedule the Review Date

Once the project details are ready, we request a permit review date. These reviews are often scheduled three to four weeks out, so it’s important to start early. That timeline continues whether your rack materials have shipped or not.

03

Assemble the Permit Package

Engineers, along with an architect or CAD designer, prepare the sealed drawings for the permit package. We review them with you before submittal. Sometimes the building itself needs work first, such as adding an exit door or stairway, emergency lighting, or exit signs.

04

Permit Review & Pickup

We submit the application and sealed drawings before the review date. The reviewer checks the package and may ask for clarification. Once approved, we pick up the permit and send the stamped drawings to the job site before construction begins.

05

Inspections & Certificate of Occupancy

After installation, we request the required building and fire inspections. Electrical inspections may also be needed. Once the project passes inspection, you can receive the Certificate of Occupancy and begin operations.

Start to finish, plan on a couple of weeks to a few months depending on the jurisdiction. A month or more is common. Run the permit at the same time as your rack order, and most of that wait overlaps the factory lead time instead of adding to it.

What We Need to Start

To begin the permitting process we need a handful of details about the building and what is going in it. If you do not have drawings, that is not a problem.

Building address
Proposed rack layout
Storage height
Product type
Pallet load information
Any available building drawings

If drawings are not available, we can walk the site and gather the measurements ourselves.

What Goes in the Application

Requirements vary by county, but the core package is similar everywhere. If you can put this list together, you can permit almost anywhere. Two groups must sign off before the permit is issued: the Building Department and the Fire Department. Once the construction cost passes a certain amount, a licensed general contractor must run the project. Stein is a licensed GC.

Permit application
Building Code Summary (Appendix B) filled out for your facility and system
List of commodities and how they are stored
Sprinkler drawings and hydraulic design criteria
PE-stamped structural drawings showing anchors, with details and calculations
Seismic calculations
Egress/floor plans showing rack layout, exits, and directional signage

To see what reviewers expect, here are examples of designs and drawings from our past projects, plus the fire code chapter that covers high-piled storage.

Building Plan One Building Plan Two Structural Plan One Structural Plan Two North Carolina Fire Code Information Electrical Permitting Requirements

Permitting Anywhere We Work

Most Places Start From the Same Fire Code

Most jurisdictions work from the same fire code foundation, but adopted code editions, local amendments, paperwork requirements, and inspector interpretation can vary. The core triggers are consistent: the 12-foot and 500-square-foot thresholds, and the commodity classes (Class I through IV, high hazard, and Group A/B/C plastics) that set your sprinkler requirements. Wire decking is another helpful constant, since it usually lets rack be treated as rack without solid shelves, so sprinklers reach every level through the mesh and in-rack sprinklers can often be avoided.

The Paperwork Varies by County

Some counties want only the application, structural drawings, and seismic calculations. Stricter ones also require sealed electrical plans, lighted exit signs visible from every aisle with battery or generator backup, and emergency lighting that gives 1 FC at the floor.

The Inspector Varies Too

In our experience, rules get read inspector by inspector. What one approves, another may send back for changes in the same city. We cannot promise you an easy reviewer. We can put together drawings that leave little to argue with.

Core Service AreaProjects in 2025

United States map showing Stein’s core service area in the Southeast and states with projects in 2025

A package built for a strict county usually travels well, since the code backbone is shared. Local amendments and forms still differ, which is what we check before anything is submitted. Get the Permitting Guide

How a Rack Permit Comes Together

The rack layout is drawn and dimensioned, the seismic base detail is added, and the drawing is stamped and approved.

Permitting Questions

Do I need a permit for my pallet rack?

Probably. Most city building codes require a permit when you store inventory above a certain height or store combustible goods. “Combustible” includes the packaging and the pallet, not just the items. The process itself varies a lot by location.

What happens if I install before getting a permit?

You may be told to take the system down and start over. It also tends to cost more, because the changes a building needs, like an added exit or emergency lighting, are far cheaper to sort out before the anchors go in than after the rack is standing and loaded. Get the walkthrough first.

How long does the permitting process take?

The permit review date alone is usually 3–4 weeks out from application. Start to finish, with the walkthrough, drawings, review, and inspections, plan on a couple of weeks to a few months depending on the jurisdiction. Start the permit at the same time as your rack order and most of the wait overlaps the factory lead time.

What do I need to apply?

It varies by city, but expect documents, sealed approval drawings, site visits, and calculations. Both the local Building Department and Fire Department must approve them. In stricter counties the package also includes sprinkler drawings, hydraulic design criteria, seismic calculations, and egress plans.

Can I get a permit for used pallet rack?

You can, but it can be harder. The PE-stamped structural drawings and seismic calculations require the engineer to know the specs of the racking. With new or easy-to-identify rack, that information comes straight from the manufacturer. But much of the used rack on the market has no identifying marks, so the exact specs are nearly impossible to establish.

Does my seismic zone matter?

Yes. If your facility is in a zone with high earthquake risk, expect the cost and calculations behind the permit to go up. The rack must be shown to withstand an earthquake without collapsing and putting people in danger.

Who pulls the permit?

We do. Stein handles the application, the review, and the inspections through to the Certificate of Occupancy, the same way we handle warehouse design and installation. We are a licensed general contractor in North and South Carolina, which is required once a project’s construction cost passes a certain size.