We have covered what a sub2 deal is and what happens if the due on sale clause ever gets called. Now let’s get into the part that actually protects you and the seller: how to structure the deal correctly from day one. A sub2 deal is only as good as the paperwork behind it, so this is the part worth slowing down for.

Start With the Right Documents, Not a Handshake

A sub2 deal can feel informal since there is no new bank loan involved, but do not let that fool you. This still needs to be treated like a real estate closing, with real legal documents, ideally with a title company, closing attorney, or real estate attorney involved. Here is what a properly structured deal typically includes.

The deed. This is what actually transfers ownership from the seller to you. Most sub2 investors use a warranty deed or a special warranty deed, though this can vary by state, so check with a local real estate attorney about what is standard and safest where you are buying. The deed gets recorded with the county, which is the official, public step that makes you the legal owner.

A purchase and sale agreement. This spells out the terms of the deal itself: purchase price, what is being taken subject to, any cash paid to the seller, closing date, and contingencies. This should clearly state that the property is being sold subject to the existing mortgage, and that the loan is not being paid off or assumed.

A subject to addendum or disclosure. This is the document that specifically addresses the due on sale risk. It should disclose to the seller, in plain language, that the loan is not being paid off, that the due on sale clause exists, and what the risk of that means for them. This protects you legally by proving the seller understood exactly what they were agreeing to, and it protects the seller by making sure they are not blindsided later.

A limited power of attorney. Many investors have the seller sign this so you can handle loan related matters directly with the servicer, like requesting payoff information or discussing the account, without needing the seller to get involved every single time.

An authorization to release information form. This is often required by the loan servicer directly, and it lets you communicate with them about the loan even though it is not in your name.

A performance or servicing agreement. This lays out exactly who is responsible for what: who makes the payment each month, how it gets made, what happens if a payment is ever late, and what recourse each side has if something goes wrong.

Set Up How Payments Actually Get Made

This is one of the most overlooked parts of structuring these deals well, and it matters a lot for trust between you and the seller.

The cleanest way to handle this is through a third party loan servicing company. These companies specialize in exactly this kind of deal. You send them the payment, they pay the mortgage servicer directly, and both you and the seller get documented proof every single month that the payment was made on time. This removes the seller’s biggest fear, which is you missing a payment and quietly wrecking their credit without them knowing until it is too late.

If you are not using a third party servicer, at minimum set up an automatic payment directly to the mortgage servicer from your own account, and send the seller proof of payment every month, like a screenshot or confirmation email. Making them chase you for confirmation is how trust breaks down fast.

Protect the Title and the Insurance

Two things need attention here that people commonly get wrong.

Insurance. You cannot just leave the seller’s existing homeowner’s policy in place and call it done, since a claim could get denied over an ownership mismatch. The cleanest approach is usually putting a policy in your name with the mortgage company listed as the mortgagee, or in some cases using a landlord or dual interest policy depending on your situation. This is worth a phone call to an insurance agent who has handled sub2 or land trust deals before, since getting this wrong can be a costly mistake if something ever happens to the property.

Title insurance. Get a title search done and buy an owner’s title policy just like you would on any other purchase. This confirms the seller actually owned the property free of other issues and protects you if a title problem surfaces later.

Consider Using a Land Trust

A lot of experienced sub2 investors put the property into a land trust as part of the closing, with you as the beneficiary of the trust. This is a structure worth discussing with your real estate attorney, since it is not required, but it is common for a couple of practical reasons.

It can add a layer of privacy, since the trustee’s name appears on public record rather than yours directly. It also can make the transfer look less like a traditional sale in the public record, which is one reason some investors believe it can reduce the odds of a lender’s transfer detection system flagging the deal, though it is not a guaranteed shield against the due on sale clause and should never be treated as one.

Build in a Plan for What Happens if the Loan Ever Gets Called

We covered this in detail in our last post, but structurally, this needs to be addressed in writing upfront, not figured out later under pressure. Your servicing agreement should spell out what happens if the due on sale clause is ever enforced: who is responsible for refinancing, what the timeline looks like, and what happens if a resolution cannot be reached. Having this conversation and getting it in writing before you close is what separates investors who handle this smoothly from the ones who end up in a dispute with the seller down the road.

Get the Right Professionals Involved

This bears repeating because it is the single biggest mistake people make trying to save money: do not DIY a sub2 deal off a template you found online with no professional review. At minimum, involve a real estate attorney who has actually handled subject to deals before, not just any general practice attorney, since this is a specialized area. A title company or closing attorney should handle the actual closing and recording. And if you can, talk to an insurance agent who understands these deals specifically.

The cost of getting proper legal guidance is small compared to the cost of a deal that falls apart because a document was missing or a seller felt misled.

The Bottom Line

A correctly structured sub2 deal comes down to a few core things: real legal documents that clearly disclose the risk, a documented and reliable way to make payments, properly aligned insurance and title work, and a clear, written plan for what happens if the due on sale clause is ever called. Skip any of these and you are not really doing a sub2 deal, you are just taking a big, undocumented gamble. Do them right, and sub2 can be one of the most useful tools in your investing toolbox.

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sub2 deal structure, subject to real estate, subject to mortgage paperwork, due on sale clause, land trust real estate, creative real estate financing, real estate closing documents, third party loan servicing, subject to purchase agreement, South Carolina real estate investing