Mortgage Loan Officers · Chapter 04 of 10
The first conversation and the preapproval
The discovery call sets the whole file. Ask about the home, the timeline, the funds, and the job. Never ask about the borrower. The letter you hand back has to earn the same discipline: a fact, not a promise.
This chapter walks the path from a first phone call to a preapproval letter in the borrower's hand. It covers what you can ask and what you cannot, the difference between prequalification, preapproval, and a fully underwritten preapproval, the document set each borrower type needs to get there, the rules around pulling credit, and the language a preapproval letter can and cannot use. Nothing here is a rate quote, and nothing here is advice about which program fits a given borrower; that call belongs to the borrower, working from facts you and your compliance department supply.
The first call
A discovery call has one job: collect enough real information to route the borrower to the right next step, without ever asking about who the borrower is. The Equal Credit Opportunity Act and Regulation B bar discrimination in any aspect of a credit transaction on the basis of race, color, religion, national origin, sex, marital status, age, receipt of income from a public assistance program, or the good faith exercise of any right under the Consumer Credit Protection Act verified [8]. A discovery script built entirely around the home, the timeline, the funds, and the job stays inside that line without you having to think about it mid-call.
| Ask about (facts the borrower volunteers) | Never ask about |
|---|---|
| What kind of home, and roughly where | Race, color, national origin, or the racial or ethnic makeup of a neighborhood |
| Timeline: browsing, under contract, or somewhere between | Religion or religious affiliation |
| Price band the borrower has in mind | Marital status as a qualifying question on the call itself |
| Funds available for a down payment and where they are sitting today | Age, except where a program has a legitimate, disclosed age-based eligibility rule |
| Employment: job, how paid, roughly how long there | Sex or gender |
| Whether the borrower knows their approximate credit picture | Whether income includes public assistance, asked in a way that signals it changes how the borrower is treated |
| Whether the borrower already has a real estate agent | Family or household composition beyond what a program's occupancy rules require |
One nuance worth flagging so it does not read as a contradiction later: marital status and age are collected on the formal, written loan application itself, for legal and HMDA monitoring purposes under Reg B, once the borrower has decided to apply verified [8]. That is a different moment, on a different form, filled out by the borrower or with the borrower's consent, not a qualifying question you ask to shape the conversation. Keep the discovery call itself limited to the left column of that table, and let the formal application collect what it is required to collect, the way it is required to collect it.
The three levels
Lenders do not use these three terms identically, and the CFPB itself notes the terminology is not standardized; ask what your own company's terms mean before you use them with a borrower report [3]. The general shape holds across most retail and broker desks.
| Level | What it is | What it needs | What it promises |
|---|---|---|---|
| Prequalification | A preliminary budgeting estimate built on what the borrower self-reports, largely unverified | A conversation; income, debt, and asset figures the borrower states, not documents | Nothing binding. A rough sense of a price range, not a rate, not an approval |
| Preapproval | A fuller application with document verification: credit pulled, income and asset documents collected and reviewed | The documents checklist below, plus a credit pull under a permissible purpose | A conditional loan amount and program, subject to full underwriting, appraisal, and the property itself |
| Fully underwritten preapproval | A 2026 practice, more common in competitive markets: the file goes through full underwriting, sometimes including an AUS run, before an offer is even written | Everything preapproval needs, submitted to and cleared by an underwriter ahead of time, only the specific property left unverified | A letter that competes closer to a cash offer, still subject to the property, the appraisal, and title |
The middle and right columns of that table are the two you say out loud to a borrower or an agent partner: what this level needed, and what it does and does not promise. None of the three levels is a guarantee the loan closes.
The documents checklist
What gets asked for after conditional approval converges across sources on a common set: updated pay stubs and bank statements, letters of explanation for anomalies, proof of funds to close, proof of homeowner's insurance naming the lender as mortgagee, government-issued photo ID, and certified funds or a confirmed wire at closing report [5]. The preapproval-stage list below builds from that same common set, organized by borrower type, and every company overlays its own exact document list on top of it; treat this as the starting checklist to confirm against your own desk file, not the final word.
W-2 EMPLOYEE - Most recent 2 years W-2s - Most recent 30 days of pay stubs - Most recent 2 months bank/asset statements, all pages - Photo ID - Letter of explanation for any credit inquiry, late payment, or large deposit SELF-EMPLOYED (25%+ ownership) - Most recent 2 years personal and business tax returns, all schedules - Year-to-date profit and loss statement, signed - Most recent 2 months business and personal bank statements, all pages - Business license or equivalent proof of business existence - CPA letter, if the file needs one, per your company's overlay - Photo ID VA BORROWER - Certificate of Eligibility (COE), or the DD-214 needed to request one - Most recent Leave and Earnings Statement (LES), if active duty - Most recent 2 years W-2s or tax returns, per employment type - Most recent 30 days of pay stubs - Most recent 2 months bank/asset statements - Photo ID FIRST-TIME BUYER WITH GIFT FUNDS - Signed gift letter naming donor, relationship, amount, and stating no repayment expected - Donor's bank statement showing the funds and the withdrawal - Borrower's bank statement showing the deposit, matched to the gift letter amount - Standard W-2 or self-employed document set above, per employment type - Photo ID
Gift funds themselves are program-specific. On conventional loans, a gift can cover the entire down payment on a one-unit primary residence from an eligible family-relationship donor, and Fannie Mae's own Selling Guide sets a minimum-borrower-contribution rule at certain down payment levels that you should confirm on the current guide page before quoting verified [11]. FHA allows the entire minimum down payment to come from a gift, with the broadest donor eligibility of the three: family, a documented close friend, an employer, or a charitable organization. VA allows gift funds to cover up to the full, zero-required down payment report [12].
Credit pull rules
Pulling a consumer report requires a permissible purpose under the Fair Credit Reporting Act. A bona fide mortgage application creates that permissible purpose on its own, but getting the borrower's written or recorded authorization on file is treated as best operational practice, not optional, at most companies, and you should follow your own company's policy on when that authorization is collected regardless of what the statute alone requires report [6]. The highest-risk pattern for an individual LO is pulling credit to "see what someone qualifies for" before a bona fide application exists or a written authorization is on file; never do that. Some companies offer a soft pull for an early prequalification look that does not affect the borrower's score, followed by a hard pull once the borrower moves to preapproval; whether your company offers a soft-pull option, and under what authorization, is a company policy question, not a universal industry rule claim. One more date to know: a federal law effective March 5, 2026 restricts consumer reporting agencies from selling "trigger lead" data, the leads generated when a bureau logs a mortgage-related credit inquiry, to third parties, with narrow exceptions for a lender that already originated or services the loan, or a depository where the consumer already holds an account verified [7]. After that date, an unsolicited lead sourced from someone else's credit inquiry, arriving from anywhere other than your own CRM, is a compliance-review item before you work it, not a normal lead.
The numbers as facts
Three numbers come up in nearly every preapproval conversation. Explain each one as a definition, the way an underwriter or an appraiser uses it, never as a promise about what a specific borrower will be approved for.
- DTI (debt-to-income ratio). Total monthly debt payments, including the new mortgage payment, divided by gross monthly income. Regulation Z's Ability-to-Repay rule requires the creditor to make a reasonable, good-faith determination that the consumer can repay, based on verified income, assets, and debts from reasonably reliable third-party records, and your job in intake is gathering that verifiable documentation, not estimating a number on the call verified [9]. The exact maximum DTI a given file can carry depends on the program and the investor overlay; do not state a number as a rule of thumb without checking the specific program.
- LTV (loan-to-value ratio). The loan amount divided by the lesser of the purchase price or the appraised value. LTV is one of the loan terms Regulation Z names specifically as a basis loan originator compensation may never be tied to, directly or through a proxy verified [14]. Explain LTV to a borrower as a math fact tied to down payment size, not as a lever you can move for them.
- Reserves. Verified liquid assets left over after closing, usually expressed as a number of months of the future mortgage payment. Jumbo underwriting is a useful, sourced example of how reserve requirements attach to risk: secondary sources describe most jumbo lenders requiring post-closing cash reserves on top of a 10 to 20 percent down payment and a sub-36 percent DTI target, on top of a credit score minimum report [10]. Reserve requirements vary by program and lender; state them as "your specific program requires X, confirm with your file," not as a flat industry number.
The preapproval letter
A preapproval letter is a written communication to a specific consumer about a specific loan amount, which puts it squarely inside Regulation G's requirement that an MLO provide their NMLS unique identifier in their initial written communication with a consumer verified [13]. Beyond the NMLS ID, the letter has to do two things at once: give the borrower and the borrower's agent something they can act on, and never read as a commitment to lend.
| Must say | Must not say |
|---|---|
| Loan officer's name and NMLS ID, and the company's NMLS ID | "Approved" without a qualifier; this is a preapproval, not a closed loan |
| The loan amount and program the letter is based on | A specific interest rate or payment, unless the rate is genuinely locked and the letter says so |
| That the letter is subject to underwriting, appraisal, title, and verification of all submitted information | Any language implying the loan is guaranteed to close |
| An expiration or valid-through date | An open-ended letter with no expiration at all |
| That the letter is not a commitment to lend | Comparative language favoring one program over another for this borrower |
[Company name, NMLS #_______] [Loan officer name, NMLS #_______] [Date] RE: Preapproval for [Borrower name] Based on the information and documentation provided as of [date], and subject to the conditions below, [Borrower name] is preapproved for a [program, e.g., conventional fixed-rate] loan up to $[amount]. This preapproval is subject to: - A fully executed purchase contract - A satisfactory appraisal of the property - Verification of all information and documentation submitted - No material change in the borrower's credit, income, employment, or assets - Underwriting approval of the specific loan file This is not a commitment to lend, not a rate lock, and not a guarantee this loan will close. This preapproval expires on [date, typically 60 to 90 days from issue] unless extended in writing. Questions about this letter: [LO name], [phone], [email], NMLS #[number]
Compliance or manager review before send, wherever your company requires it for any borrower-facing document. The template above is a starting structure, not a compliance-approved form; your company's actual preapproval letter template, with its own required disclosures, is the one you use.
What an LO never promises
- That the loan will close, at any level, prequalification through fully underwritten preapproval.
- A specific rate, unless it is genuinely locked and disclosed as such, in writing, at that moment.
- A specific payment amount as a final figure, before underwriting and the appraisal are complete.
- That one program is better than another for this borrower; you present facts, the borrower decides, with the required disclosures.
- A closing date, before the file has cleared underwriting and title has confirmed one.
- Anything about why a specific credit decision came out the way it did, beyond the creditor's own approved adverse-action reason codes.
Claude workflow: preapproval document checklist and follow-up
Trigger: a borrower moves from discovery call to preapproval, and their employment type (W-2, self-employed, VA, gift funds) is known.
What Claude prepares: starting from the desk file's document list for that borrower type, Claude builds the specific checklist for this borrower and drafts the document request the LO will send.
What the human checks and does: confirms the checklist matches the company's current overlay for that program and borrower type, sends the request through the company's approved borrower-communication channel, and follows up on anything outstanding.
What is never automated: sending a document request directly to a borrower without a human review, and pulling credit or submitting anything to underwriting based on Claude's read of what has been received.
Claude workflow: application intake prep summary
Trigger: the borrower has returned enough documents to review before submission to processing.
What Claude prepares: a one-page intake summary listing what was requested, what was received, what is still outstanding, and any inconsistency between the documents and the discovery call notes (a stated income that does not match a pay stub, for example) for the LO to review.
What the human checks and does: personally reviews every document against the summary, resolves any inconsistency directly with the borrower, and decides whether the file is ready to submit.
What is never automated: deciding a file is complete or ready for underwriting; that judgment call stays with the LO and, per company policy, the processor.
Claude workflow: the three-level explainer
Trigger: an agent partner asks the LO to explain prequal versus preapproval versus underwritten preapproval to their team or a specific buyer.
What Claude prepares: a plain-English one-pager, built from the table in this chapter, explaining what each level is, what it needs, and what it promises, for the LO's agent partners.
What the human checks and does: compliance reviews the draft before it goes to any agent partner or borrower, confirming it matches the company's own terminology, since the CFPB itself notes these terms are not standardized lender to lender.
What is never automated: publishing any version of this explainer, internal or external, without a compliance or manager review first.
What stays human
- Every question asked on a discovery call, and staying inside the allowed column of the table above.
- Deciding when a borrower has enough documentation to move from prequalification to preapproval to underwritten preapproval.
- Pulling credit, and confirming a permissible purpose or written authorization is on file before doing it.
- Every word in a preapproval letter before it is signed and sent, including the NMLS ID, the expiration date, and the subject-to language.
- Compliance or manager review of any Claude-drafted, borrower-facing or agent-facing document before it goes out.
- Any statement about why a credit decision came out a certain way; that comes only from the creditor's approved adverse-action process.
Do this today
- Write your own discovery call script from the allowed column of the table above, and read it out loud once before your next call.
- Pull your company's current preapproval letter template and check it against the must-say and must-not-say table in this chapter.
- Confirm your company's policy on written credit-pull authorization: when it is collected, and in what form, before your next preapproval.
Sources
- CFPB: TILA-RESPA Integrated Disclosure FAQs, retrieved 2026-09-04.
- CFPB: Intent to Proceed, retrieved 2026-09-04.
- Rocket Mortgage: Preapproval vs. Prequalification, via secondary summary of CFPB terminology guidance, retrieved 2026-09-04.
- HouseHack Seattle: Fully underwritten preapproval, retrieved 2026-09-04.
- LRG Realty: Closing readiness checklist, retrieved 2026-09-04.
- America's Credit Unions: Permissible purpose under FCRA, retrieved 2026-09-04.
- Churchill Mortgage: Homebuyers Privacy Protection Act, retrieved 2026-09-04.
- CFPB: Regulation B, 12 CFR 1002.4, retrieved 2026-09-04.
- CFPB: Ability-to-Repay/Qualified Mortgage Small Entity Compliance Guide, retrieved 2026-09-04.
- Lower.com: Jumbo loan qualification, retrieved 2026-09-04.
- Fannie Mae Selling Guide: Personal gifts, retrieved 2026-09-04.
- Rocket Mortgage: Gift letter for a mortgage, retrieved 2026-09-04.
- NMLS: Required use of the NMLS unique identifier, retrieved 2026-09-04.
- eCFR: 12 CFR 1026.36, loan originator compensation and steering, retrieved 2026-09-04.
- Operator evidence, from a Phoenix buyer's agent who works new construction with builder lenders: preapproval and lender-choice steps of the 12-step new-construction buying process, retrieved 2026-09-04.
Starting from zero? Use the field manuals first.
02 · BEFORE YOU BUY SOFTWARE
If you're still choosing the buyer, offer, stack, agents, content, customers, and delivery, don't start with a tool: start with the manuals. These create local worksheets only: no checkout, outreach, or account setup.
Find the first manual
Not sure which guide to open first? Start from your stuck point and let the finder recommend the next manual and the first worksheet question. No personal data is collected: it just points you at the right starting move.
Work the starter pack
Move through buyer, offer, stack, agents, content, customers, and delivery as a sequence of short local worksheet sessions. One artifact at a time, in order, so you build the business instead of browsing for it.
See what "done" looks like
Read a fully worked field manual before writing your own version, so the output feels concrete: a real, numbered workflow with the risky steps gated, not a fake proof claim.