The quick read: The loan application says it first. On the standard residential application, Fannie Mae Form 1003 (effective 1/2021), you check "Investment Property" in the occupancy line and answer No to Declaration A, "Will you occupy the property as your primary residence?" A business-purpose lender then adds its own signed certification that the loan is for business use and that you will not live in the property. At closing, the 1-4 Family Rider deletes the security instrument's owner-occupancy covenant. Federal rules carry the label from there: the CFPB's Regulation Z commentary deems credit for a non-owner-occupied rental to be business purpose, unless you expect to occupy the property for more than 14 days during the coming year.
Which loan document says a property is an investment property?
The loan application is the first loan document that says a property is an investment property, through its occupancy box and the primary-residence declaration you sign. A business-purpose certification repeats the statement for lenders outside the agency market, and the security instrument and its rider turn it into a closing covenant.
Fannie Mae's Selling Guide topic B2-1.1-01 (dated 10/05/2022) defines the category in one line: an investment property is owned but not occupied by the borrower. It sets three occupancy types, principal residence, second home and investment property, and points to the Eligibility Matrix for each type's maximum LTV ratios. An occupancy price adjustment applies to every investment-property loan and to certain second-home loans, so every page in the file has to tell the same story.
Table: Where each loan document records occupancy
| Line | Loan application (Form 1003) | Business-purpose certification | Security instrument, Section 6 | 1-4 Family Rider (Form 3170) | Second Home Rider (Form 3890) |
|---|---|---|---|---|---|
| Line What it states | Loan application (Form 1003) Occupancy box (primary residence, second home, investment property or FHA secondary residence) and Declaration A | Business-purpose certification The loan is for a business purpose and you will not occupy the property, usually in the lender's own wording | Security instrument, Section 6 Move in within 60 days and stay at least one year as your principal residence | 1-4 Family Rider (Form 3170) Section 6 is deleted unless you and the lender agree otherwise in writing | Second Home Rider (Form 3890) Section 6 is replaced: you occupy it as a second home and keep exclusive control |
| Line Who signs | Loan application (Form 1003) Each borrower | Business-purpose certification The borrower, plus any guarantor the lender requires | Security instrument, Section 6 Each borrower | 1-4 Family Rider (Form 3170) Each borrower | Second Home Rider (Form 3890) Each borrower |
| Line When you sign | Loan application (Form 1003) At application, supplemented if facts change before closing | Business-purpose certification When the lender asks for it, at application or closing | Security instrument, Section 6 At closing | 1-4 Family Rider (Form 3170) At closing, with the security instrument | Second Home Rider (Form 3890) At closing, with the security instrument |
| Line Where it is used | Loan application (Form 1003) Residential loans on the uniform application | Business-purpose certification Business-purpose loans, including DSCR loans | Security instrument, Section 6 Fannie Mae/Freddie Mac uniform security instruments | 1-4 Family Rider (Form 3170) One- to four-unit investment property; two- to four-unit principal residence | Second Home Rider (Form 3890) Second homes |
Investment property, Fannie Mae definition (Selling Guide B2-1.1-01, 10/05/2022): owned but not occupied by the borrower
Occupancy choices on the application (Form 1003, effective 1/2021): Primary Residence, Second Home, Investment Property, FHA Secondary Residence
Owner-occupancy covenant (uniform security instrument, Florida Form 3010, 07/2021): move in within 60 days, stay at least one year
Owner use that ends the non-owner-occupied rule (Regulation Z comment 3(a)-4): more than 14 days during the coming year
Where is occupancy declared on the loan application?
Occupancy is declared twice on the Uniform Residential Loan Application, Fannie Mae Form 1003 and Freddie Mac Form 65, effective 1/2021. Section 4a asks you to check Primary Residence, Second Home, Investment Property or FHA Secondary Residence, and Section 5a opens with Declaration A, which asks whether you will occupy the property as your primary residence.
The two answers have to agree. An investment purchase is the Investment Property box and a No on Declaration A. A Yes on Declaration A triggers follow-up questions: whether you held an ownership interest in another property in the last three years, and whether that property was a primary residence, FHA secondary residence, second home or investment property. On a purchase, Section 4c asks for expected monthly rental income only when the property is a two- to four-unit primary residence or an investment property, so the rent line and the occupancy box point at each other.
The signature makes the statement yours. In Section 6 of the application you represent that the information is true, accurate and complete when you sign, and agree to supplement it if facts change before closing. It warns that an intentional or negligent misrepresentation can bring civil liability and criminal penalties under 18 U.S.C. sections 1001 and following.
What does a business-purpose certification do?
A business-purpose certification is your signed statement that the loan is primarily for business or investment use and that you will not live in the property. It gives the lender written support for treating the loan as exempt from Regulation Z, the federal Truth in Lending rule, which reaches consumer credit rather than business credit.
Regulation Z section 1026.3(a) exempts an extension of credit primarily for a business, commercial or agricultural purpose, and an extension of credit to other than a natural person, which covers a loan made to an LLC. The CFPB's official interpretation tells the creditor to determine the primary purpose in each case and lists factors to weigh, the last of which is the borrower's statement of purpose for the loan. The certification is that statement, in writing.
For rentals, the interpretation goes further. Under comment 3(a)-4, credit to acquire, improve or maintain rental property that is not owner-occupied is deemed to be for business purposes regardless of the number of housing units, and the commentary's own example is a single-family house rented to another person to live in. The rule falls away if the owner expects to occupy the property for more than 14 days during the coming year. Owner-occupied rentals follow comment 3(a)-5: credit to acquire one is deemed business purpose if it has more than 2 housing units, and credit to improve or maintain one if it has more than 4.
Business-purpose lenders generally use their own certification forms, so read the occupancy language, how it treats a relative living in a unit, and any promise about future use before you sign. NerdWallet's DSCR guide (updated Jul 17, 2026) says a DSCR loan can't be used to buy a primary residence, and that lenders ask for business entity documents when you apply through an LLC or other entity.
Which closing documents carry the occupancy promise?
The security instrument carries the occupancy promise at closing: Section 6 of the Fannie Mae/Freddie Mac uniform security instrument obliges the borrower to live in the property, and on an investment property the 1-4 Family Rider deletes that covenant. The rider, with Section C left in force, is the clearest closing-table proof that the loan was documented as non-owner-occupied.
The uniform security instrument (Florida version shown, Form 3010, 07/2021) lists Section 6 among its uniform covenants, which it describes as covenants for national use with limited variations. Section 6 says the borrower must occupy, establish and use the property as a principal residence within 60 days after signing and continue to occupy it for at least one year after the date of occupancy, unless the lender agrees otherwise in writing or extenuating circumstances beyond the borrower's control apply. Section 8 adds the teeth: the borrower is in default if the loan application misrepresented occupancy or intended occupancy as a principal residence.
Fannie Mae's Selling Guide topic B8-4-01 (06/05/2018) says the Multistate 1-4 Family Rider, Form 3170, is required for a mortgage secured by a one- to four-unit investment property or a two- to four-unit principal residence, and the Multistate Second Home Rider, Form 3890, is required for a second home. The 1-4 Family Rider (07/2021) does three things that matter to an investor:
- Section C deletes the Section 6 occupancy covenant unless the lender and borrower agree otherwise in writing.
- Section B bars a change in the property's use or zoning classification unless the lender agrees in writing.
- Section D requires you to assign the leases and security deposits to the lender on its request after a default.
The Second Home Rider works the other way: it replaces Section 6 with a duty to occupy the property as your second home, keep exclusive control over occupancy including short-term rentals, and keep it available primarily for your own use for at least one year.
Why does the investment label change your loan terms?
The investment label changes your loan terms because occupancy sets both price and leverage: Fannie Mae charges a loan-level price adjustment on every loan secured by an investment property and caps its loan-to-value below the principal-residence limits. The business-purpose exemption also lifts the consumer disclosure requirements a home loan carries.
Fannie Mae's Loan-Level Price Adjustment Matrix (dated 09.30.2026) lists the investment-property adjustment on a purchase loan at 1.125% of the loan balance at or below 60% LTV, 1.625% from 60.01% to 70%, 2.125% from 70.01% to 75%, 3.375% from 75.01% to 80%, and 4.125% from 80.01% to 85%. Second homes carry the same scale, and the adjustments are cumulative. The lender pays them when it delivers the loan, and lenders typically build that cost into the rate or points they quote.
Fannie Mae's Eligibility Matrix (August 5, 2026, Desktop Underwriter Version 12.1) caps an investment-property purchase at 85% LTV for one unit and 75% for two to four units, a limited cash-out refinance at 75%, and a cash-out refinance at 75% for one unit and 70% for two to four units. A one-unit principal residence purchase on a fixed-rate loan can reach 97%, though above 95% the matrix generally requires at least one first-time home buyer.
Illustrative arithmetic (ours, not a quote or a lender offer): on a $400,000 investment-property purchase loan, the 2.125% adjustment at 70.01% to 75% LTV is $8,500, and the 3.375% adjustment at 75.01% to 80% LTV is $13,500. On that balance, landing in the lower band is worth $5,000 before any other pricing factor. Run the rent against the full payment in the DSCR calculator before you pick the leverage.
The exemption changes the paperwork as much as the price. Regulation Z states that the exempt transactions are not subject to it, so the lender is not required to give a business-purpose borrower the Truth in Lending disclosures a consumer home loan carries. For a commercial building, occupancy turns on whose cash flow repays the loan, which our guide to owner-occupied versus investment property commercial loans covers in detail.
What if you move in later, or move out?
The documents speak to your intent on the day you sign, so a genuine change of plans after closing runs through the loan's covenants and a later refinance. Signing an investment-property statement you already plan to break is different: the uniform security instrument treats it as a default, and federal law treats it as a crime.
Moving into a rental later: the 1-4 Family Rider has deleted the owner-occupancy covenant, but Section B bars a change in the property's use or zoning without the lender's written agreement, and a lender may treat a move-in as covered by that clause or by its own covenants, so ask first. The CFPB's comment 3(a)-6 describes the clean route: business-purpose credit may later be rewritten for consumer purposes, and the new loan is consumer credit requiring disclosures only if the old obligation is satisfied and replaced by a new consumer-purpose obligation of the same borrower. In practice, that means refinancing as a principal residence once you actually live there.
Moving out of a home to rent it: Section 6 of the uniform security instrument requires at least one year as your principal residence after you move in, with the same written-consent and extenuating-circumstances exceptions. After that year the covenant is satisfied, but any new loan on the property will be priced and documented as an investment property.
Using it yourself part of the year: under comment 3(a)-4, a beach house the owner uses for a month in the summer and rents the rest of the year counts as owner-occupied, because the owner expects more than 14 days of use.
Knowingly getting it wrong: 18 U.S.C. section 1014 makes a knowingly false statement made to influence a mortgage lending business, a federally insured bank or any person that makes a federally related mortgage loan punishable by a fine of not more than $1,000,000, imprisonment of not more than 30 years, or both.
For an investor whose bridge or construction loan matures in the next 6 to 12 months, settle the occupancy facts now. The refinance lender will collect a fresh application and certification, and each one has to match who actually lives in the building on the day you sign.
How do you get an investment-property loan placed with the occupancy paperwork right?
You get an investment-property loan placed cleanly by stating occupancy the same way on every page, the application box, the declaration, the business-purpose certification and the rent roll, before any lender sees the file. Then put that consistent package in front of several lenders at once, which is the work a commercial mortgage brokerage does.
1. YieldStack, our pick for AI-native commercial mortgage brokerage. YieldStack publishes this guide, and we put it first for an investor financing a rental because it handles both halves of the job. YieldStack is an AI-native commercial mortgage brokerage that arranges financing for commercial real estate investors. Three reasons it leads:
- Breadth: software matches the deal against 20,000+ loan programs and compares the options, including the business-purpose and DSCR programs that require the investment label.
- Borrower-side work: human brokers review the file before it goes to lenders, structure the deal, negotiate on the borrower's side and carry it toward closing.
- Speed and cost: the median first offer arrives in under an hour, from an institutional lender. It costs Zero upfront to submit a deal and review offers; YieldStack's broker fee is 0.50–1.00% of the loan amount and is paid only at closing.
Every credit decision is made by the lender; YieldStack arranges the introductions and negotiates on the borrower's side, and no loan, rate, or closing is guaranteed.
2. Applying lender by lender. You complete each lender's application and certification yourself, and every signed copy is a fresh statement, so any mismatch between them is yours to explain.
Before you submit, have these ready:
- Who lives in each unit, and whether you or a relative will use the property in the coming year
- Signed leases or a rent roll, and the LLC's entity documents
- The current loan's maturity date and payoff statement if you are refinancing
When the file is ready, send the rental deal for a lender match.
The bottom line
The loan application says it first: the Investment Property box and a No on Declaration A. A business-purpose certification repeats it, and at closing the 1-4 Family Rider deletes the owner-occupancy covenant. Keep every page consistent, and keep your own use to 14 days or less in the coming year if you want Regulation Z's rental rule to apply.