If you own an airstrip, or you’re thinking about building one, a hangar is probably next on the list. But an aircraft hangar isn’t just an oversized shed with a bigger door. It has to account for aircraft dimensions, door clearance, site access, drainage, and often a different permitting process than a standard barn or storage building.

Whether you’re storing a single Cessna on a private grass strip or planning a hangar that can also serve as a maintenance space, getting the early decisions right will save you time, money, and headaches once construction starts. Here are six questions to work through before you call a builder.

1. What Will the Hangar Actually Be Used For?

This sounds obvious, but it’s the question that shapes everything else. A hangar built purely for storage looks very different from one designed for maintenance work, flight instruction, or occasional living quarters.

Think through how you’ll actually use the space over the next 10 to 15 years, not just today:

• Storage only: You need clear span space, a door tall and wide enough for your aircraft, and basic ventilation. This is the simplest and most cost-effective option.
• Maintenance and work space: You’ll want higher ceilings for lift equipment, extra electrical capacity, compressed air lines, and possibly a mezzanine or side office for parts storage and paperwork.
• Multi-use space: Some owners want a hangar that doubles as an event space, workshop, or even includes a small living or office area. This changes insulation, HVAC, and code requirements significantly.

If you’re not sure whether you’ll add a second aircraft or upgrade to a larger plane down the road, it’s worth building in a little extra clearance now. Expanding a hangar later is far more disruptive and expensive than sizing it correctly the first time.

2. Is Your Site Actually Suited for a Hangar?

Before you get attached to floor plans, the site itself needs a hard look. A few things matter more for hangars than for a typical barn or equipment shed:

Proximity and Access to the Runway or Strip

Taxi distance, turning radius, and the angle of approach to your hangar door all affect how easily you can get an aircraft in and out. A hangar positioned at an awkward angle to the strip can make routine taxiing frustrating, especially in tighter spaces or crosswinds.

Grading and Drainage

Aircraft hangars typically have large, flat concrete pads, and water pooling near the hangar door or apron is more than a nuisance. It can lead to ice in winter, foundation issues over time, and interior moisture problems. A proper site evaluation should look at natural drainage patterns, soil composition, and whether grading or a French drain system is needed before the pad goes in.

Soil Bearing Capacity

Hangars carry different load requirements than a standard pole barn, especially if you’re planning a concrete apron rated for aircraft weight. A soil test upfront tells your builder what kind of foundation and slab thickness the site actually needs, rather than guessing and over- or under-building.

Wind Exposure

Open agricultural land across Oklahoma, Kansas, Colorado, and Wyoming often means significant wind loads, particularly for large hangar doors. Door orientation relative to prevailing winds is worth discussing with your builder early, since it affects both the structure’s wind rating and how manageable the door is day to day.

3. What Size and Door Type Do You Need?

Hangar sizing comes down to more than just wingspan. You need to account for:

• Wingspan and tail height of your current aircraft, plus any aircraft you might own in the future
• Turning clearance inside the hangar so you’re not doing a three-point turn every time you taxi in
• Storage for tools, fuel, or a workbench without crowding the aircraft
• Door type — bifold, hydraulic, sliding, or schweiss-style doors all have different clearance, maintenance, and cost profiles

Bifold doors tend to be popular for hangars because they open quickly and hold up well in wind, but they do require more vertical clearance than a sliding door. Sliding doors are often more budget-friendly but need side clearance to fully open. The right choice usually comes down to your site layout, budget, and how often the door will be used.

A good rule of thumb: add at least 10 feet to your aircraft’s wingspan and several feet to tail height for comfortable clearance. If you’re storing more than one aircraft, or think you might in the future, plan the door width around that scenario now rather than retrofitting later.

4. What Permits and Regulations Apply?

This is where hangar construction diverges most from a typical barn or storage building project. Depending on your location and whether your strip is public or private, you may be dealing with:

• Local building permits through your county or municipality, which is standard for most ag and commercial structures
• Airport zoning requirements if your hangar sits on or near a public-use airport, which can dictate setbacks, height restrictions, and door orientation
• FAA obstruction evaluation in cases where the structure’s height could affect approach paths, particularly near any public airport
• Fire code and electrical requirements, especially if you’re storing fuel on-site or including any workshop electrical systems

Private airstrips on your own land generally have fewer regulatory layers than hangars near public airports, but it’s still worth confirming what your county requires before finalizing plans. An experienced builder who has worked on ag and aviation structures across Oklahoma, Kansas, Colorado, and Wyoming can usually tell you early on which permits will apply to your specific site, which avoids surprises once the project is underway.

5. What’s Your Realistic Budget — and What Drives the Cost?

Hangar costs vary more than people expect, and the price swings usually come down to a handful of factors rather than square footage alone:

• Door type and size — larger hydraulic or bifold doors cost meaningfully more than standard sliding doors
• Site work — grading, drainage, and soil conditions can add cost before the building itself even starts
• Concrete slab specifications — a slab rated to handle aircraft weight and repeated taxiing is thicker and more heavily reinforced than a standard storage floor
• Insulation and climate control — if you’re planning to work in the hangar year-round, insulation and HVAC add cost but pay off in usability
• Electrical and lighting — maintenance hangars typically need higher electrical capacity than storage-only buildings

Getting a detailed, itemized quote upfront — rather than a rough per-square-foot estimate — makes it much easier to see where your money is actually going and where there’s room to adjust scope if needed.

Putting It All Together

Planning an aircraft hangar involves more moving parts than most people expect going in — site conditions, door selection, permitting, and budget all interact with each other. Working through these six questions before you request a quote will give you a much clearer picture of what your project actually needs, and it’ll make the conversation with your builder more productive from day one.

If you’re ready to talk through your site and get a real number, request a free quote from Boco Builders and we’ll walk you through what your specific property and aircraft will need.

Frequently Asked Questions

How much clearance does an aircraft hangar door need?

A general starting point is at least 10 feet beyond your aircraft’s wingspan and several feet above tail height, though the right number depends on your specific aircraft and how you plan to taxi in and out.

Do I need a permit to build a hangar on my own private airstrip?

In most cases, yes, at the county or municipal level, even for private strips. If your property is near a public-use airport, additional zoning or FAA review may apply. Confirming requirements with your local building department early on will save time later.

What’s the difference between a bifold and a sliding hangar door?

Bifold doors open upward and outward and tend to hold up well in windy conditions, but they need more vertical clearance. Sliding doors are often more budget-friendly and simpler mechanically, but they require open space to the side of the hangar to fully open.

How long does it take to build an aircraft hangar?

Timelines vary based on size, site conditions, and permitting, but most ag and commercial hangar projects move from initial site evaluation to completed structure within a few months once permits are in hand.

Can a hangar also be used for maintenance work, not just storage?

Yes, but it needs to be planned for from the start. Maintenance hangars typically require higher ceilings, added electrical capacity, and sometimes compressed air lines, which affect both design and cost.

Ready to start planning? Get your free hangar quote today and let’s talk through what your site and aircraft actually need.