North Idaho On Site Sheds

16x20 Large Custom Shed & Shop Builds in North Idaho

Need a 16x20 shed in North Idaho? We custom-build on-site for snow, storage, work, or hobby use with flexible layouts and fair pricing. Get estimate today.

16x20 overview

Width
16
Length
20
Sq ft
320

Single-bay garage or tractor storage with workbench space; Workshop plus dedicated storage zone for tools and parts; Farm, hunting, or game-processing support space; Contractor material staging and lockable jobsite storage

What Fits in a 16x20 Shed?

A 16x20 shed gives you 320 square feet, but the biggest difference is not just total floor area. It is width. Sixteen feet across changes how a machine bay, a bench wall, and storage can coexist. That extra two feet over a 14-foot-wide layout often feels much bigger than it sounds on paper.

In practical terms, a 16x20 can hold a compact tractor, utility vehicle, or garage-style bay near the front, a full bench wall on one side, and still leave enough working clearance that you are not constantly stepping around the machine. It can also support a full workshop with lumber or materials on one wall, a rolling tool chest, and storage shelves without the center aisle feeling pinched. That matters when carts, lumber, or seasonal gear need to move past a parked machine instead of waiting for the floor to clear.

A few concrete layouts that fit well in a 16x20 include:

  • A single-bay machine storage zone with a 6- to 8-foot bench and deep side shelving.
  • A workshop with material racks, clamp storage, rolling tools, and open floor for assembly work.
  • A rural support building with front equipment access and rear storage for supplies, tools, or processing gear.
  • A contractor support shell with loading access near the door and organized lockable storage behind it.

Compared with a 14x20, you gain width that makes a real difference for aisle comfort, side clearance, and day-to-day tool movement. Compared with a 16x24, you keep the wider format but save footprint and cost. Compared with a 12x20, you gain a much more forgiving working shell. Compared with a future 20x20-type layout, you stay more compact while still getting most of the garage-and-bench advantage.

This is also one of the first sizes where engineered roof trusses become part of the structural conversation in a more obvious way. Once you start spanning 16 feet in North Idaho snow country, design decisions need to reflect real snow load, not just the desire to keep the roof simple. That wider roof is part of what makes the interior feel so much better than a narrower shell, but it only works well when the structure is planned honestly for the region. For many owners, this is the size where a shed finally stops feeling like borrowed garage overflow and starts feeling like a real detached work building with comfortable side clearance. That extra breathing room is often what makes the shop usable every week instead of only in theory.

How Much Does a 16x20 Shed Cost in North Idaho?

Most 16x20 sheds land in the $11,500 to $18,400 range before utilities, site prep, and specialty upgrades. The range reflects the fact that this footprint is usually bought for serious uses: machine storage, shop work, contractor staging, or rural support work. Those uses tend to push the project toward stronger foundations, larger doors, and a more capable structural package.

A basic storage-and-bench shell will sit lower in the range. A slab-based garage-support or workshop build with upgraded doors, electrical prep, better siding, or more windows will move higher. Foundation and snow-load engineering can also influence the price more here than on smaller sizes because both the width and the total use expectations are higher.

That is why it helps to treat the pricing guide as a budget direction, not a final quote. The number depends on whether the building is meant to act like a machine bay, a repair space, or a long-term mixed-use outbuilding. When you are ready for the actual project number, request a free estimate and include site photos plus the largest equipment that needs to move through the door.

16x20 Shed Features & Specifications

The best 16x20 sheds are planned around one idea: keep the extra width working for you. If the wider shell gets chopped up badly by doors or poorly placed windows, a lot of the advantage disappears.

Good planning at this size usually includes:

  • Door sizing that matches tractor, side-by-side, or machine access needs.
  • Preserving a full wall for bench, shelving, or cabinet runs.
  • Choosing slab or engineered gravel based on real wheel loads and daily use.
  • Using windows where daylight helps without sacrificing the best work surfaces.
  • Framing the roof with engineered trusses or a system sized honestly for North Idaho snow.

Loft storage can be added in some layouts, but many owners at this size do better keeping the ceiling volume open and using the main floor well. If the building is meant to act more like a garage or shop than a tote-storage shell, open working space is often more valuable than overhead clutter. If workshop planning is the main question, the guide on workshop layout planning with a bench-first approach is the right place to start.

Best Uses for a 16x20 Shed

A 16x20 is a strong fit for garages, workshops, and larger commercial storage or support buildings where width matters as much as length.

This size is especially good for owners who need one machine bay plus a real work area, not just machine storage plus whatever wall space is left over. It can support tractor or side-by-side parking, bench work, parts shelving, and a cleaner flow of materials and tools. On North Idaho properties around Athol and Sandpoint, that can make it a more comfortable daily-use choice than a narrower shell of the same length.

It is also a good fit for people comparing several use cases across our services, because the footprint is wide enough to feel like a serious shop without jumping all the way into the largest barn-like layouts.

Built for North Idaho Weather

At 320 square feet, this is fully a permit-reviewed project in North Idaho. County review, setbacks, foundation planning, and roof structure should all be addressed early. The building is too large and too capable to leave those questions for later.

Foundation choice is important because the width and intended use often mean heavier loads, larger doors, and more wheel traffic. Slab foundations and engineered gravel bases are both common depending on the use, but the choice should be made honestly around equipment and floor expectations. Permanent footings still need to extend below the local 24-inch frost depth minimum.

At 16 feet wide, engineered roof trusses are strongly recommended in North Idaho snow country. Wider spans, loft loads, heavier roofing, and drifting snow all raise the design stakes. One of the big benefits of on-site construction is that the building can be structured and staged for the actual site conditions instead of trying to compromise around prefab delivery rules.

Popular 16x20 Shed Styles

A classic gable remains the safest all-around style for a 16x20 because it works naturally for garage and shop layouts, handles snow cleanly, and keeps the interior geometry straightforward.

Barn-style can add more visual volume. Farmhouse and rustic details work well when the building belongs on acreage or among other working outbuildings. Craftsman trim can make sense when the structure sits closer to the main home and a more finished appearance matters.

At this width, the best-looking building is usually the one that also keeps the doors, roof structure, and work walls functioning correctly. Style matters, but workflow still comes first.

16x20 Shed FAQ

How much does a 16x20 shed cost in North Idaho?

Most 16x20 sheds land in the $11,500 - $18,400 range before utilities, site prep, and specialty upgrades. Final cost moves with siding, windows, roof pitch, foundation choice, and how finished you want the interior. See our pricing guide or request a free estimate.

What is a 16x20 shed best used for?

This size is best for single-bay garage or tractor storage with workbench space, workshop plus dedicated storage zone for tools and parts, and farm, hunting, or game-processing support space. It is a strong fit for Garages, Workshops, and other custom on-site layouts that need real working room.

Do I need a permit for a 16x20 shed in North Idaho?

Most likely. Once you hit 320 sq ft, North Idaho counties commonly require county paperwork, placement review, or a building permit depending on the parcel and use. Confirm the exact path early so your pad, setbacks, and roof design all line up. Review permit requirements and check Bonner County or Kootenai County.

How long does it take to build a 16x20 shed on-site?

Most 16x20 sheds take roughly 2 to 4 on-site build days once the site is ready and materials are staged. Larger doors, lofts, slab work, electrical rough-in, and tight access can add time, but on-site construction avoids the delivery limits that come with prefab buildings. Ask for a build timeline.

Can a 16x20 shed fit a workbench and storage in the same layout?

Yes, and that is one reason this size is so useful. With the right door layout, you can dedicate one zone to a bench or equipment and keep the rest for totes, tools, or seasonal gear. See workshop builds and garage options.

What fits inside

  • Single-bay garage or tractor storage with workbench space
  • Workshop plus dedicated storage zone for tools and parts
  • Farm
  • hunting
  • or game-processing support space
  • Contractor material staging and lockable jobsite storage

Specifications

Dimension
16x20
Square footage
320 sq ft
Estimated range
$11,500 - $18,400
Permits
At 200 sq ft and above, expect county review in most North Idaho jurisdictions. Kootenai County requires a building permit for residential storage buildings over 200 sq ft, and Bonner County routes 200-400-sq-ft projects through county paperwork and zoning review before larger-structure permitting. Check /permits/kootenai-county, /permits/bonner-county, and your local setback rules early.
Foundation
An engineered gravel pad or concrete slab is recommended at this size, especially for workshops, garages, and vehicle or tractor loads. Piers can work when designed for the span and soil conditions, but larger doors and equipment usually favor slab-based builds. Any permanent footing should extend below the local 24" frost depth minimum.
Snow load
At 16 feet wide and above, engineered roof trusses are strongly recommended for North Idaho snow country. Wider spans, loft storage, and heavier roofing all increase design loads, so snow planning should be part of the build from day one.
Estimated range$11,500 - $18,400

Built for North Idaho weather

  • Engineered for snow load

    Roofs framed for North Idaho's 70+ psf ground snow load.

  • Wind-rated

    Anchored and braced for the gusts that funnel down our valleys.

  • Sealed for freeze-thaw

    Detailed drip edges, sealed penetrations, and breathable wraps.

  • 12-year warranty

    Bumper-to-bumper coverage on materials and workmanship.

Permit guidance

At 200 sq ft and above, expect county review in most North Idaho jurisdictions. Kootenai County requires a building permit for residential storage buildings over 200 sq ft, and Bonner County routes 200-400-sq-ft projects through county paperwork and zoning review before larger-structure permitting. Check /permits/kootenai-county, /permits/bonner-county, and your local setback rules early.

Foundation

An engineered gravel pad or concrete slab is recommended at this size, especially for workshops, garages, and vehicle or tractor loads. Piers can work when designed for the span and soil conditions, but larger doors and equipment usually favor slab-based builds. Any permanent footing should extend below the local 24" frost depth minimum.

Frequently asked questions

  • How much does a 16x20 shed cost in North Idaho?

    Most 16x20 sheds land in the $11,500 - $18,400 range before utilities, site prep, and specialty upgrades. Final cost moves with siding, windows, roof pitch, foundation choice, and how finished you want the interior. See our pricing guide or request a free estimate.

  • What is a 16x20 shed best used for?

    This size is best for single-bay garage or tractor storage with workbench space, workshop plus dedicated storage zone for tools and parts, and farm, hunting, or game-processing support space. It is a strong fit for Garages, Workshops, and other custom on-site layouts that need real working room.

  • Do I need a permit for a 16x20 shed in North Idaho?

    Most likely. Once you hit 320 sq ft, North Idaho counties commonly require county paperwork, placement review, or a building permit depending on the parcel and use. Confirm the exact path early so your pad, setbacks, and roof design all line up. Review permit requirements and check Bonner County or Kootenai County.

  • How long does it take to build a 16x20 shed on-site?

    Most 16x20 sheds take roughly 2 to 4 on-site build days once the site is ready and materials are staged. Larger doors, lofts, slab work, electrical rough-in, and tight access can add time, but on-site construction avoids the delivery limits that come with prefab buildings. Ask for a build timeline.

  • Can a 16x20 shed fit a workbench and storage in the same layout?

    Yes, and that is one reason this size is so useful. With the right door layout, you can dedicate one zone to a bench or equipment and keep the rest for totes, tools, or seasonal gear. See workshop builds and garage options.

Ready to get started?