What Zoning Is Required for Storage Units?
Self-storage is usually allowed in light industrial zones and in some highway or general commercial zones, often only with a conditional use permit. Many cities keep it out of retail districts, and residential zones almost never allow a storage business.
New to zoning types? Read what commercial zoning means and what it allows.
What zoning does a storage unit facility need?
C - Commercial
or
I - Industrial
Is a storage unit facility 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 →
Where Self-Storage Is Usually Allowed
Codes list this use as "self-service storage," "mini-warehouse" or "self-storage facility." Where it lands depends a lot on the building type.
| Zone type | How self-storage is usually treated |
|---|---|
| Light industrial | Commonly allowed by right, including drive-up units |
| Highway or general commercial | Often conditional, sometimes limited to indoor, multi-story buildings |
| Neighborhood commercial or downtown | Often prohibited, or allowed only above or behind ground-floor shops |
| Residential | Not allowed as a business |
The guides to light industrial zoning and commercial zoning explain what those districts generally allow.
Why Cities Restrict Self-Storage
Self-storage takes a lot of land and creates few jobs or shoppers. Several cities have paused new facilities with temporary moratoriums, and others keep them away from rail stations or main streets, according to the history of self-storage regulation. That's why a commercial zone that allows nearly every kind of store may still say no to storage.
If your target zone requires a conditional use permit, expect questions about how the building looks from the street, traffic and late-night access.
How Much Land a Storage Facility Needs
There's no single answer, but you can rough it out. A single-story, drive-up facility often covers somewhere around 35 to 45 percent of the site with buildings. The rest goes to drive aisles wide enough for trucks, setbacks, landscaping, stormwater and the office.
Using those assumptions, here's a rough example:
- 100 units of 10 by 10 feet is 10,000 square feet of rentable space, or about 12,000 square feet of building with walls and halls.
- At 40 percent coverage, that needs about 30,000 square feet of land, roughly two-thirds of an acre.
- On 2.5 acres at the same coverage, you'd have room for very roughly 300 to 400 units of that size.
Multi-story, climate-controlled buildings fit far more units per acre. Your code's lot coverage and setback rules set the real limit. The lot coverage calculator checks a site plan against them.
Can You Build Storage Units on Residential Land?
Not as a business in most places. Renting units to the public is a commercial use, and residential zones typically allow only storage buildings for the owner's own use, such as a shed or detached garage. Some rural and agricultural zones allow small storage businesses with a conditional use permit, so check the use table if your land is outside town.
Rezoning residential land for self-storage is possible but often hard, since neighbors tend to oppose it.
Design and Building Code Rules
Codes and permits for storage often require:
- Building walls facing the street that look like an office or shop, not a row of roll-up doors
- Unit doors that face into the site rather than toward the street or homes
- Decorative fencing and a landscaped edge in place of chain link
- Limits on access hours near homes, and lighting shielded from neighbors
- Rules against businesses, repairs or living in units
Under the International Building Code, a self-service storage facility is Group S-1, moderate-hazard storage, which affects fire separation and sprinkler requirements.
Similar Storage Uses
Open-air yards and vehicle storage follow different rules. Compare boat and RV storage zoning, outdoor storage and a warehouse.
Storage Unit Facility Zoning FAQ
Are storage units considered commercial property?
Yes. A self-storage facility rents space to the public for a fee, so it's a commercial property even when it sits in an industrial zone. Lenders and appraisers also treat it as commercial real estate.
Can you live in a storage unit?
No. Nearly every jurisdiction bans using a storage unit as a home, and storage leases usually prohibit it too.
What zoning do you need for RV storage?
Outdoor vehicle storage often has its own line in the use table, separate from enclosed units. The boat and RV storage guide covers where it's usually allowed.
Can I convert an old store or warehouse into self-storage?
Often, if the zone allows self-storage. A change of use usually means building code upgrades for the new storage occupancy, and some cities limit conversions of storefronts on main streets.