Reviewed September 10, 2026

Concept

Concept listing. This page demonstrates how Field House presents a home. The home, manufacturer, prices and details are illustrative placeholders, not a real product.

Example Maker BGuangdong Province — illustrative

Mesa Expandable

Arrives the size of a container. Unfolds to two bedrooms.

A folding steel home that ships compact and opens into roughly 640 sq ft. The kind of listing that costs less than a used car and raises more questions than a used car.

“Wow, I want that. Wait — can I actually buy and build this? Right now, the paperwork doesn't say.”

— Bill Eisner, Field House
Intended use
Cabin / getaway, Guest house, Rental
Construction
Expandable
Floor area
640 sq ft
Dimensions
Folded: 20 ft × 8 ft · Expanded: 20 ft × 21 ftManufacturer claim
Bedrooms
2 bed
Bathrooms
1
Production time
4–6 weeksManufacturer claim
Ships as
Folded into a standard 20 ft container footprintManufacturer claim
How to read this page
  • DocumentedField House has seen supporting documentation.
  • Manufacturer claimStated by the manufacturer. Not yet confirmed by Field House.
  • UnresolvedAsked and not yet answered, or answered without support.

$26,000 – $34,000

FOB port of origin, base finish package. Manufacturer claim

This is not an installed price. Budget separately for everything in the right-hand column.

What the price includes

  • Folding steel structure with wall and roof panelsManufacturer claim
  • Windows, doors and basic interior finishesManufacturer claim
  • Bathroom fixturesManufacturer claim

What it does not include

  • Freight, duties and deliveryDocumented
  • Foundation, leveling and anchoringDocumented
  • Kitchen appliancesManufacturer claim
  • Utility connections and permitsDocumented

Factory prices are estimates provided by or derived from the manufacturer. They are not installed prices and do not include shipping, duties, foundation, utilities, installation, engineering, permits or local work unless stated.

Structure
Galvanized steel folding frame
Manufacturer claim
Envelope & cladding
Insulated metal panels with gasketed folding joints
Manufacturer claim
Insulation
EPS core panels — R-value not stated
Unresolved
Electrical
Voltage and listings not specified
Unresolved
Plumbing
Not specified
Unresolved
Unconfirmed

No approval documentation has been supplied. Treat any compliance claims as unverified.

Many jurisdictions have no clear path for this building type as a dwelling. Treat it as unapproved until a building department says otherwise.

Documents

0 of 4 reviewed
  • otherMarketing brochureReceived · review pending
  • drawingFloor planRequested · not yet supplied
  • test reportStructural or wind-load dataRequested · not yet supplied
  • approvalU.S. approvalNot available

Approval status is model-specific and destination-specific. Only your local building department can determine whether a home may be installed on your site.

Production

4–6 weeks

Manufacturer claim

Shipping configuration

Folded into a standard 20 ft container footprint

Manufacturer claim

Installation overview

Set on a level foundation, then the side sections are unfolded by hand or with a small crane and sealed. The manufacturer states two to four people can complete the unfold in a day.

What still has to happen locally

  1. 01Level foundation or pier system
  2. 02Anchoring for local wind and seismic loads
  3. 03Weather-sealing the folding joints
  4. 04All utility connections
  5. 05Local approvals — if a path exists

Arranged and paid for by you, with local professionals. Field House does not provide installation or permitting.

06 · Unanswered questions

What we’d want answered before sending a deposit.

  1. Q1

    How are the folding joints sealed, and how is that tested?

  2. Q2

    What is the insulation value of the expanded walls and floor?

  3. Q3

    Is there any structural data for wind or snow loads?

  4. Q4

    What electrical standard is it built to?

  5. Q5

    Who fixes a leak at the fold two years after delivery?

We’ve asked. When there’s a documented answer, this page gets updated — and the date above changes.

Example Maker B

Guangdong Province — illustrative · Steel modular, Expandable

Illustrative profile
Export experience
Not documented Unresolved
U.S. projects
Claims U.S. deliveries; addresses and approvals not yet supplied. Unresolved
Sales contact
Sales via messaging app; English support varies. Manufacturer claim
Manufacturer profile

Field House has no compensation relationship with this manufacturer.

Tell us a little about your plans. We read every inquiry, check that it’s a fit, and introduce you to the person responsible for the answers. Field House never takes deposits or payments for homes. Contracts and payments are always between you and the manufacturer or provider.

Inquiry aboutMesa ExpandableExample Maker B
  • Manufacturer listing (illustrative) · August 10, 2026

Last reviewed September 10, 2026. Information changes; always confirm details in writing with the manufacturer before signing anything. Spotted something out of date? Tell us.

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