CO Record-Keeping & Trust Accounts
In the mechanics of a real estate transaction, money and information behave according to strict conservation laws. When a buyer hands over a $10,000 earnest money check, that value cannot be created, destroyed, or blurred into the general operating machinery of a brokerage. It is not your money; it is suspended energy waiting for a contractual trigger. The Colorado Real Estate Commission (CREC) enforces this conservation through a rigorous architecture of record-keeping and trust accounting. As a licensed broker, your fundamental duty is to maintain the absolute integrity of these funds and the documents that govern them. If you cannot prove precisely where the money is, who owns it, and why you hold it, the entire apparatus of public trust collapses.
Whenever you take possession of funds belonging to others, you step into the role of a fiduciary. In Colorado, a real estate broker must hold all money belonging to others in a recognized depository trust or escrow account. You cannot simply place a client's deposit into a standard business checking account or a personal vault.

To ensure the physical safety of the public's money, a recognized depository for a Colorado trust account must be insured by the Federal Deposit Insurance Corporation (FDIC) or the National Credit Union Administration (NCUA). Furthermore, the account cannot be a secret between you and the bank teller. A real estate trust account must be explicitly identified as a "Trust" or "Escrow" account within the financial institution's records. This nomenclature acts as a legal shield, protecting the public's funds from the brokerage’s creditors in the event of bankruptcy or a lawsuit.

The Separation of Powers Not all trust funds mix. Property management security deposits must be kept in a separate trust account from real estate sales escrow funds. The financial rhythms of a long-term lease are fundamentally different from a 30-day residential closing; mixing them creates an accounting hazard.
While a brokerage might employ dozens of agents, accountability flows to a single point. An employing broker holds ultimate responsibility for maintaining all trust accounts for the real estate brokerage firm. To maintain this centralized control, associate brokers must immediately turn over all received trust funds to their employing broker.
Earnest money is the gravitational force that holds a transaction together while the buyer performs their due diligence. Because of its importance, Colorado dictates exactly how fast this money must move.
When an earnest money check arrives at your desk, the clock begins ticking. A broker must deposit earnest money into a trust account no later than the third business day following notice of contract acceptance. Notice the precise trigger: it is not three days from when the buyer writes the check, but three business days after the contract is actually accepted. Real estate, however, is a realm of mutual consent. A buyer and a seller can agree in writing to an earnest money deposit deadline that differs from the standard three business days.
Increasingly, brokerages choose not to hold earnest money at all, outsourcing this liability to the entity closing the transaction. If a purchase contract designates a title company to hold the earnest money, the broker must deliver the funds directly to the title company. When you execute this handoff, you cannot rely on a verbal confirmation or a handshake. A broker must obtain a written receipt from the title company when delivering an earnest money deposit to that title company. This receipt is your proof that the financial energy has successfully transferred out of your custody.
Alternative Forms of Earnest Money
Cash and checks are not the only ways a buyer can demonstrate good faith. A homebuyer may use a promissory note as an earnest money deposit. This is essentially a legal IOU, promising to pay the funds at a later, specified date (often right before closing, or when the buyer’s previous home sells).

Because a promissory note introduces collection risk—a piece of paper is harder to cash than a certified check—the seller must be fully informed. A promissory note used as earnest money must be explicitly disclosed in the Colorado Contract to Buy and Sell Real Estate. When drafted, a promissory note used for earnest money is typically made payable to the listing brokerage firm or the designated title company, giving them the authority to collect the funds when they become due.
The primary reason trust accounts exist is to prevent the broker's money from touching the client's money. When the membrane between these two categories ruptures, the broker is guilty of one of two severe infractions.
Commingling is the illegal practice of mixing trust funds with the personal or business operating funds of a real estate broker. Think of commingling as pouring your coffee into the client's water jug. The water is ruined. Conversion, on the other hand, is the illegal act of using trust funds for a purpose other than the authorized use intended by the funds' owner. If commingling is pouring coffee into the water jug, conversion is drinking the client's water yourself. Conversion is outright theft.
The most common trap brokers fall into regarding commingling does not involve stealing; it involves laziness. When a transaction closes, the broker's commission is often paid out of the trust account. These earned commissions must be promptly withdrawn from a real estate trust account. The moment the commission is earned, that money belongs to the broker, not the public. Leaving earned commissions in a trust account for an extended period constitutes illegal commingling because the broker is now using the trust account to store their own personal wealth alongside client funds.
The Singular Exception: The Broker's Ledger
There is exactly one scenario where a broker’s personal funds are permitted inside a trust account. Banks charge fees—monthly maintenance, wire transfer fees, check printing costs. If a bank pulls a $15 fee from an account holding only client earnest money, the bank has effectively stolen the client's money to pay a brokerage expense.
To prevent this, a broker may legally deposit a limited amount of personal funds into a trust account strictly to pay routine bank charges. Additionally, a broker may deposit personal funds into a trust account solely to prevent the account from reaching a negative balance.
However, you cannot just drop $500 into the trust account and forget about it. Personal funds deposited into a trust account to cover bank fees must be tracked on a separate document called a Broker's Ledger. This ensures that every penny of the broker's money is perfectly accounted for and mathematically isolated from the clients' funds.
How do we prove that no money has been commingled or converted? We use a dual-lens accounting system.
- The Macro Lens: A trust account journal provides a single chronological record of all deposits and withdrawals for the entire bank account. It tells you exactly how much total water is in the reservoir.
- The Micro Lens: A trust account ledger provides a separate accounting of funds received and disbursed for each individual transaction or beneficiary. It tells you exactly who owns which specific bucket of water within the reservoir.

The fundamental law of trust accounting is a simple equation: The reconciled trust account bank cash balance must exactly equal the sum total of all individual ledger balances at any given time.
Because errors happen—banks double-charge, checks bounce, humans transpose numbers—Colorado real estate brokers must complete a three-way reconciliation of all trust accounts on a monthly basis. This three-way check aligns (1) the bank statement balance, (2) the chronological journal balance, and (3) the sum of all individual ledgers. If these three numbers do not match to the exact cent, the system stops until the mathematical anomaly is found and corrected.

Transactions end, but the paper trail must endure. A Colorado real estate broker must retain all transaction records for a period of four years. This four-year clock applies to everything: listing agreements, buyer agency contracts, earnest money receipts, closing statements, and property disclosures.
Why four years? Because real estate transaction records must be available for inspection by the Colorado Real Estate Commission upon request. The Commission is the auditor of public trust. If a consumer files a complaint three years after closing, the Commission needs to look back in time and view the transaction exactly as it occurred.
We no longer live in an era of mandatory filing cabinets. Electronic real estate transaction records are legally permitted in Colorado. However, you cannot simply dump unorganized PDFs into a corrupted hard drive. Electronic transaction records must be legible and readily retrievable upon request by the Colorado Real Estate Commission.
Just as with trust funds, the flow of documentation follows a strict chain of command. Associate brokers must promptly submit all executed transaction documents to their employing broker. The associate broker cannot keep the only copy of a signed contract on their personal laptop. Ultimately, an employing broker is responsible for the retention and accuracy of all transaction records for the entire brokerage firm. If an associate broker fails to turn in a document, or loses an earnest money receipt, it is the employing broker who faces the regulatory consequences.
Mastering Colorado’s record-keeping and trust account rules is not merely an exercise in bureaucratic compliance. It is the framework that allows millions of dollars to change hands safely every single day. Understand the flow of the funds, respect the strict timelines, keep your own money out of the public's pool, and meticulously document every step.