Data centers are most often allowed in light or general industrial zones, and some codes also allow smaller facilities in office or business park districts. More counties now require a special permit for large data centers, even where they were once allowed by right.
New to zoning types? Read what industrial zoning means and what it allows.
I - Industrial
or
C - Commercial
Is a data center allowed in Columbus?
Open the Columbus zoning map to find a property's zoning district, then check what that district allows.
Check zoning in Columbus, OH →Older codes often didn't list data centers at all, so planners slotted them in as offices, warehouses or utilities. Newer codes usually define the use and sort it by scale.
| Facility type | Where it usually fits |
|---|---|
| Server room inside an office | Accessory to the office use, in any zone that allows offices |
| Small edge or colocation site | Office, business park or light industrial zones |
| Enterprise or mid-size data center | Light industrial or business park zones, sometimes conditional |
| Hyperscale campus | Industrial zones or a special district, often with a special permit or rezoning |
That's why many people ask whether data centers count as light industrial. In most codes that's the closest fit, since the buildings mostly hold equipment and see little public traffic. The light industrial guide and the industrial zoning guide describe those districts.
Some places that once welcomed data centers are adding steps. Loudoun County, Virginia, approved changes on March 18, 2025 that made data centers a special exception use in areas where they had been allowed by right. Other counties are writing data center ordinances, overlay districts or temporary pauses.
In practice, read the current ordinance and ask about pending amendments. A use table you found last year may already be out of date.
It ranges widely. An edge site can fit in a small building or part of a warehouse. A single large data center building often needs several acres once you add parking, generators, cooling equipment and setbacks. Hyperscale campuses with several buildings and their own substation can cover dozens to hundreds of acres.
Your code's lot coverage, height and floor area limits shape how much fits. The floor area ratio calculator gives a quick estimate.
Neighbors usually worry about noise from rooftop cooling equipment and backup generators, plus the size of the buildings. Codes and permit conditions commonly respond with:
Backup generators often need an air permit from the state environmental agency, separate from zoning.
Zoning is rarely the hardest part. Data centers used about 4.4 percent of U.S. electricity in 2023, and the Department of Energy projects that share could reach 6.7 to 12 percent by 2028. Utilities in busy markets may need years to deliver new capacity, so many developers ask the utility about power before they file any zoning application. Water for cooling can raise similar questions with the local water provider.
To start, search for your city's zoning map and confirm the parcel's district. Smaller server rooms inside regular buildings fall under office space zoning.
Usually not. A variance is for relief from standards like height or setbacks. Data centers more often need a conditional use permit, special exception or rezoning, and a variance only comes up if the design breaks a specific standard.
Often, if the zone allows data centers. The conversion usually needs a change-of-use review, plus electrical and building permits for the new power and cooling equipment.
An overlay district is a zoning layer placed over existing districts that adds rules or permissions for a specific use. Some counties use one to steer data centers to areas with power and away from homes.
Sometimes. Some codes define crypto mining separately because of its noise and power use, and a few restrict it more tightly than data centers. Check whether your code lists it as its own use.