Monthly street rent for a standard 10x10 self-storage unit, the figure that sets what a waitlisted prospect expects to pay and what every vacant day costs the operator in Delaware (2026)
A typical Delaware range, the local factors behind it, and the tools to price your own project.
Reviewed for 2026, updated September 8, 2026.
What drives the cost in Delaware
Delaware has no state sales tax, which makes the advertised monthly rent the actual price for storage and simplifies what a waitlisted prospect expects to pay. Rents in New Castle County near Wilmington and the Philadelphia suburbs tend to sit near or slightly above the national typical range, while Sussex County beach towns see a seasonal jump as summer renters and second-home owners look for space. Coastal humidity favors climate-controlled units, and the small size of the state means prospects will readily cross into Maryland or Pennsylvania if your list moves too slowly.
Tips for Delaware buyers
- Alert quickly; with Maryland and Pennsylvania facilities minutes away, a slow list loses to the neighbor.
- Beach town facilities should open a seasonal list in spring for summer renters and again in fall for boat and gear storage.
- Use the no-sales-tax point in your alert copy for prospects comparing across state lines.
Ranges are hedged planning estimates derived from a national typical range and a local index, not quotes. A typical 10x10 unit commonly rents somewhere in this range per month, with drive-up units toward the low end and climate-controlled units in dense metros toward or above the high end; local supply, new construction, and seasonal demand move it widely, so treat this as a working reference rather than a survey figure.
Price your project
- Storage Waitlist Alert ROI Calculator: Estimates how much rent a self-storage facility recovers each year by refilling vacated units faster with waitlist alerts, and whether the software pays for itself.
- Storage Waitlist Depth Planner: Works out how many active prospects a self-storage facility should keep on its waitlist for a given unit size, and how many new sign-ups it needs each month to stay there.
- Vacancy Outreach Time Saved Calculator: Estimates the staff hours and payroll a self-storage office spends calling and texting waitlist prospects by hand each time a unit opens, and what automating those alerts would save.