Serving Mahopac & Putnam County for over 45 years
Shannon Storage is family-run and locally owned. Clean, secure storage units for your home, your move, or your business — with real people at the other end of the phone.
Unit sizes
Three simple size classes cover almost every storage need. Not sure which fits? Call us and describe what you're storing — we'll size it with you in minutes.
Small
Like a walk-in closet. Perfect for boxes, seasonal gear, records, and college storage between semesters.
Medium
Fits the contents of a one-to-two bedroom home. The go-to size for moves, renovations, and life transitions.
Large
Room for a full household, vehicles' worth of belongings, or business inventory and equipment.
Why Shannon Storage
Big-brand facilities treat you like a unit number. After 45+ years in Mahopac, we still treat you like a neighbor — because you are one.
Over 45 years storing what matters for Mahopac families and businesses. We've earned our reputation one unit at a time.
Locally owned and operated at 121 Stillwater Rd. When you call, you talk to someone who knows the facility — and the area.
Fenced, gated, and well-lit grounds with controlled access, so your belongings stay exactly as you left them.
Straightforward month-to-month storage without gotcha pricing games. What we quote is what you pay.
Easy access for cars, trucks, and movers. Load and unload right at your unit instead of hauling through hallways.
Manage your account and pay your bill 24/7 through our secure tenant portal — no office trip required.
Security & peace of mind
Storage only works if you never have to worry about it. Our facility is built and maintained around that idea.
Size advisor
Slide to roughly how many rooms' worth of belongings you're storing, and we'll suggest a starting point. We'll fine-tune it together before you commit to anything.
How it works
Request a unit online or call 845-628-8992. Share your move-in timing and roughly what you need to store.
A local team member confirms the best size and availability — no overselling, no pressure, no hidden fees.
Bring your things to 121 Stillwater Rd, lock up with your own key, and manage your account online anytime.
Customer stories
"We needed storage fast between closings. One phone call and we had a unit the same week. They made a stressful move feel easy."
"I've kept my business inventory here for years. Clean, secure, and the team actually picks up the phone. That's rare these days."
"They helped me figure out the right size instead of renting me the biggest unit they could. Honest people, fair prices."
Stored with us? We'd love to hear about it — leave a review on Google.
Service area
Shannon Storage sits at 121 Stillwater Rd in Mahopac — an easy drive for households and businesses across Putnam County and northern Westchester.
Get in touch
Unit sizes, availability, and honest advice — the fastest way to get answers.
845-628-8992121 Stillwater Rd, Mahopac, NY 10541
| Monday – Friday | 8:00 AM – 5:00 PM |
| Saturday | 8:00 AM – 4:00 PM |
| Sunday | Closed |
Send your questions anytime and we'll get back to you during office hours.
info@shannonstorage.nyCommon questions
As a rule of thumb: 1 room of belongings fits a small unit (5×5–5×10), 2–3 rooms fit a medium unit (10×10–10×15), and a full household needs a large unit (10×20 or bigger). Use the size advisor above, or call 845-628-8992 and describe what you're storing — we'll size it with you.
Often within days, depending on availability. Request a unit online or call us with your move-in date and we'll confirm what's open.
Yes. Current tenants can log in to our secure online portal anytime to view their account and make payments.
Yes. Moving storage is one of our most common uses — bridging closing dates, renovations, downsizing, and long-distance relocations. See our moving storage page for details.
Absolutely. Local contractors, retailers, and offices use Shannon Storage for inventory, records, tools, and equipment. Learn more on our business storage page.
At 121 Stillwater Rd, Mahopac, NY 10541 — minutes from downtown Mahopac and convenient to Carmel, Somers, Yorktown Heights, and the surrounding area.
Ready when you are
Request a unit online in under a minute, or call and talk it through with a local team member.
Current tenant? Log in to pay your bill.