The question always arrives in reverse order: the person has already seen thirty homes on the apps, already picked a favorite, and only then asks how to get financing. In the American market, the correct order is the opposite — the first step is not looking for a house, it is looking for the lender, the financial professional who will make the loan.

The product of that first conversation is a document: the pre-approval letter. Without it, in California, an offer with financing is simply not taken seriously — and, on many listings, it is not even presented to the seller.

Pre-qualification and pre-approval are not the same thing

The two terms circulate interchangeably, even among professionals, but they describe different levels of checking:

• Pre-qualification — a quick estimate based on what you stated. It is useful for knowing the order of magnitude; it counts for little in a bidding war.
• Pre-approval — the lender verifies documents and pulls your credit before issuing the letter. It is the standard expected with an offer.
• Fully underwritten approval (underwritten or fully approved) — the underwriting is done before a property even exists, leaving only property-related conditions pending. It is the strongest there is and breaks ties in tight competition.

What the lender will ask for

The interview is a financial X-ray. Be ready to present, in general:

• Identification and an immigration status compatible with the intended loan product.
• Documented income — recent pay stubs, W-2s for the last two years and, for the self-employed or business owners, income tax returns for the last two years.
• Bank statements for the last two to three months, from every account used for the down payment.
• Monthly debts — car, credit card, student loans, support payments. That is what forms the debt-to-income ratio (debt-to-income), perhaps the single most decisive number in the analysis.
• A credit pull (hard inquiry), which shows up in your history.

One detail that saves money: shopping several lenders to compare rates does not wreck your score. Scoring models group mortgage credit inquiries made within the same short window — generally two to six weeks, depending on the model — and treat them as one. Shopping for the price of money is behavior the system anticipates, not one it punishes.

What the letter says — and what it does not guarantee

The letter is literally a letter: letterhead, signed, stating that the buyer has been reviewed and has purchasing power up to a given amount. That ceiling is what the seller's agent reads.

What it is not : a loan guarantee. Final approval still depends on items tied to the property — above all the independent appraisal (appraisal), which must support the agreed price, and the condition of the property itself within the requirements of the loan product. It also depends on your financial situation staying the same. Letters usually last 60 to 90 days and are reissued easily.

A practical negotiating tip: ask the lender for a letter in the amount of your offer, not at your maximum ceiling. Showing the seller you can pay US$950,000 while offering US$880,000 hands them a ready-made argument to ask for more.

Why it travels with the offer

On the other side, the seller is choosing among proposals and the criterion is not only price — it is probability of closing. An offer with verified pre-approval, proof of funds for the down payment and coherent timelines has a real chance. An offer without documentation is an intention.

In a market that goes into contract within days, there is no time to chase paperwork after seeing the dream house. When the right home appears, either you are already ready, or it belongs to someone else.

What can undo an approval already granted

Between the letter and the handover of keys, your credit is rechecked. The classic stumbles:

• Financing a car or opening a new credit card. It changes the debt-to-income ratio at the worst possible moment.
• Changing jobs or employment status — especially moving from payroll employment to self-employment.
• A large deposit with no explained source. Every material amount needs a documented trail; a gift from a relative requires a specific letter.
• Paying any bill late. A single late payment can push the score below the band that supported the rate you were offered.

The golden rule for the period between the offer and closing is to change nothing: not debt, not employment, not bank accounts.

This text is informational and does not replace your loan officer's guidance. Requirements vary by loan product and by institution.

Sources and verification

• Consumer Financial Protection Bureau (CFPB) — difference between pre-qualification and pre-approval and documentation required in mortgage origination.
• CFPB — the Ability-to-Repay / Qualified Mortgagerule: obligation to verify income, assets and debts before approval.
• FICO / credit scoring models — grouping of mortgage credit inquiries made within the same short window as a single inquiry.
• California Association of REALTORS® — purchase forms and the standard practice of submitting a pre-approval letter with the offer.
• Requirement of an independent appraisal as a condition for final loan approval.

Watch this part of the episode:

The first step: how to get your pre-approval letter (lender) — starting at 15:43 · CADÊ BRAZIL