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Financing a Prefab Home in USA

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Admin

5/28/20262 min read

a house under construction with the roof ripped off
a house under construction with the roof ripped off

Building Your Future: A Guide to US Financing for Prefab & Modular Homes

If you are buying a home that is already built and sitting on land, you get a standard mortgage. But if you are ordering a prefab home from a factory? That is construction lending. Don't worry, it’s not as scary as it sounds. Here is how US buyers pay for a factory-built home.

Option 1: The Construction-to-Permanent Loan (The One-Time Close)

This is the gold standard. You walk into the bank once, sign one set of papers, and get one loan that covers both the construction phase and the permanent mortgage.

  • During Construction: You pay interest only on the money drawn.

  • After Completion: It automatically converts to a standard 15 or 30-year fixed-rate mortgage.

Best for: Modular homes (IRC code). Lenders love this because the risk is lower.

Option 2: The Two-Time Close (Construction Loan + Takeout Mortgage)

This is older and more painful. You get a short-term construction loan to pay the factory. Once the house is finished, you must apply for a second mortgage (the 'permanent' loan) to pay off the first loan.

  • Risk: If interest rates rise or your credit changes, you might not qualify for the second loan.

  • Cost: Two sets of closing costs.

Option 3: Chattel Loans (Manufactured Homes Only)

If you are buying a manufactured home (HUD code) and leasing the land (e.g., in a mobile home park), you cannot get a real estate mortgage. You need a chattel loan (personal property loan).

  • Rates: These are 2-5% higher than mortgage rates.

  • Terms: Shorter (usually 15-20 years).

  • Downside: The home depreciates like a car, rather than appreciating like real estate.

The 'What If I Own the Land?' Advantage

If you already own the land free and clear, you can use it as equity. You effectively already have your down payment. This opens up land-in-lieu-of-down programs at local credit unions.

Required Documents for US Lenders

Your lender will ask the builder for:

  • Floor Plans & Specs: Proving it meets IRC/IBC code.

  • Engineered Foundation Plan: Must be signed by a Professional Engineer (PE).

  • The Purchase Agreement: A fixed-price contract with the dealer/factory.

  • The WCR (Warranty & Certificates of Installation): Proof it will be installed correctly.

PrefabIQ for US Buyers

PrefabIQ's Financial Services module allows you to upload all these lender-required documents into a single, organized digital folder. You can then securely share access with your loan officer via the Stakeholder Hub, ensuring they have real-time visibility into your project’s specs and timeline.