The Quick Read: Not directly: you decide who signs the loan paperwork, but the lender’s program decides who must guarantee, and the lowest middle credit score among the guarantors usually sets the file’s credit tier, so a stronger partner rarely lifts a weaker one.
- Ownership share, not preference, usually decides who has to guarantee.
- If only one owner crosses a program’s ownership cutoff, that person can often be the sole guarantor.
- With several guarantors, most programs use the lowest of each person’s middle score.
- A co-buyer adds credit and liquidity, not qualifying income. The rent carries the file.
- Ask the lender which score method it uses before you add a partner.
How Much Choice Do You Really Have?
You have real choice in how the deal is structured, and almost none once the file is submitted. The lender’s guidelines name who must guarantee. You can shape the answer only by deciding, before you apply, who owns what and whether you buy in a personal name or through an entity.
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Start with the basics. DSCR loans are designed for non-owner-occupied investment properties. Because they are business-purpose investor loans, they are reviewed differently from a standard owner-occupied mortgage. The loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. DSCR is a property cash-flow test, not a personal-income test. For the full picture, see Lendmire’s complete DSCR loans guide.
So why does anyone guarantee? An LLC has no credit score of its own. The lender looks through the entity to the people behind it and pulls their credit. Those people sign a personal guarantee.
Across the programs a broker sees, the trigger is usually ownership. Anyone who holds at least the program’s minimum share of the borrowing entity has to guarantee. The cutoff varies by program. You cannot name a 50% owner as a non-guarantor.
Three paths follow from that:
1. One owner crosses the cutoff. That person can be the sole guarantor, and the lender uses that person’s credit.
2. Several owners cross it. Each one signs and gets scored.
3. Nobody crosses it. A lender may still ask for a guarantee from the managing member. This one is program-specific.
Here is a modeled example, not market data. Assume a program requires a guarantee from anyone holding more than 10% of the entity. A four-member LLC split 40/40/10/10 would need only the two 40% owners to sign. The same LLC split five ways at 20% each would need all five.
Whose Credit Decides the File?
The lowest middle score usually decides. Each guarantor gets a three-bureau credit pull. The lender takes each person’s middle score, then uses the lowest of those middles for the whole file. It is not an average, and the best score on the file does not win.
Some lenders instead use the primary guarantor’s score and note the others. That is a program-by-program difference, and it is the first question to ask before you add a partner.
Look at what that does in practice. Most programs we place files with want a score around 660. A 620 floor exists in parts of the network. Scores of 700 and up unlock the strongest leverage tiers. Purchase leverage commonly lands at 75% to 80% LTV on an investment property, and select high-leverage programs reach 85% LTV on a purchase with roughly a 700+ score. All of it is subject to lender guidelines.
Here is a hypothetical two-person file:
| Scenario | Score used | Likely result |
|---|---|---|
| Both sign, lowest middle method | 665 | Clears a typical floor, misses top tiers |
| Both sign, primary guarantor method | 760 | Strong tier, if A is primary |
| Only Partner A guarantees | 760 | Strong tier, if B is under the cutoff |
Partner A’s middle score is 760. Partner B’s is 665. Add B as a required guarantor under the first method and A’s strong credit stops mattering for the tier. Pricing, leverage, and reserves follow the weaker score.
Two scores usually means the lower one is used. One score stands alone. Frozen bureaus or missing scores depend on the program.
The Conventional Contrast
Conventional loans handle multiple borrowers differently, and the rules do not carry over. Fannie Mae’s Selling Guide uses the middle of three scores per borrower and the lowest representative score across borrowers in pricing. Agency rules do not govern DSCR files. Don’t assume your DSCR lender follows them.
Key Terms Defined
Guarantor: a person who promises to repay the loan personally if the borrowing entity does not.
Co-borrower: a person who is on the note and responsible for the debt from day one, usually when buying in a personal name.
Co-signer: someone who adds their credit to help a borrower qualify. A co-signer takes on full repayment responsibility, and signing the loan is separate from owning the home.
Title holder: the person or entity named as the legal owner of the property. Holding title and guaranteeing are separate things.
Middle score: the median of a person’s three bureau scores, used instead of the highest or lowest.
Joint and several liability: each guarantor can be pursued for the full balance, not a half share.
Which Co-Buyer Should Guarantee?
Pick the person who meets the ownership test, carries the strongest credit, and can live with the personal exposure. When two people are equal on ownership, credit strength usually decides. Liability tolerance should decide too.
| Situation | Likely structure | Ask the lender |
|---|---|---|
| Spouses buying together | Both guarantee, or one owns | Which score method applies? |
| Unmarried partners | Entity with clear shares | Is a sole guarantor allowed? |
| Business partners | LLC, guarantee by ownership share | Who crosses the cutoff? |
| One large, one small owner | Large owner guarantees | Is the small owner scored? |
| Parent helping, no ownership | Varies, often not accepted | Do you take non-owner guarantors? |
A pure co-signer with no ownership is unusual in DSCR lending. Whether it works depends on the program. Don’t plan around it until a lender confirms it in writing.
For personal-name purchases, there is no entity to look through. Every borrower is on the note and scored, and the lowest middle score sets the file. In that case the guarantor question becomes a co-borrower question. For the setup steps on a first rental, see Lendmire’s guide How to Set Up a Co-Buyer Guarantor for a First DSCR Rental Loan.
DSCR vs. conventional financing
There are two common ways to finance an investment property, and they qualify you differently — here’s how investors weigh them.
Why investors choose it
- Qualifies on the property’s rental income — no personal tax returns, W-2s, or pay stubs needed to document income.
- No personal debt-to-income ceiling to clear, so existing mortgages and obligations don’t cap your borrowing the same way.
- Can be closed in an LLC, keeping the property inside a business entity.
- Built for scaling — not held to the limit on number of financed properties that conventional financing applies.
- Underwriting centers on the deal: generally qualifies when the rent covers the payment, a 1.00x coverage ratio being a common baseline (confirmed in underwriting).
- Designed specifically for investment property, including long-term and, where the program allows, short-term rentals.
Where it’s strong
- Often the lowest ongoing financing cost for a buyer who fully qualifies on personal income — a fit for a first property or a cost-first purchase.
Trade-offs for investors
- Requires full personal income documentation and must fit within a debt-to-income limit — salary, existing debts, and other mortgages all count.
- Typically held in your personal name rather than a business entity.
- Caps how many financed properties you can carry, which can become a ceiling as a portfolio grows.
- Evaluates you as a borrower as much as the property, which usually means more paperwork.
How investors usually choose: a first or single property often optimizes for the lowest financing cost; portfolio builders often optimize for leverage, vesting in an LLC, and scaling past conventional caps. The right answer depends on your goals, the property, and current guidelines — both paths run through select lenders in Lendmire’s wholesale network, with eligibility and terms confirmed in underwriting.
Risks of Being the Guarantor
The guarantee is personal, and it sits outside the LLC. DSCR loans are generally full recourse, so the lender can pursue the guarantor’s own assets. An LLC protects you from some property-level claims. It does not remove the guarantee.
Joint and several liability is the sharp edge. If two people guarantee and one becomes insolvent, the other can owe the entire balance. Not half. All of it.
Other things to weigh:
- Credit reporting differs by lender. Many DSCR lenders do not report the ongoing loan to personal credit. Practice varies, so ask.
- Later borrowing. A personal guarantee can show up when you apply for another loan, and it can be counted in your debt-to-income ratio. It can be. Not always.
- Exit. Removing or swapping a guarantor after closing generally takes a refinance or lender consent.
- Life events. Death, divorce, and partner disputes all complicate a shared guarantee. Settle the plan in the operating agreement before closing.
Tax treatment varies; consult a qualified professional.
Can You Restructure So the Right Person Signs?
Sometimes, but handle it with care. Adjusting ownership percentages before you apply can change who crosses a program’s guarantee cutoff. Buying in an entity instead of a personal name changes co-borrowers into guarantors. Both are legitimate structuring choices.
Here is the honest limit. A split engineered only to dodge a guarantee requirement is lender-dependent. It is subject to disclosure and the lender’s review. Some lenders will not accept a small owner who is barred from guaranteeing in any form. Others will. Treat it as a question for the program, never a trick.
Think of it as a real tradeoff. A partner who holds a small stake gets less upside, less control, and less claim on the property. A partner who holds a big stake gets all of that plus the guarantee. Make the ownership split reflect the actual deal, then let the guarantee follow. Lendmire’s piece How Much Ownership Makes a Co-Buyer a DSCR Guarantor With a W-2 Job goes deeper on thresholds.
A stronger down payment helps the rent coverage, but it never erases a credit floor, a leverage cap, or reserve rules. Reserves commonly run about 6 months of PITIA (principal, interest, taxes, insurance, and any HOA dues). Loans above $1,500,000 typically step up to about 9 months. The best files clear both tests: enough equity and enough rental coverage. And clearing the coverage test is not the same as positive cash flow. Repairs, vacancy, management, and utilities sit outside the calculation.
Questions to Settle Before You Apply
1. Is the loan going into an LLC or personal names?
2. What ownership share triggers a guarantee?
3. Which method sets the score: lowest middle or primary guarantor?
4. Can one owner guarantee alone?
5. Is a small owner credit-checked but not scored?
6. What are the reserve and leverage tiers at each score?
Frequently Asked Questions
Can one co-buyer guarantee alone?
Often yes, if that person is the only owner who crosses the program’s ownership cutoff. The lender then uses that person’s credit. The other owners stay on the operating agreement. It depends on the program, so confirm it before you set ownership shares.
Can I leave my lower-score partner off the guarantee?
Only if they fall under the program’s ownership trigger and the lender accepts the structure. A partner above the cutoff has to sign, and their score can pull the file down. Keep in mind the tradeoff: a smaller ownership stake means a smaller share of the upside.
Does the LLC itself need credit?
No. An LLC has no personal credit score. Underwriting looks through to the guarantors. Eligibility of LLC-titled borrowers is subject to program terms and lender guidelines.
Does a guarantor’s income help the file?
Not as qualifying income. A co-buyer adds credit profile and liquidity, which can support reserves and tier placement.
Can a guarantor be removed after closing?
Generally not by request alone. Removal or substitution usually takes a refinance or the lender’s consent. Plan for that before anyone signs.
Next Step
If you are buying or refinancing a rental property and want to see how the numbers work, Lendmire can help you compare DSCR loan options based on the property income, credit profile, leverage, and investor goals. As a broker, Lendmire arranges DSCR investor loans through select lenders in its wholesale network, across 41 markets, including Washington, D.C. Program details change and every file is underwritten individually. Nothing here is a commitment to lend.
About Lendmire
As a non-QM mortgage broker (NMLS# 2371349), Lendmire facilitates DSCR investor loans across 41 markets, including Washington, D.C. DSCR eligibility is generally reviewed around property-level rental income instead of personal income documentation, subject to lender guidelines. This approach can suit LLC-structured portfolios and self-employed borrowers who don’t fit conventional boxes. Lendmire is a two-time Scotsman Guide Top Mortgage Workplace (2025, 2026).
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References
1. Fannie Mae Selling Guide B3-5.1-02: Determining the Credit Score for a Mortgage Loan
This article is part of Lendmire’s DSCR loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: How Minimum Loan Sizes Work on a DSCR Loan Under 75K · How to Apply for a DSCR Loan Without Adding to Your DTI · How Reserves Work on a DSCR Loan When Cash Is Thin
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
- Mortgage Loan Originator · NMLS# 1129696 · Verify on NMLS Consumer Access
- North Carolina Real Estate Broker · License# 343312 · Verify on NCREC
- North Carolina Insurance Producer · License# 19053198 · Property, Casualty, Life, Health · Verify on NAIC SBS
- Lendmire LLC · Firm NMLS# 2371349 · Verify firm licensure
Legal disclosures. Lendmire (NMLS# 2371349) is a state-licensed mortgage brokerage that arranges financing through wholesale lender relationships. Lendmire is not a direct lender, depository institution, or registered financial advisor. The discussion above is general informational content about real estate financing — it is not financial, legal, or tax advice, and readers should consult licensed professionals for guidance on their individual circumstances. Loan inquiries are subject to lender underwriting; this article does not represent a commitment to lend. Loan terms, rates, and qualification standards vary by borrower, property, and state, and are subject to change at any time. Equal Housing Opportunity. NMLS Consumer Access: nmlsconsumeraccess.org.