Multifamily Loans — Financing Apartment Properties With Five or More Units

Where residential ends and multifamily begins

A duplex, triplex, or fourplex is residential property. You can buy one with an FHA, VA, or conventional loan, live in a unit, and qualify partly on your personal income. Add a fifth unit and everything changes: the property becomes commercial multifamily, agency and consumer mortgage rules no longer apply, and the underwriting question shifts from "can this borrower afford the payment?" to "does this building service the debt?"

How the loan amount is actually determined

Three tests run in parallel, and the most restrictive one sets your loan:

• Loan-to-value: a percentage of the appraised value, commonly 65% to 75%.
• Debt service coverage ratio: net operating income divided by annual debt service, with a required minimum typically between 1.20x and 1.25x.
• Debt yield: net operating income divided by the loan amount, a lender-side floor that protects against inflated valuations in low-rate environments.

Net operating income is gross rental income, less vacancy and credit loss, less all operating expenses — taxes, insurance, utilities, repairs, management, and a replacement reserve. Note what is not subtracted: mortgage payments, depreciation, and capital improvements. Sellers commonly present a pro forma that understates management and reserves; lenders re-underwrite the expenses using market assumptions, which is why an appraised NOI is often lower than the offering memorandum shows.

Structure, term, and recourse

Small balance multifamily loans are typically written with a 5, 7, or 10 year term amortized over 25 or 30 years, leaving a balloon at maturity. Fixed and hybrid adjustable structures are both common. Loans are usually recourse at smaller balances, meaning a personal guaranty, and non-recourse options with standard carve-outs appear at larger balances and stronger sponsorship. Prepayment protection — step-down penalties or yield maintenance — is standard and is one of the most important terms to negotiate up front.

What sponsors are evaluated on

Credit, liquidity after closing, net worth relative to the loan amount, and experience operating similar assets. A first-time buyer of a 40-unit property is a materially different file from an operator with six comparable buildings. Property condition matters too: a physical needs assessment may be ordered, and deferred maintenance can trigger a repair escrow.

Common paths investors take

Stabilized acquisition with permanent financing; value-add acquisition using bridge financing with a renovation budget, then a permanent refinance once the rent roll stabilizes; a cash-out refinance after a successful lease-up; or a rate-and-term refinance ahead of a balloon maturity.

All ratios, rates, and dollar figures on this page are illustrative and are not a quote, lock, offer, or commitment to lend; binding figures appear on your Term Sheet. These are business-purpose loans on non-owner-occupied property.

How multifamily properties (five or more units) are financed and underwritten

Once a property carries five or more units, it is no longer residential financing; it is commercial real estate underwriting built around the asset’s income, not the borrower’s personal income.

Program parameters above are published by the agencies and enterprises named in the right-hand column and can change. They describe program rules, not an offer; eligibility, terms, conditions, and availability vary by borrower, property, lender, loan program, and state, and all loans are subject to lender underwriting and approval.

Why five units is the line, and what actually changes there

The one-to-four-unit versus five-plus-unit line is not arbitrary; it is where Fannie Mae, Freddie Mac, and FHA draw the boundary between residential and commercial multifamily programs, and where Regulation Z’s consumer mortgage protections stop applying. A fourplex, even if entirely rented out and owned purely as an investment, is still financed under residential rules with residential disclosures. A five-unit building next door, functionally similar in almost every way, is underwritten as a commercial asset: the loan is sized against the building’s income stream, held in an entity, and closed with commercial loan documents rather than a Loan Estimate and Closing Disclosure. Buyers moving from a duplex or triplex into their first five-plus-unit purchase are often surprised by how differently the transaction feels, even when the building itself does not feel categorically different.

Why the building’s financials matter more than the buyer’s

Multifamily underwriting starts from net operating income: gross rental income, minus vacancy and credit loss, minus operating expenses like taxes, insurance, utilities, repairs, and management, arriving at the income available to service debt. The lender then applies a minimum debt service coverage ratio, dividing that net operating income by the proposed annual debt service, to confirm the property itself generates enough cash flow to support the loan with a margin of safety. A borrower’s personal income and credit still matter for guaranty and reserve purposes, but the loan amount is fundamentally a function of what the building earns, not what the buyer earns. This is why a well-documented rent roll and trailing operating statements carry more underwriting weight on a multifamily file than a borrower’s pay stubs ever would.

Choosing among agency, HUD, and other capital sources

Fannie Mae and Freddie Mac each run dedicated multifamily lending programs distinct from their single-family guides, generally suited to stabilized, well-occupied properties. HUD’s FHA-insured multifamily programs, including Section 221(d)(4) for new construction and substantial rehabilitation and Section 223(f) for acquisition or refinance of existing properties, offer government-insured financing with their own extensive application process through HUD’s Multifamily Accelerated Processing lenders. Life insurance companies, banks, and other institutional lenders also compete in this space with their own underwriting appetites. Choosing among them depends heavily on the property’s stabilization status, the borrower’s timeline, and how much process the borrower is prepared to go through, since HUD-insured financing in particular can involve a longer application and approval cycle than agency or bank financing.

What documentation drives a multifamily loan file

The property’s financial history and the sponsor’s track record carry the underwriting, not personal pay stubs.

Documentation requirements vary by lender, program, and file. The list above describes what underwriting commonly accepts, not a determination about your income or your approval.

Multifamily loan versus a residential investment loan on a smaller property

The unit count and consumer-protection boundary drive most of the practical differences.

A worked example: debt service coverage on a multifamily property

Illustrative only. Not a quote, lock, offer, or commitment to lend; figures are round numbers used to show the method, and binding figures appear on your Loan Estimate.

A twelve-unit apartment building generates $180,000 in annual gross rental income. After a vacancy and credit loss allowance and documented operating expenses, net operating income is calculated at $108,000. If a lender requires a minimum debt service coverage ratio and the proposed loan’s annual debt service would be $90,000, the resulting coverage ratio is $108,000 divided by $90,000, or 1.2. Whether that clears the specific lender’s minimum requirement determines the maximum loan amount that property’s income can support.

Illustrative only. Figures are examples used to show the arithmetic and are not a quote, lock, offer, or commitment to lend; binding figures appear on your Loan Estimate.

How this applies in Florida and Colorado

Florida. Florida multifamily properties, particularly in coastal and hurricane-exposed submarkets, require particular attention to insurance availability and cost, since windstorm and flood coverage can materially affect the operating expense line that drives net operating income and, in turn, loan sizing.

Colorado. Colorado multifamily properties along the Front Range benefit from strong rental demand in several metro submarkets, while mountain-market multifamily assets should be underwritten with attention to seasonal occupancy patterns and local capital expenditure needs tied to snow load and heating system demands.

Simply Approved Mortgages LLC arranges residential mortgage loans in Florida and Colorado, so the two applications above are the ones we can act on for a consumer file. Business-purpose loan products may be arranged in additional states only where permitted by applicable law and pursuant to applicable licensing requirements or exemptions.

How a multifamily loan moves from application to closing

The process centers on the property’s financial documentation and the sponsor’s capacity.

1. Assemble trailing financials and a current rent roll. These establish the net operating income the loan will be sized against.
2. Identify the right capital source. Compare agency, HUD-insured, and institutional lender programs against the property’s stabilization and your timeline.
3. Submit sponsor and entity documentation. Personal financial statements, real estate schedules, and entity formation documents.
4. Order third-party reports. Appraisal, property condition assessment, and environmental review as required by the lender.
5. Underwrite to debt service coverage and reserve requirements. The lender confirms the property’s income supports the loan with the required coverage margin.
6. Negotiate loan terms and any guaranty structure. Confirm recourse, reserve requirements, and covenants before signing commitment documents.
7. Close in the borrowing entity’s name. Multifamily loans are typically closed in an LLC, LP, or corporate entity rather than an individual’s name.

Mistakes that cost people money on this

• Assuming personal income qualifies the loan the way it would on a residential mortgage.
• Submitting projected rather than trailing actual operating statements.
• Underestimating required reserves for replacement and capital needs.
• Not confirming which entity structure the lender requires before closing.
• Overlooking how insurance costs affect net operating income in coastal or wildfire-exposed markets.
• Choosing a HUD-insured application path without accounting for its longer approval timeline.

Is this the right move for your situation?

The honest answer depends on the file. These are the patterns we see on both sides.

Usually a good fit when

• You are acquiring or refinancing a stabilized property with documented income and expense history.
• You are comfortable owning through an entity structure and, where required, providing a personal guaranty.

Usually not the right move when

• The property has fewer than five units and would be financed under residential guidelines instead.
• You need consumer-style disclosure protections; business-purpose multifamily loans fall outside Regulation Z.

None of this is a determination about your file. A Simply Approved Mortgages Loan Officer can run your actual numbers and show you what your disclosures would say.