Before a hot tub arrives, settle four things: a delivery path wide and tall enough for the tub on its side, a level base of concrete, contained gravel or a deck framed for the filled weight, a dedicated GFCI-protected circuit run by a licensed electrician under an electrical permit, and clear space for the cover and steps.
Choose the spot, then walk the delivery path
Start with where you'll actually use the tub in January. A short, well-lit walk from the back door beats the prettiest corner of the yard. Keep it out from under roof edges that dump snow and ice, clear of overhead lines, and on ground that sheds water away from the tub. Hot Spring's 2017 pre-delivery instructions add two details people miss: face the equipment compartment where water drains away from it, and keep the breaker or disconnect easy to reach.
Then walk the route from the truck to that spot with a tape measure. Tubs travel on edge on a cart, so the tub's height becomes its width on the path. Bullfrog's 2024 pre-delivery guide asks for a reasonably flat path, and a path and final spot that can take its largest tub on edge: up to 3 feet 6 inches wide and 9 feet tall (12 feet for two models on their short side), resting no more than 4 feet off the ground. Hot Spring says to use the cart's width or the tub's, whichever is greater, warns that the tub won't bend around a 90-degree turn, and limits a stair run to six steps without a landing. Measure every gate, gap, turn and step, and anything overhead: eaves, branches, a gas meter or an AC unit.
On a Duluth hillside, the path is often the deciding factor. Hot Spring's guide says a crane is the only way in when an opening is too narrow, the eaves too low, a corner too tight or a stairway too steep; Bullfrog asks you to tell the delivery team ahead of time so a crane or another method can be arranged, usually at extra cost. Steep lots with long stairs fit that description; find out before delivery day.
Gravel pad, concrete or deck
The base has one job: stay flat and solid under a filled tub through every freeze-thaw cycle. Bullfrog recommends a level poured concrete slab at least 4 inches thick, lists pavers, contained pea gravel and decking as other common surfaces, and says not to use shims to level the tub. Hot Spring accepts pea gravel or crushed rock for a tub with no gazebo or other accessories, but it requires a reinforced 4-inch pad for some models and warns that soft surfaces settle unevenly even with stepping stones. Your tub's manual decides which of these it allows.
A compacted gravel pad inside a solid edge usually costs less and drains well; a slab costs more and gives a cover lifter, steps and a future gazebo a firm footing. HomeAdvisor puts a concrete pad at $2–$6 per sq ft, a national typical range and not our price.
A deck is a different question. A filled tub with people in it puts far more weight on a small footprint than a deck is normally built for, so the framing has to be designed or checked for that load. Hot Spring tells owners to consult a qualified building contractor or structural engineer before setting a tub on an elevated deck, and to keep the tub's weight per square foot under the structure's rated capacity. Get the filled weight from the spec sheet first. If the tub is part of a new deck, our deck building page covers framing a deck around one.
Power: the circuit, GFCI and disconnect
Full-size tubs are hard-wired to a dedicated 240-volt circuit. Bullfrog's guide shows a 50-amp supply line (60 amps for its largest models), a GFCI somewhere in the line, and a disconnect or breaker at least 5 feet from the spa. That circuit is a licensed electrician's job under an electrical permit: the electrician sizes the wire and breaker to the spec sheet and places the disconnect to code. We set up the tub and schedule around their work. Smaller plug-in tubs still need the dedicated, GFCI-protected circuit and outlet their maker specifies, and Hot Spring is blunt about extension cords: never.
In Duluth, electrical permits come through the Minnesota Department of Labor and Industry, according to the City of Duluth, and Superior requires an electrical permit for new wiring. Hot tubs aren't on Superior's no-permit list, so call building inspection at (715) 395-7288, and in Duluth ask Construction Services whether the tub itself needs a building permit; our permit guide has both cities side by side. National cost guides put hot tub wiring at about $600–$2,200, according to HomeAdvisor. That's a national typical range, not a price from us or your electrician.
| Item | What to confirm | Who handles it |
|---|---|---|
| Spot | Level, draining away, clear of roof drip and overhead lines, a short walk from the door | You, with our input |
| Delivery path | Width and height for the tub on its side and its cart, every gate, turn, step and overhang | You measure; the dealer confirms |
| Base | Slab, contained gravel or pavers the manual allows; a deck checked for the filled weight | Us |
| Permits | Electrical permit; ask the building office about the tub and any deck | The electrician for the wiring; we check the rest with the city before quoting |
| Circuit | Dedicated and GFCI-protected, sized to the spec sheet; disconnect placed to code (the makers show a 5 ft minimum) | A licensed electrician |
| Cover and steps | Clearance for the cover or lifter; firm, level ground for the steps | Us |
| Setup day | Hose to the tub, circuit finished, then placement, fill and startup | Us |
Cover, steps and setup day
Plan space for the parts you'll handle every day. Bullfrog's guide plans up to 18 inches of clearance for the cover, up to 40 inches for the steps and up to 5 inches for one cover lifter bar. Up here the cover also has to lock down against wind and carry snow between uses, so skip a spot where snow slides off the roof onto it. Steps belong on firm, level ground or the pad itself, since steps that rock on frozen ground are how people slip.
On setup day the tub goes on the base, gets leveled and connected, then filled, purged of air and started. Nationally, setup labor alone runs about $200–$800, according to Fixr, not counting the tub, base or wiring; that's a national typical range, not our price. Our hot tub setup service quotes it flat, in writing.
How wide does a gate need to be for hot tub delivery?
Wider than the tub is thick, plus room for the cart, because tubs travel on edge. Bullfrog asks for a path that can take up to 3 feet 6 inches of width for its largest tub, and Hot Spring says to use the cart's width or the tub's, whichever is greater. Get your model's exact dimensions from the dealer, then measure every gate, gap and turn along the way.
Can a hot tub sit on a gravel pad?
Often, yes, if your tub's maker allows it and the gravel is compacted, level and contained. Bullfrog lists contained pea gravel among common surfaces, and Hot Spring accepts pea gravel or crushed rock for tubs without accessories. Both prefer concrete for the long run, Hot Spring requires a reinforced slab for some models, and soft bases can settle unevenly, so check your manual first.
How far from the hot tub does the disconnect go?
At least 5 feet from the tub, by the makers' guides, with the exact placement set by code. Bullfrog's pre-delivery guide shows a 5-foot minimum between the spa and its GFCI disconnect or breaker, and Hot Spring keeps its subpanel at least 5 feet from the water's edge. Your electrician sizes and places it under the electrical permit; Hot Spring also asks that you leave yourself easy access to it.
Should the electrician finish before the hot tub arrives?
Yes. Bullfrog lists finished, code-compliant electrical work among its delivery criteria, and Hot Spring says the electrical service must be in place so the tub can run soon after delivery, with the receptacle for its plug-in models installed before the truck arrives. A filled tub shouldn't sit without power in freezing weather, so in the Northland, schedule the electrician and the inspection first, then the delivery and setup.
Tub on order? Call or text (715) 919-7956 with the tub's make and model, photos of the spot and the path to it, or send your setup request. You'll get a flat written quote before any work starts.