THE SHORT ANSWER

Financing a 5–50-unit apartment property generally involves commercial multifamily underwriting. Lenders examine the building's income, expenses, condition, value, and proposed debt, along with the borrower and ownership team. The maximum loan is constrained by several factors, not just a down-payment percentage.

Know which financing category you are discussing

Two- to four-unit properties can qualify for residential programs when their specific requirements are met. Five or more apartments generally use commercial multifamily financing. HUD's multifamily programs and its one- to four-unit FHA programs illustrate this distinction.

Banks, credit unions, agency lenders, HUD-approved lenders, and other capital providers serve different situations. Availability depends on property size, location, condition, operations, borrower qualifications, and the proposed transaction. Do not assume a program described online fits a particular building.

Prepare the property and borrower evidence

A preliminary financing discussion is more useful with a dated rent roll, operating history, purchase terms, capital-work budget, and business plan. The lender may request tax, insurance, organizational, personal financial, and experience information as underwriting develops.

  • Show actual collections separately from proposed rent increases.
  • Explain recurring expenses and planned capital replacements.
  • Identify the borrower entity, owners, experience, and liquidity.
  • Provide a sources-and-uses budget covering all acquisition costs.
  • Disclose existing debt and any proposed subordinate financing.

Understand the interaction between loan constraints

A property's accepted value may support one amount at the lender's LTV limit, while income supports less under its DSCR test. Debt yield, condition, reserves, or borrower requirements may add further constraints.

As a hypothetical exercise, a $2 million value at an assumed 70% LTV suggests $1.4 million. If the same proposed debt fails the lender's cash-flow test, the loan might need to be smaller. The LTV arithmetic does not create an approval or term sheet.

Compare the full loan lifecycle

Record rate, fixed or variable period, amortization, maturity, interest-only period, fees, reserves, guarantees, reporting duties, and prepayment provisions. A longer amortization can reduce periodic payments while leaving a substantial maturity balance.

Ask what happens after renovations, after an interest-only period, at a rate reset, and at maturity. A bridge loan's exit needs its own evidence and contingency plan. Review actual terms with the lender and qualified counsel rather than relying on a general product summary.

Finally, test the owner's cash needs if collections fall or the loan closes later than planned. Financing education helps you compare obligations; it does not guarantee a loan or determine which borrowing is appropriate for you.

Common questions

What down payment is required for a 20-unit property?

There is no universal percentage. Price, accepted value, income coverage, borrower qualifications, and program rules affect the loan and total cash needed.

Does living in one apartment make a 20-unit building residential financing?

Generally no. Unit count and program eligibility still place a 20-unit property in commercial multifamily financing.

Sources & further reading

Educational content from Real Estate 101. Updated 2026-09-05. Refer to the original sources and your professional advisers for transaction-specific requirements.