Joe DownsCEO & Co-Founder, Belrose Storage Group. Founder, Storage Moguls.

The 40 Foot Rule That Decides Your Facility Class

3 Apr 2026 · 1 min

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Drive aisle width determines your storage facility's class and which customers you can attract. Under 40 feet, you're Class C and limited to small vessels and older trailers. At 40-50 feet, you're Class B and can serve mid-range boats and RVs. Wider aisles are needed to capture high-value Class A motorhome owners.

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If your drive aisles are under 40 feet, you are a Class C facility regardless of what else you have, because your tenants will be smaller vessels, older trailers, or jet skis. Class A motorhome owners will look at your entrance, do the math, drive to the facility down the road. They're not, they're not parking with you. If your aisles are 40 to 50 feet, now you can serve mid-range boats and RVs, travel trailers, moderate-sized fifth wheels. You're in Class B territory, again, regardless of amenities. You're leaving the highest value tenants on the table though, but you have a viable, profitable facility, I'm sure.