Turning a Boxabl into Real Property: Why a Foundation Certification Matters

Boxabl homes are one of the most exciting innovations in modular housing — sleek, compact, and delivered to your site in a foldable box. But no matter how futuristic the design, lenders still ask one simple question:

“Is it real property?”

If you’re using an FHA, VA, or USDA loan to purchase or refinance a Boxabl unit, the answer hinges on one critical detail:
👉 An engineer-certified permanent foundation.

Boxabl: Personal Property vs. Real Property

When a modular home like a Boxabl is first delivered, it’s treated as personal property — much like an RV or trailer. It isn’t considered “real estate” until it meets HUD’s Permanent Foundation Guidelines and is attached to land you own.

That’s where a foundation certification comes in.

A licensed engineer must inspect and certify that the Boxabl is installed on a permanent, code-compliant foundation system — making it eligible to be classified as real property for lending and title purposes.

Why This Matters for FHA & VA Loans

HUD guidelines (which FHA, VA, and USDA loans follow) require that any manufactured or modular home:

• Be installed on a permanent foundation system
• Have engineered anchorage against wind and seismic forces
• Meet minimum clearance and skirting requirements
• Be certified by a professional engineer (PE)

Without a stamped foundation letter, your Boxabl may:

• Be ineligible for mortgage financing
• Fail appraisal requirements
• Be classified as personal property (reducing long-term value)
• Face title and insurance complications

How Foundation Certifications Work (The Oasis Way)

At Oasis Engineering, we specialize in certifying nontraditional, modular, and manufactured housing — including Boxabl units.

Here’s our streamlined process:

✅ On-site inspection of the Boxabl foundation system
✅ Verification of HUD/FHA compliance
✅ Stamped Engineer’s Foundation Certification Letter (within 1–2 business days)
✅ Ready to submit with lender, title company, or underwriter

We evaluate critical components like:

• Reinforced concrete slab or pier foundation system
• Proper anchorage and tie-downs
• Soil stability and drainage
• Skirting, ventilation, and access compliance

Whether your Boxabl sits on a slab, perimeter stem wall, or pier system, we can determine if it meets the HUD Permanent Foundations Guide for Manufactured Housing (PFGMH, 1996) — the gold standard required for loan approval.

Make Your Boxabl Mortgage-Ready

Don’t let confusion about foundations delay your project. If you’re:

• Buying a new Boxabl home
• Financing land and structure together
• Converting personal property into real estate
• Trying to close with an FHA or VA loan…

…you’ll need a certified foundation letter from a licensed professional engineer.

✅ Get a Boxabl Foundation Certification from Oasis Engineering

We proudly serve clients in:
Florida, Texas, Arizona, Georgia, Nevada, South Carolina, and more.

With experience in tiny homes, modular builds, and innovative housing systems, we’re uniquely equipped to support next-gen housing like Boxabl.

👉 Request Your Foundation Certification Now

Oasis Engineering LLC
Fast. Compliant. Affordable.
Helping modular homes become mortgage-ready, one letter at a time.