Dome ADU on Airbnb: Which ADU Type Earns the Most?

Choosing the right dome ADU or auxiliary dwelling unit type for your Airbnb property is one of the most important decisions a short-term rental investor can make.

The structure you build determines not just your setup costs, but your nightly rate, occupancy, and annual revenue — sometimes by tens of thousands of dollars.

This head-to-head comparison breaks down the real numbers behind geodesic domes, A-frames, treehouses, yurts, and RVs so you can make a data-driven decision before you break ground.

Watch the full video above or keep reading for the complete breakdown.

Why ADUs Are Booming on Airbnb

Auxiliary dwelling units — or ADUs — have become one of the most talked-about strategies in short-term rental investing. The concept is straightforward: buy a property with significant land, then add one or more unique structures that generate independent cash flow. A glamping retreat, a woodland escape, a dome village — the variations are endless.

What's driving this trend in 2026 is a combination of factors. Travelers increasingly want experiential stays over standard hotel rooms. Airbnb's own data consistently shows that unique property types outperform traditional listings in both occupancy and average daily rate.

And for investors, the relatively low build cost of certain ADU types — especially dome structures — means faster payback periods compared to buying conventional rental properties.

BNB Mastery has been tracking this space closely, including hands-on involvement in a 100-acre glamping development north of Toronto. The findings from analyzing comparable ADUs in the Asheville, North Carolina market offer a clear picture of what actually works — and what doesn't.

If you're just starting to think about STR investing, grabbing a free copy of "Airbnb Unlocked" is a practical first step before committing capital.

Asheville was chosen as the comparison market because it's home to one of the densest concentrations of unique ADU listings in North America. The data below comes from real listings analyzed using AirDNA's market intelligence tools, keeping geographic proximity tight to ensure a genuine apples-to-apples comparison.

Dome ADU Performance: The Geodesic Breakdown

A geodesic dome ADU is arguably the sweet spot in the ADU universe — low cost to build, high visual appeal, and strong Airbnb performance. The dome analyzed in Asheville (specifically in the Alexander, NC area just north of the city) illustrates exactly why this structure type has become so popular with STR investors.

Revenue Numbers

This particular dome brought in $33,000 in revenue — but it was only available for 225 of the 365 days in the year. Normalize that to a full year of availability, and the annualized estimate lands around $40,000–$50,000. That's a compelling number, especially when you consider the setup cost.

What It Costs to Build

The structural shell of a geodesic dome — the actual dome kit with all the components — typically runs between $8,000 and $25,000 depending on size. Add a platform or foundation, interior finishings, furniture, and amenities (the Asheville dome featured an outdoor shower, which guests loved), and the all-in cost lands around $30,000–$40,000.

Compare that to building an A-frame cabin, which can run several times more. If you already own the land, a dome is one of the most cost-efficient ways to generate immediate cash flow.

Pro tip: Domes that accommodate 4–6 guests instead of just 2 can significantly increase revenue. Larger dome kits are available and represent a compelling upgrade if your land and budget allow it.

For a deeper look at the setup process, costs, and what to expect from listing a dome, the post on adding a geodesic dome ADU to Airbnb covers the full breakdown. You can also see a real example of a dome setup in action in this tour inside a pro's Airbnb with a geodesic dome.

The Trade-Off: Cash Flow vs. Equity

One important consideration: a geodesic dome is a temporary structure. Unlike a permanent A-frame cabin, it doesn't add the same kind of appraised equity to a property. If you ever sell, you may be selling on cash flow potential rather than assessed building value. For some investors, that's fine.

For others who want to build hard equity, it's a real limitation worth understanding upfront.

A-Frame Cabins: High Revenue, Higher Cost

The A-frame analyzed in Asheville was a relatively modest cabin set in a wooded landscape — not a sprawling lodge, but a well-designed, cozy space with a loft and a beautiful back deck. And the numbers it posted were nothing short of impressive.

Revenue Numbers

This A-frame was available for 356 of 365 days and achieved a 96% occupancy rate. Annual revenue: $95,000. That's essentially a fully-booked property running year-round at strong nightly rates.

The performance advantage of the A-frame comes from a few factors. First, it's a permanent structure with a proven aesthetic that guests trust and love — the A-frame design is iconic and photogenic. Second, A-frames typically accommodate more guests than domes, which directly lifts average revenue per booking.

This listing maxed out at more guests than the comparable dome units in the analysis.

Build Costs

Building a quality A-frame cabin is substantially more expensive than erecting a dome. Depending on size, location, and finishes, a well-built A-frame can run anywhere from $150,000 to $400,000 or more. That said, the structure adds genuine equity to the property — you're building a permanent asset that can be appraised and sold as a standalone property.

Example: If a modestly-priced A-frame property with land was acquired for $300,000 and generates $95,000 in annual gross revenue, that's a gross revenue ratio that very few conventional rental properties can match.

The key decision: if your goal is equity building and long-term appreciation, an A-frame is the stronger choice. If your goal is cash-on-cash return with minimal upfront capital, the geodesic dome wins on a percentage basis.

Treehouses: Unique Experiences That Convert

Treehouses occupy a special category in the Airbnb ecosystem. They're not the cheapest to build safely, but they deliver something almost no other structure can — a sense of childhood wonder that makes guests feel like they're on a genuine adventure.

Revenue Numbers

The Asheville treehouse in this comparison brought in $38,000–$40,000 while being available for only 233 days of the year. Annualized, the performance is competitive with the geodesic dome.

The listing had an admittedly rustic interior — homemade in many respects — and still performed strongly. That speaks to the power of the treehouse experience itself. Guests aren't booking a treehouse for luxury finishes; they're booking it for the elevation, the canopy, the novelty.

Build Costs and Considerations

Estimated build costs for a treehouse similar to this one: roughly $20,000–$40,000, depending heavily on whether you're hiring professionals or using available materials on the land. One important note: height and structural safety are non-negotiable. A treehouse that hasn't been properly engineered is a liability risk, full stop. Budget for a qualified builder and appropriate inspections.

If you're building a treehouse as an ADU on a larger property, it pairs extremely well with other structure types — a treehouse and a dome on the same parcel gives guests two distinct experiences and allows you to market the property to different demographics.

Yurts: Solid but Not Spectacular

Yurts are the dark horse of the ADU world. They're genuinely unique — most people have never slept in a yurt — and they can be set up with attractive interiors that rival geodesic domes in terms of warmth and comfort. But the performance numbers tell a more nuanced story.

Revenue Numbers

The yurt analyzed in Asheville was available all 365 days of the year and generated $38,000 in annual revenue. On the surface, that sounds comparable to the treehouse and dome. But here's the catch: it was available all year and still matched the other two units that were only available about 60% of the year.

That implies a lower effective occupancy rate or a lower average daily rate — or both. The yurt simply doesn't command the same premium nightly rate as a treehouse or geodesic dome, even when the setup cost is similar (roughly $20,000–$35,000 for a quality yurt installation).

That said, a yurt still significantly outperforms an RV, which is the more important comparison for most investors evaluating cheap ADU options. And a larger yurt designed for 4+ guests could meaningfully improve the numbers.

RVs: Why Convenience Doesn't Equal Cash Flow

Almost every new investor considering ADUs asks about parking an RV on their land. It's the path of least resistance — no construction, no permits (in many jurisdictions), and relatively low upfront cost. The Asheville data delivers a clear verdict.

Revenue Numbers

The RV listing — a nice, well-maintained unit — was available for longer than either the treehouse or dome, achieved roughly 1% occupancy (meaning it was actually booked), and generated only $19,000 in annual revenue. That's less than half what the dome earned despite comparable availability.

The problem isn't the amenities. The RV interior was actually nicer than some of the other listings. The problem is perception. An RV signals