Third Party Financing Addendum: What Every Texas Agent Should Know

The Third Party Financing Addendum is a TREC-promulgated form — TREC 40-11, most recently revised 11-04-2024 — attached to a contract whenever a buyer is financing the purchase through a lender rather than paying cash or arranging seller financing directly. Texas REALTORS® publishes an identical reprint of the same current version as TXR 1901.

It's used across farm & ranch, residential sales, and vacant land contracts — in other words, it pairs with contracts like the One to Four Family Residential Contract, the Farm and Ranch Contract, or the Unimproved Property Contract whenever a third-party lender is part of the deal. It is not a standalone agreement; it's an addendum that modifies and adds terms to whichever base contract it's attached to.

At a high level, the form sets out the type and terms of financing the buyer is seeking, establishes a financing approval period, and spells out what happens if the buyer can't get approved. Because financing contingencies directly affect earnest money and termination rights, this is one of the addenda agents attach most often — and one where precision matters.

Any time a buyer's offer depends on securing a loan, the Third Party Financing Addendum should be part of the contract package. It gives the buyer a defined window to apply for and obtain loan approval and gives both parties clarity on what counts as approval versus what allows the buyer to terminate and recover earnest money.

Getting the details right — the type of financing, the approval deadline, and how it interacts with the rest of the contract — is squarely a matter for the parties' contract terms and, when questions arise, a real estate attorney or the buyer's lender. RaiderX agents are encouraged to lean on their broker and, where needed, licensed legal or lending professionals rather than guess on financing language.

A financing contingency rarely stands alone in a transaction file. Depending on how the deal is structured, agents commonly pair the Third Party Financing Addendum with other TREC and TXR forms: the Seller Financing Addendum (TREC 26-8 / TXR 1914) when part of the purchase price is being carried by the seller instead of a lender; the Loan Assumption Addendum (TREC 41-3 / TXR 1919) when a buyer is assuming an existing loan rather than originating a new one; and the Addendum Concerning Right to Terminate Due to Lender's Appraisal (TREC 49-1 / TXR 1948) when the buyer wants termination rights tied specifically to a low appraisal.

For commercial transactions, note that the Third Party Financing Addendum is not the right form — commercial deals use the Commercial Contract Financing Addendum (TXR 1931) instead, since TREC 40-11/TXR 1901 is limited to farm & ranch, residential sales, and vacant land deal types.

Knowing which addendum belongs with which contract — and keeping the whole packet organized — is exactly the kind of paperwork friction that slows agents down during a transaction.

This guide describes what the Third Party Financing Addendum is and when it's typically used — it isn't legal or lending advice, and specific questions about deadlines, loan terms, or how a financing contingency interacts with a particular contract should go to your broker, a real estate attorney, or the buyer's lender. Every current version of the form itself is available through TREC and Texas REALTORS®.

RaiderX sponsors licensed Texas agents on a flat monthly fee instead of a commission split — agents keep 100% of what they earn — and part of what that fee supports is modern paperwork tooling built for exactly these situations. EZDocs, currently in beta, lets agents fill the Third Party Financing Addendum and the rest of the current TREC forms — plus a growing library of TXR forms — from a guided in-app form, then send it out for e-signature with no per-signature fee.

Once signed, the completed addendum files itself automatically into the deal record, alongside the base contract and any related addenda like the Seller Financing Addendum or Loan Assumption Addendum. That means less time hunting for the right version of a form and more time on the parts of the transaction that actually need an agent's judgment.

Agents sponsored under RaiderX's Individual or Team plans also get E&O insurance included as part of sponsorship, transaction and compliance management, and dedicated broker support — the kind of backstop that matters when financing contingencies and deadlines are on the line.