Most self storage projects that struggle didn't fail because of the building. They failed because the market couldn't absorb another facility, and nobody tested that before the land was under contract. A feasibility study is the step that answers the question "should I build here at all?" before you spend money on site work, engineering, or steel.
Here's what that analysis actually looks at, and how to run a reasonable first pass yourself.
Start with Supply: How Much Storage Already Exists
The most commonly used measure of market saturation is rentable square feet of self storage per person in your trade area. National averages are often cited in the high single digits per capita, but treat that as a reference point rather than a target. Dense urban areas, resort markets, and rural counties all behave differently, and the national figure has shifted over time. Use current data for your specific area.
To build your own supply picture:
• Map every existing facility within a realistic drive-time radius, typically 3 to 5 miles in suburban markets and wider in rural ones
• Estimate each facility's rentable square footage from listings, aerial imagery, or a phone call
• Include facilities under construction or recently permitted, since they'll be open before yours is
• Divide total rentable square feet by the population in the trade area
A market well above the typical range isn't automatically a no-go, but it raises the bar for everything else on this list.
Check Occupancy, Not Just Square Footage
Supply numbers tell you how much storage exists. Occupancy tells you whether it's needed. If the facilities around you are running near full, that's a demand signal, and it's the strongest case for a new project. If they're sitting well below that and offering move-in specials, a new facility will have to take renters from them.
Practical ways to gauge this without paid data:
• Check online listings for availability by unit size. Sold-out sizes in a facility are visible
• Call competitors as a prospective renter and ask what's available and what the current rate is
• Look at whether competitors are advertising discounts such as first month free
Look at Demand Drivers
Storage demand follows people and life events. The strongest markets usually have some combination of:
• Population growth, especially new housing construction
• A high share of renters and multifamily housing, where residents have less on-site space
• Moving activity, such as military bases, universities, and job-growth corridors
• Small business density, since contractors and sellers use storage for inventory and equipment
• HOA restrictions that push boats, RVs and trailers offsite
Rank these for your market. A site with two or three strong drivers is a safer bet than one that depends on a single employer or institution.
Compare Rental Rates to Build Cost
A facility has to pencil on paper. Gather current asking rents per square foot for the unit types you plan to build, then work backward: what occupancy do you need to cover debt service and operating costs, and is that realistic given what competitors are achieving? Rents that look attractive in a feasibility spreadsheet can disappear if the market is oversupplied, so use what nearby facilities actually charge, not the highest rate you can find.
Test the Unit Mix Against the Trade Area
Demand isn't uniform across unit sizes. A trade area full of apartment renters leans toward smaller units and climate-controlled space. A rural or exurban market with larger properties and recreational ownership may need bigger drive-up units and vehicle storage. Your feasibility work should end with a recommendation on what to build, not just a yes or no on whether to build.
When to Bring in a Professional Study
A first-pass analysis like this can rule a market in or out, and it's worth doing before you pay for anything. If you're borrowing money, expect your lender to require an independent feasibility or market study. Those typically bring paid data on competitor rents, occupancy and pipeline projects that you can't easily gather yourself. Doing your own pass first means you walk into that conversation knowing what the study is likely to say.
The Bottom Line
A feasibility analysis looks at four things: how much storage already exists, how full it is, what's driving demand, and whether the rents you can realistically charge support the cost of building. Get honest answers to those before you commit to a site, and the rest of the process, from permitting to financing to design, rests on a firmer foundation.
Have a site that passed your first-pass analysis? Contact Duro Storage to talk through building sizes and unit configurations for your project.
