Offer, Counteroffer, and Acceptance for the Texas Exam

Offer and acceptance is how a contract is born, and it is the practical heart of the Contracts and Agency area. This spoke builds on the contract law fundamentals spoke, which covers what makes a contract valid, and it is part of the Contracts and Agency area.

The exam tests this with quick logic scenarios: who can still accept, whether a counteroffer killed the original offer, and when a binding contract exists. Learn the mirror-image rule and how offers terminate, and these get easy.

What makes a valid offer?

A valid offer is a proposal to enter a contract that shows a clear intent to be bound, states definite terms, and is communicated to the offeree. The person making the offer is the offeror, and the person receiving it is the offeree. Until the offer is accepted and that acceptance is communicated, no contract exists, and the offeror can generally revoke the offer.

Contract formation starts with an offer. An offer is a proposal to make a deal on specific terms, and it must show that the person genuinely intends to be bound if the other side agrees. Learn the two roles: the offeror makes the offer, and the offeree receives it.

A valid offer has three features. It shows intent to contract, not just idle talk. It states definite terms, like price and property. And it is communicated to the offeree, since you cannot accept an offer you never received. Until acceptance, no contract exists, so the offeror can usually take the offer back.

Acceptance and the mirror-image rule

Acceptance is the offeree's unqualified agreement to the exact terms of the offer. Under the mirror-image rule, the acceptance must match the offer precisely. If the offeree changes any term, even a small one, it is not an acceptance but a counteroffer. Acceptance must also be communicated back to the offeror to form a binding contract, and for real estate it must be in writing.

Acceptance is where the deal comes together, but only if it is unqualified. The offeree must agree to the exact terms offered, with no changes. This is the mirror-image rule: the acceptance must mirror the offer.

The rule is strict. If the offeree agrees to everything except one term, say they accept but raise the price by a thousand dollars, that is not an acceptance. It is a counteroffer, which changes everything. Acceptance also has to be communicated back to the offeror, because a silent or private acceptance does not form a contract. And for real estate, the accepted agreement must be in writing to be enforceable, tied to the statute of frauds.

The counteroffer

A counteroffer is a response that changes the terms of the offer. It does two things at once: it rejects the original offer, and it makes a new offer. Because the original offer is rejected, it is off the table and can no longer be accepted. The roles also reverse, so the original offeree becomes the new offeror. This is the most tested formation concept on the exam.

The counteroffer is the trap the exam loves, so understand exactly what it does. A counteroffer is any response that alters the terms rather than accepting them as offered. It has two effects at the same time.

First, it rejects the original offer. That offer is now dead, and the original offeree can no longer go back and accept it, even if they change their mind. Second, it becomes a brand-new offer on the changed terms. The roles flip: the party who made the counteroffer is now the offeror, and the other party is now the offeree who may accept, reject, or counter again. Remember that a counteroffer kills the original offer, so there is no going back to it.

How an offer terminates

An offer can end several ways before acceptance. The offeree can reject it, or make a counteroffer, which is also a rejection. The offeror can generally revoke it before acceptance, but the revocation must be communicated and an enforceable option can keep an offer open. The offer can lapse when its stated time expires or after a reasonable time. And it ordinarily ends if either party dies or becomes incapacitated, or if the property is destroyed. Once any of these happens, there is no offer left to accept unless the offer is renewed.

An offer does not stay open forever, and the exam tests the ways it ends.

Revocation and the option-contract exception

The key timing point is that an ordinary revocation must be communicated before acceptance is effective. Once the offeree has accepted and communicated acceptance, a contract exists and the offeror can no longer revoke. Before that moment, the offeror is generally free to withdraw the offer, subject to an enforceable option or another applicable exception.

One exception is worth carrying, because the exam builds questions on it. An offer backed by an option contract is not a bare offer any more. The option holder has paid for the promise to keep it open, so the offeror cannot revoke it during the option period, and it does not die with the offeror the way an ordinary offer does. Every row in the table above assumes an offer nobody has paid to hold open. See contract law fundamentals for how options are classified, and note that the Texas termination option works differently again.

When does a contract actually form?

For a Texas TREC-form transaction, final acceptance requires four things: the final contract is in writing, both parties sign it, acceptance is unequivocal, and the last party's acceptance is communicated to the other party or that party's agent. The effective date is the date the communication element is completed after the other three are satisfied.

Timing is everything, and the exam rewards knowing the exact moment a contract exists. A binding contract forms when the offeree accepts and that acceptance is communicated back to the offeror. Not when the offeree decides to accept privately, and not when they sign in secret, but when the acceptance is actually delivered to the offeror or their agent.

This matters for revocation. Before acceptance is communicated, an ordinary offer can generally still be revoked by communicating the withdrawal. After final acceptance, the offer has ripened into a contract and cannot simply be withdrawn. Texas's Statute of Frauds generally makes an agreement for the sale of real estate unenforceable unless the agreement or a sufficient memorandum is in writing and signed by the person against whom enforcement is sought; do not reduce that rule to "an oral agreement never existed." Once binding, the buyer gains an equitable interest in the property.

Do not confuse acceptance with Paragraph 21 notices

Communication of final acceptance is a contract-formation requirement. Paragraph 21 of the One to Four Family Residential Contract (Resale), TREC No. 20-19, governs notices under the contract after it exists; it is not the source of the pre-contract acceptance rule. Paragraph 21 says:

All notices from one party or their agent to the other must be in writing. Notices are effective when mailed to, hand-delivered at, sent by overnight courier to, or transmitted by electronic transmission to the other party or their agent.

For a notice governed by Paragraph 21, three things are testable. The notice must be in writing, it is effective when sent by an authorized method, and it may go to the party or that party's agent at the listed contact information. Do not automatically use those notice mechanics to decide whether pre-contract acceptance was communicated.

Keep the sources in separate boxes: common-law acceptance and TREC's final-acceptance guidance address formation; Business and Commerce Code Section 26.01 addresses enforceability under the Statute of Frauds; Paragraph 21 addresses notices once the parties are under contract.

Offer and acceptance in a Texas deal

In Texas, offers and acceptances commonly run through TREC promulgated forms. The contract's effective date is the date final acceptance is communicated after the final writing is signed and unequivocally accepted, and the broker fills in that date. Periods counted from it start the next day under TREC's published guidance and run in calendar days unless the contract says otherwise. A seller has no legal duty to respond to an offer, but the listing agent must promptly convey material information affecting the principal's offer decision. Counteroffers and changes should be documented in writing.

Texas handles offer and acceptance through the promulgated contract system. Buyers and sellers negotiate using TREC forms, and changes are documented in writing rather than by casual conversation. See the one-to-four family residential contract guide for the form itself.

The effective date, and what it starts

The form's execution block tells the broker to fill in the date of final acceptance. TREC's published teaching materials identify four elements: a final writing, both parties' signatures, unequivocal acceptance, and communication of the last party's acceptance to the other party or agent. The effective date is the date that communication element occurs after the other three are complete. It is not necessarily the date written beside the last signature.

That date is the starting gun for nearly every deadline in the contract, which is why counting from it correctly matters more than it looks. TREC's published answer is that starting with the effective, or final execution, date, the first day of the period starts the next day, and each day is a calendar day. Not a business day. So a three-day period on a contract effective Monday runs through Thursday, weekends included. Worth knowing where that rule lives: it is TREC guidance, and neither the contract nor the TREC rules put the counting convention in writing.

One qualification the exam likes. Paragraph 5A(2) of TREC No. 20-19 extends the deadline for the earnest money, the option fee, and any additional earnest money if the last day falls on a Saturday, Sunday, or legal holiday, pushing it to the end of the next day that is not one of those. That extension is written into Paragraph 5. It is not a general rule about every deadline in the contract.

Who has to do what with an offer

Two duties get mixed up here, and they belong to different people.

The seller has no legal duty to respond to an offer in any particular way. The seller may accept, reject, counter, or say nothing at all. Silence is not acceptance.

When the listing agent must present offers

The listing agent does have a duty, and it is a rule, not just guidance. TREC Rule 22 TAC Section 535.156 states that a license holder's relationship with the principal is that of a fiduciary. It then requires the license holder to convey to the principal all known information that would affect the principal's decision on whether to make, accept, or reject offers. TREC adds in its published answers that nothing prohibits presenting more than one offer at a time, and that a seller may negotiate several offers at once.

So an agent who sits on a first offer waiting for a better one has a problem, even though the seller who ignores it does not.

The rule carries its own off switch, and it is worth knowing because it looks like an exception to a fiduciary duty. Section 535.156 goes on to say that if the principal has agreed in writing that offers are not to be submitted after the principal has entered into a contract, the license holder has no duty to submit offers once the principal has accepted one. Two conditions, both required: the agreement must be in writing, and the principal must already be under contract. Absent either, the duty to convey continues.

The two-calendar-day response rule

A separate rule sets the communication clock. Section 535.157 requires a broker or sales agent to respond to their own principal, to a broker or sales agent representing another party, or to an unrepresented party, within two calendar days. A timely response is not the same thing as a seller accepting, rejecting, or countering an offer; the seller still controls that substantive decision.

Written title advice after an offer is signed

One more duty fires the moment an offer is signed, and it is statutory rather than contractual. TRELA Section 1101.555 provides that when an offer to purchase real estate in this state is signed, a license holder shall advise each buyer, in writing, that the buyer should either have the abstract examined by an attorney of the buyer's choosing or be provided with or obtain a title insurance policy. The same advice appears on the contract at Paragraph 6E(1), which is how most license holders satisfy it without thinking about it.

How to study offer and acceptance for the exam

Study this topic as a timeline. An offer must show intent, definite terms, and communication. Acceptance must mirror the offer exactly and be communicated back to form a contract. A counteroffer rejects the original and starts fresh, so the original cannot be revived. An offer also ends by rejection, revocation before acceptance, lapse, death, or destruction of the property.

Walk any scenario down the timeline. Was there a valid offer? Was the response an exact acceptance or a change? If it changed anything, it was a counteroffer that killed the original. Was the acceptance communicated? Only then is there a contract.

Keep this spoke tied to its neighbors. The contract law fundamentals spoke covers the elements and statuses, the earnest money and option period spoke covers what happens after acceptance, and the Contracts and Agency hub ties the area together.

Frequently asked questions

What is the mirror-image rule? The mirror-image rule requires an acceptance to match the offer exactly. If the offeree agrees to every term without change, it is a valid acceptance. If they change any term, even a small one, the response is a counteroffer rather than an acceptance. This is why a real estate acceptance must adopt the offer's terms precisely to form a contract.

Can an offeree accept an offer after making a counteroffer? No. A counteroffer rejects the original offer, which takes it off the table permanently. Once rejected through a counteroffer, the original offer can no longer be accepted, even if the offeree changes their mind. The counteroffer becomes a new offer, and the parties negotiate from there.

When does a real estate contract actually form? For a Texas TREC-form transaction, final acceptance requires a final writing, both parties' signatures, unequivocal acceptance, and communication of the last party's acceptance to the other party or agent. The effective date is when the communication element occurs after the other three. The Statute of Frauds separately governs enforceability of a real-estate sale agreement.

Does a seller have to respond to an offer in Texas? No. A seller has no legal duty to respond to an offer in any particular way. The seller may accept it, reject it, make a counteroffer, or simply not respond, and silence is not acceptance. The listing agent is in a different position: TREC Rule 22 TAC Section 535.156 requires a license holder to convey to the principal all known information that would affect the principal's decision on whether to make, accept, or reject offers. The seller may ignore an offer. The agent may not withhold it.

Can an agent hold a first offer to wait for a second one? No. Section 535.156 requires the license holder to convey information affecting the principal's decision on offers. TREC's published answers add that nothing prohibits presenting more than one offer at a time, and that a seller may receive, review, and negotiate several offers at once. No rule requires the seller to dispose of the first offer before seeing the second.

Is there ever a point where an agent stops having to submit offers? Yes, on two conditions that must both be met. Section 535.156 provides that where the principal has agreed in writing that offers are not to be submitted after the principal has entered into a contract, the license holder has no duty to submit offers once the principal has accepted one. Without the written agreement, or before a contract exists, the duty to convey continues.

How quickly must a license holder respond? Within two calendar days, under TREC Rule 22 TAC Section 535.157. The duty runs to the license holder's own principal, to a broker or sales agent representing another party, and to an unrepresented party. The rule requires a response; it does not require the seller to make a substantive offer decision.

When does a period of days start counting in a TREC contract? Starting with the effective, or final execution, date, the first day of the period starts the next day, and each day is a calendar day rather than a business day. Paragraph 5A(2) of TREC No. 20-19 adds one carve-out: if the last day to deliver the earnest money, the option fee, or additional earnest money falls on a Saturday, Sunday, or legal holiday, that deadline moves to the end of the next day that is not one of those.

What must a license holder tell a buyer once an offer is signed? TRELA Section 1101.555 requires a license holder, when an offer to purchase real estate in this state is signed, to advise each buyer in writing that the buyer should either have the abstract covering the real estate examined by an attorney of the buyer's choice or be provided with or obtain a title insurance policy. Paragraph 6E(1) of the contract carries the same advice.

Practice questions

1. A buyer offers $300,000. The seller responds by agreeing to everything but raising the price to $310,000. This response is: A. A valid acceptance B. A counteroffer that rejects the original offer C. A binding contract at $300,000 D. An unenforceable offer

Answer: B. Changing any term makes the response a counteroffer, which rejects the original offer under the mirror-image rule. It is not an acceptance (A), no contract formed at the original price (C), and the counteroffer is a valid new offer, not unenforceable (D).

2. After a seller makes a counteroffer, the buyer decides they would rather accept the seller's original terms instead. Can they? A. Yes, the original offer is still open B. No, the counteroffer rejected and ended the original offer C. Yes, if within three days D. Only if the seller agrees in writing

Answer: B. A counteroffer rejects the original offer, so it is off the table and cannot be accepted later. The original is not still open (A). Option C invents a cooling-off period, and TREC answers that one directly. There is no automatic three-day or 72-hour cooling-off period in a Texas real estate contract, unlike some consumer contracts. Any right to terminate has to come from the contract itself, such as a paid option period. And while the seller could re-offer those terms, the buyer cannot simply accept the dead original (D).

3. When does a binding real estate contract form? A. When the offeree privately decides to accept B. When the offeror makes the offer C. When the acceptance is communicated back to the offeror D. When earnest money is deposited

Answer: C. A contract forms when a valid acceptance is communicated to the offeror. A private decision is not enough (A), the offer alone is not a contract (B), and earnest money is customary but not the moment of formation (D).

4. Before the offeree communicates acceptance, the offeror changes their mind and withdraws the offer. This is: A. Not allowed once an offer is made B. A valid revocation, because it occurred before acceptance C. A counteroffer D. A breach of contract

Answer: B. An offeror may generally revoke an ordinary offer by communicating the withdrawal before acceptance is effective. Withdrawing is not a counteroffer (C), and no contract existed yet, so there is no breach (D). An enforceable option or another exception could change the result, but the question supplies none.

Sources and methodology

This guide was reverified against current Texas statutes, TREC rules, TREC No. 20-19, and TREC guidance on August 12, 2026. It teaches exam-level concepts, not legal advice, and separates formation, enforceability, and post-formation notice rules.

• The requirements of a valid offer, the mirror-image rule for acceptance, and the counteroffer's dual effect of rejecting and replacing an offer come from general contract law as applied to real estate.
• The ways an offer terminates, including rejection, counteroffer, revocation before acceptance, lapse of time, death or incapacity, and destruction of the property, come from general contract law.
• The rule that acceptance must be communicated comes from contract law and TREC's published final-acceptance guidance. Paragraph 21 of TREC No. 20-19 governs notices under an existing contract; it does not create the pre-contract formation rule.
• The execution block of TREC No. 20-19 directs the broker to enter the date of final acceptance; TREC's published guidance explains that final acceptance is completed when the last party's acceptance is communicated after the final writing is signed and unequivocally accepted. The counting convention, first day starting the next day and each day a calendar day, is TREC's published answer. The weekend and legal-holiday extension for the earnest money and option fee is Paragraph 5A(2) of the same form.
• The duty to convey all known information affecting the principal's decision on offers is TREC Rule 22 TAC Section 535.156, as is the written-agreement carve-out once the principal is under contract. The two-calendar-day response deadline is 22 TAC Section 535.157. That nothing prohibits presenting several offers at once comes from TREC's published answers.
• The absence of an automatic three-day or 72-hour cooling-off period is TREC's published answer, not a statute. Any right to terminate comes from the contract itself.
• The day-counting convention, first day starting the next day and each day a calendar day, is only in TREC's published answers. Neither TREC No. 20-19 nor the TREC rules state it, and the exception at Paragraph 5A(2) is written for the earnest money and option fee alone. Treat the general convention as guidance rather than as a rule with a citation.
• The requirement to advise a buyer in writing about an abstract or a title policy once an offer is signed is TRELA, Texas Occupations Code Section 1101.555, mirrored at Paragraph 6E(1) of the contract.
• The writing requirement for the accepted contract is Texas Business and Commerce Code Section 26.01(a) and Section 26.01(b)(4).

Verify all contract-formation rules against the current Texas sources and qualified counsel before you rely on them in practice.

Official source links

• Texas Real Estate Commission, Contracts and Forms
• Texas Occupations Code Chapter 1101 (TRELA)
• Texas Business and Commerce Code, Chapter 26 (Statute of Frauds)
• 22 TAC Chapter 537, TREC Standard Contract Forms

This article is exam-prep education for the Texas real estate sales agent license. It is not legal advice, and it does not create an agency relationship. Contract formation is technical and depends on the specific facts and current law. Always confirm the current Texas statutes and TREC forms and work under the supervision of your sponsoring broker before acting.