Quick Answer: The Suncast Tremont 8x10 Resin Shed is the best permanent storage option for a zero-turn mower — its steel-reinforced resin panels, reinforced floor, and 5-ft-wide double doors are built to house a riding mower long-term, though at roughly $1,700 it’s a real structure, not a quick fix. Owners who want mower storage fast without a permanent build should get the ShelterLogic AutoShelter, a steel-frame fabric instant garage that runs about $390-$600 and assembles in a weekend. Whichever you pick, size the door to your mower’s actual width (most zero-turns need at least 60 inches of clearance to pass through comfortably, since the wheel-to-wheel stance can exceed the deck width) rather than just the floor to its footprint.
A cover protects a mower parked in the open, but a real storage structure solves problems a cover can’t — UV exposure over months, rodents nesting in the engine bay, and a mower sitting in plain sight for anyone driving by. Here’s how the shed and shelter options compare, and what to check before you park a $3,000-plus machine inside one.
Last updated: August 30, 2026 — re-checked current pricing on all three picks. Suncast Tremont 8x10 confirmed at $1,699.95 sale (from $1,899.99 list), within the previously published range; ShelterLogic AutoShelter confirmed at $419.99, within range; Best Choice Products 10x8ft confirmed at $169.99-$187, within range. No price drift found on any pick.
Zero-turn mower storage sheds compared
| Shed / shelter | Best for | Structure type | Interior size | Price |
|---|---|---|---|---|
| Suncast Tremont 8x10 (BMS8100) | Best overall / permanent | Reinforced resin, floor included | ~7'9" x 9'9" x 8'4" | ~$1,650-$1,750 |
| ShelterLogic AutoShelter 10x15x8 | Best value / fastest setup | Steel-frame, fabric cover | 10' x 15' x 8' | ~$390-$600 |
| Best Choice Products 10x8ft | Best budget | Steel-frame, fabric cover, roll-up doors | 10' x 8' | ~$170-$286 |
1. Suncast Tremont 8x10 Resin Shed — Best Overall / Permanent
Suncast Tremont 8x10 Resin Storage Shed (BMS8100)
- Steel-reinforced, multi-wall resin panels and a reinforced resin floor are rated to support heavy equipment, per Suncast's own spec sheet — a meaningful step up from a fabric shelter's floorless, tarp-over-gravel setup.
- Interior space measures roughly 7'9" wide x 9'9" deep x 8'4" tall, with a 5-ft-wide, 6-ft-tall double-door entrance wide enough to drive a zero-turn straight in without folding in mirrors or trim.
- Resin construction won't rust like a metal shed can, and six built-in skylights mean you're not fumbling for a light switch to check the oil or hook up a battery charger in winter.
Assembly on a shed this size runs a full weekend for two people and needs a level pad underneath — worth renting or borrowing a laser level rather than eyeballing it, since an off-level floor stresses the resin panel seams over time. Between mowing seasons, a free 30-day Amazon Prime trial gets replacement blades, filters, and oil to the shed door in two days if something needs fixing before the machine goes back in.
This is the buy if the mower is staying at this property for years and you want a structure that adds real resale value to the yard, not just a temporary fix.
2. ShelterLogic AutoShelter 10x15x8 — Best Value / Fastest Setup
ShelterLogic AutoShelter 10' x 15' x 8' Instant Garage
- A 1-3/8-inch diameter, powder-coated steel frame supports a 5.5 oz/sq. yd. triple-layer woven polyethylene cover that's heat-sealed rather than stitched, per ShelterLogic's own materials spec — stitched seams are the most common leak point on cheaper canopy shelters.
- At 10 ft wide by 15 ft deep, there's enough room for the mower plus a mower cart or dethatcher parked alongside it, without the multi-day build of a resin or metal shed.
- No poured floor or foundation needed — stakes and ground anchors hold it down over gravel, a paver pad, or packed dirt, which is why it typically goes up in a weekend versus the longer timeline a permanent shed needs.
The fabric cover is rated for years of UV and weather exposure but isn’t rodent- or rust-proof the way a resin or metal shed is — pair it with the rodent-proofing step below rather than skipping it because the structure feels more “temporary.”
3. Best Choice Products 10x8ft Outdoor Storage Shed — Best Budget
Best Choice Products 10x8ft Outdoor Storage Shed
- Dual roll-up zipper doors at both the front and rear improve airflow and give a second access point, useful for pulling a mower straight through rather than backing it out the way it came in.
- Mesh-covered side windows resist weather while cutting down on the trapped humidity that speeds up rust and mildew inside a fully sealed structure.
- At under $300, it's the cheapest real option on this list — the tradeoff is a lighter fabric cover and stake-and-bungee anchoring rather than the steel frame's rigidity under heavy wind or snow load.
Right for a renter, a second property, or anyone who just needs the mower out of the weather for a season before deciding whether a permanent shed is worth the investment.
What to check before buying
- Door width matters more than floor size — a zero-turn’s wheel-to-wheel stance can run wider than its deck, so measure your specific mower’s overall width and add a few inches of margin rather than assuming a “fits riding mowers” label means yours specifically.
- Rodent-proofing is a real, separate step from a shed’s walls — mice actively seek out a mower’s air intake and any open cavity around the seat as nesting spots over winter, and chewed wiring is a common reason a mower won’t start in spring; see our why won’t my zero-turn move guide if you’re troubleshooting that exact symptom. A battery-powered ultrasonic rodent repellent (commonly $20-$35 for a shed- or garage-rated unit) is a reasonable supplement to sealing gaps, not a replacement for it.
- A shed door lock stops opportunists, not a determined thief — a metal shed’s padlockable sliding doors are the first layer; a dedicated wheel lock like the MoJack Anti-Theft Wheel Lock (rel=“nofollow sponsored”, roughly $90-$110, fits 18”-25” tires) immobilizes the mower itself as a second layer, the same building-plus-machine approach commercial equipment yards use.
- Off-season prep still applies inside a shed — a roof over the mower doesn’t replace fuel stabilization, an oil change, or battery care; see our winterizing checklist for the five steps that matter regardless of where the mower sits.
- A cover still helps inside a shed with skylights or a fabric roof — condensation and dust settle on an uncovered mower even indoors; see our best zero-turn mower cover guide if the shed isn’t fully sealed.
- Attachments need their own space — a shed sized only to the mower’s footprint leaves no room for a tow-behind cart, spreader, or dethatcher; add depth to your floor plan if you’re storing more than just the mower.
The bottom line
For most owners keeping a zero-turn at the same property long-term, the Suncast Tremont 8x10 Resin Shed is worth the roughly $1,700 investment — it’s rust-proof, floored, and sized with real door clearance for the mower to drive straight in. If you need the mower under cover this season without a multi-day build, the ShelterLogic AutoShelter gets there for a third of the price, and the Best Choice Products fabric shed covers the budget end for a renter or second property. Whichever structure you buy, don’t skip the rodent-proofing and a wheel lock — a roof alone doesn’t stop either problem. See our full zero-turn mower guide for deck sizes and specs across every major brand if you’re still shopping for the mower itself.