The Fiirm guide · SBC

Can You Live in a Unit of the Multifamily You Are Financing?

Usually you cannot. Our Small Balance Commercial program will not lend when the borrower or a guarantor resides in the residential component, and the prohibition is written by state and unit count: Multi-Family or Mixed-Use of 6 units or fewer in New York and New Jersey, Multi-Family or Mixed-Use of 5 units or fewer everywhere else. Where a borrower does reside in a unit, it can flip the file into Owner Occupied classification and requires a Loan Purpose Analysis Worksheet. Consumer-mortgage law questions belong with your attorney.

6 unitsNY and NJ unit ceiling
5 unitsOther states unit ceiling
1.20x Global DSCOwner Occupied coverage
1.15x DSCRInvestor coverage
6 monthsLiquid reserves
SBCFocus
17 minRead
GeneralContext
August 31, 2026Updated

Usually you cannot. Under our Small Balance Commercial program, we will not lend when the borrower or a guarantor lives in the residential component of the building — and the prohibition is written by state and by unit count, not as a general principle. Where a borrower does reside in a residential unit and the deal is still eligible, the file stops being an ordinary investor file: it can be classified Owner Occupied, and a Loan Purpose Analysis Worksheet has to be completed before it can move.

This is the seam where business-purpose commercial lending meets consumer mortgage rules. The instinct is reasonable — buy the eight-unit, live in one, rent the other seven. The problem is that the moment you sleep there, the loan starts to look like something a commercial lender is not set up to originate.

The two sentences that decide this

The restriction lives in the Ineligible Borrowers/Guarantors list. It is two bullets, and they are not the same bullet.

Read them slowly, because they do different work.

The first bullet is about lending to a natural person as the borrower. It is a state-and-configuration restriction on individual borrowers. In practice it rarely bites on its own, because the program already requires the borrower to be a for-profit legal entity wholly owned by individuals who are US citizens or permanent resident aliens — LLCs, LPs, partnerships, corporations, and revocable trusts. If you were planning to take title personally, that is a separate conversation, and we have written it up in the companion piece on why a commercial lender requires you to borrow in an LLC.

The second bullet is the one that answers your question, and it is the one people misread. It applies to an individual or an entity. Forming an LLC does not get you around it. The test is whether the borrower or a guarantor resides in the residential component, and the answer turns on where the property is and how many units it has.

Reading the state and unit-count thresholds exactly

Here is the second bullet, split into its parts. I am quoting rather than summarizing because the thresholds are different in the two buckets and a paraphrase loses the difference.

Where the property isThe configuration named in the guidelineEffect if borrower/guarantor resides there
New York and New Jersey"a Multi-Family or Mixed-Use ≤6-unit property"We will not lend
All other states"Multi-Family or ≤5-unit Mixed-Use property"We will not lend

Two things to notice.

The unit ceiling is different in NY and NJ. Six units versus five. If you are looking at a six-unit mixed-use building, the answer to "can I live upstairs" changes depending on which side of the Hudson the building sits on. That is not an accident of drafting we are free to smooth over — it is the number in the guideline, and it is the number underwriting applies.

"Multi-Family" in that sentence is not qualified by a unit count in the second half. Under our program, Multi-Family means five or more residential units — that is the property-type definition, and all units must have full and legal kitchens. So in the all-other-states bucket, the sentence as written reaches Multi-Family properties generally, with the "≤5-unit" ceiling attaching to Mixed-Use. Applied literally, that means borrower residency in a multifamily building is not something the program contemplates in any state, and the surviving room is on the mixed-use side above the unit ceiling.

If your building is close to one of these lines — a six-unit in Jersey City, a five-unit mixed-use in Ohio with a storefront and four apartments, a converted single-family with a residential unit in the back — the right move is to put the actual address, the actual unit count, and the actual rent split in front of us before you spend money on an appraisal. The classification is done on the real configuration, not on a description.

Why the line is drawn where it is

Our program is business-purpose lending. Every loan is secured by business real estate or commercial property, and cash-out proceeds may only be used for business purposes — capital expenditures to the property, business or property related debt, and normal business expenses.

When a borrower lives in the collateral, the transaction starts to resemble a consumer mortgage. Whether it is one, in your state, on your facts, is a legal question governed by federal and state consumer-lending statutes. That belongs with your attorney, and you should be skeptical of any lender who answers it for you.

What I can tell you is what the program does: it declines the configurations named above outright, and where residency exists in a configuration the program still permits, it requires a specific document to confirm the loan is a commercial loan.

The Loan Purpose Analysis Worksheet

This is the piece almost nobody knows about until they are already in underwriting.

That is the entire provision. The guideline names the worksheet, states the trigger, and states its purpose. It does not publish the worksheet's contents, a turnaround time, or a fee, and I am not going to invent any of those — ask us on a live file and we will tell you what the current form requires.

What matters for planning is the trigger. It is not "if the property is owner occupied." It is specifically if the Borrower resides in a residential unit within the subject property. Business occupancy of a commercial suite does not trip it. Sleeping there does.

Residing in a unit can flip the file to Owner Occupied

The second consequence is classification. Our program sorts every property into Owner Occupied or Investor based on occupancy and income characteristics, and residency is one of the three doors into Owner Occupied.

Note the phrase "any residential unit." One unit out of ten is still one unit.

Owner Occupied classification is not a label — it changes which lane the loan is underwritten in, what documents you owe, and what the coverage test is. There is a separate qualifying threshold based on the share of the property's net rentable area the borrower uses, which we cover in the companion post on owner-occupied versus investor classification; the point here is narrower. Residency is what opens the door. Whether the file actually lands in the Owner Occupied lane depends on the utilization test, and if it does not, there is a specific rule for that case:

> Properties that otherwise meet the definition of an Investor Property but include partial borrower occupancy will continue to be classified as Investor Properties. In these cases, the standard investor experience requirement does not apply.

So partial occupancy does not automatically convert an investor deal. It stays Investor — and one requirement, the investor experience requirement, is waived when it does.

A real tension in the text, stated plainly

The Investor Property Definition in the same section says a property is Investor if at least 50% of its effective gross income comes from arm's-length third-party tenants, "or if it is a Multifamily property, Manufactured Housing Park (MHP), 1–4 Unit Residential Property, or Planned Unit Development (PUD), regardless of occupancy."

"Regardless of occupancy" and "resides in any residential unit" point in opposite directions for a multifamily building. Both provisions were updated on the same date in the guideline's change log, so neither is the newer statement, and I am not going to pretend one silently controls. For most readers the question is academic, because the residency prohibition above already forecloses borrower occupancy in a multifamily. Where it is not academic — a mixed-use property above the unit ceiling, for instance — underwriting makes the classification call on the file, and you should get that call in writing early rather than assume it.

What actually changes if the file lands in the Owner Occupied lane

Different lane, different tests. These are the core parameters as published.

Owner OccupiedInvestor
Loan size$100K–$2.5MM$100K–$2.5MM
Max LTV, purchase80% for loans with ≥725 FICO80% for loans with ≥725 FICO
Max LTV, cash-out or refinance75%75%
Coverage test1.20x Global DSC1.15x DSCR
Underwriting methodGlobal DSCProperty DSCR
Occupancy requirement75%75%
Stabilization75% occupancy over a 90-day trailing underwriting period75% occupancy over a 90-day trailing underwriting period

The coverage test is the change that costs money. Owner Occupied is underwritten on Global DSC, defined in our guideline as total annual global net operating income divided by 50% of total annual personal, business, and subject-property debt obligations. Investor properties are underwritten on property DSCR — underwritten net operating income over annual debt service coverage payments. Those are different questions. The first one drags your personal and business balance sheet into the file. The second one asks about the building.

At a glance
1.2
1.15
1

The document load changes too. The Lite Doc program is applicable to investor properties only. Owner Occupied files carry a document the investor lanes do not: most recent two years of business profit and loss statements or federal tax returns including Schedule C or IRS transcripts plus YTD, or a CPA-prepared statement, or six months of business bank statements — and the guideline specifies it must match borrower business operations located at the subject, unless a purchase or expansion. That last clause matters for a residency file: if the trigger for Owner Occupied is that you live there rather than that your business operates there, this document requirement was drafted around a business you may not have at the property. That is a conversation to have with your underwriter early, not a form to guess at.

There is also a relief valve. If an Owner Occupied file under the complete or bank statement program does not meet the required 1.20x Global DSC, it may be converted to the No Doc Streamline program, which is applicable to investors and owner-occupied properties alike and is underwritten on property DSCR. That conversion carries its own terms.

At a glance
80
75
75
70
What are the No Doc Streamline requirements if my file converts?

As published: loan size $100K–$2.5MM; minimum FICO 700; max LTV 75% purchase and 70% for rate-term refinance and cash out; DSCR 1.00 based on rents utilized by the appraiser to derive the property value; minimum Optic Score 600; 75% occupancy, with 75% occupancy required over a 90-day trailing underwriting period; underwritten on property DSCR. Market rents will be used for qualification purposes in all cases, and economic occupancy is not permitted for No Doc Streamline or for transactions converted to it during underwriting.

If the building is one to four units, this is a different program and a harder no

Everything above concerns the Small Balance Commercial program, which starts at five residential units for multifamily. One-to-four-unit residential properties are financed under our separate 1-4 Unit Investor program, and that guideline is not ambiguous about occupancy at all.

Note that the 1-4 unit program extends the bar to immediate family, and that it names occupancy red flags underwriting watches for: a borrower currently living rent free or renting their primary residence, a subject property that could reasonably function as a second home, documents showing the subject property as the borrower's current primary residence, and a subject property whose value significantly exceeds the value of the borrower's primary residence. We reserve the right to decline any loan that may indicate the property is not intended exclusively for business purposes.

If your plan is to live in the duplex, neither program is built for it. That is a bank or credit union conversation about a residential mortgage.

Edge cases the guideline does not resolve

Being straight about the limits of the text is more useful than filling the gaps.

Immediate family in a unit, on the commercial program. The 1-4 unit guideline explicitly bars occupancy by the borrower's immediate family. The Small Balance Commercial guideline's residency bullet names the borrower/guarantor and does not extend to family. It is silent on the question. Do not read that silence as permission — underwriting can classify on facts, and there is a separate provision for that, below.

A superintendent or manager unit. The glossary defines Overhead Units as typically non-revenue-producing units within a multifamily project, such as management occupied, employee occupied, or model units, which are typically not counted in the overall property vacancy rate and are considered occupied. That is a vacancy and valuation definition. It is not an eligibility carve-out for the borrower living in the building, and it should not be used as one.

The appraiser can classify against you. The guideline provides that appraisers may classify a property as owner occupied based on use, control, and economic benefit — especially where ownership is shared among related parties, the property is operated by a family business, or no arm's-length lease exists. The Commercial Real Estate Summary must document the percentage of owner occupancy. You do not get to characterize the occupancy unilaterally.

Self-management distance. Living in the building obviously satisfies proximity, but the rule is written the other way around and is worth knowing: a self-managed Tier I Multi-Family or Tier I Mixed-Use requires the borrower or guarantor to live within 50 miles of the property, and a self-managed commercial property within 200 miles, in each case with the minimum investor experience. We may allow self-management regardless of property type or location where five-plus years of ownership experience with like-kind property in the same geography is verified.

Short-term rental of your unit is not a workaround. Units utilized for Airbnb purposes will be deemed vacant for both multifamily and mixed-use.

New York rent regulation. Rent Control and Rent Stabilized properties in New York are ineligible, and the lender reserves the right to review comparable statutes in other states. On a New York mixed-use building this frequently ends the analysis before the residency question is reached.

What to have ready before you ask

The address and the state. The exact unit count, split between residential and commercial units. The rent roll with monthly rent per unit, because the residential-versus-commercial income split determines whether a mixed-use property is Tier I or Tier II. Which unit you intend to occupy, and whether you or your business will occupy it. Whether you or an immediate family member occupies any other unit today.

For any file that does move forward: purchase and rate/term transactions require evidence of six or more months of liquid reserves, measured in months of the qualifying principal-and-interest payment for the subject property.

What this page does not do

This is not an approval, a quote, a rate sheet, or a commitment. Nothing here reserves terms, and every figure quoted is a published program parameter that a specific file can be underwritten tighter than — the guideline explicitly tightens other parameters when one approaches its threshold.

It does not answer whether a loan on a building you live in would be a consumer-purpose loan under federal or state law. That is a legal question for your attorney, and the answer varies by state and by facts. It does not address zoning, certificates of occupancy, legality of a residential unit, or local landlord-tenant or rent-regulation law — those go to your attorney and your municipality.

It does not cover the 50%-of-net-rentable-area utilization test that determines whether an owner-occupied file actually qualifies as Owner Occupied; that has its own page. It does not cover pricing, rate locks, prepayment structures, guarantor credit requirements, appraisal or environmental scope, title, or closing costs. And it does not publish the contents of the Loan Purpose Analysis Worksheet, which we will walk you through on a live file.

If your building is near one of the unit-count lines, send the address and the rent roll. That is a ten-minute answer, and it is a much cheaper one before you are under contract.

Guideline SBC 08/03/2026 · Reviewed August 31, 2026

Published August 31, 2026 · Updated August 31, 2026

How to use this guide

This article is educational guidance, not an offer or commitment to lend. Rules, property facts, credit, leverage, documentation, and full underwriting still control any actual scenario.

Ask before you go under contract