Switch from conventional mortgage to line of credit?

Question

Hi BP friends,

I'm looking for some ideas and guidance around something I am currently exploring around financing. I'd love any input from this group who may have ideas I haven't thought of yet.

I have an STR in New Orleans with a 7% 3/1 ARM on it. My wealth manager has an offer where I can get a line of credit through his lending team for about 5.75%, with no closing costs, appraisal, etc. His rate is variable daily, but it tracks the treasury at a lower rate than typical banks, so it should remain below what rates are.

Pros:

- Lower APR

- Can pay down the loan on my own terms without required monthly payments

- Less oversight and regulation than a bank

- Penalty free

Cons:

- If I move my mortgage to the line of credit, I'll likely be unable to get a future mortgage on the property if I want, as it is currently unwarrantable

- General unfamiliarity with this type of financing for a long term hold and any risks to consider

Appreciate any input from this group :)

Vijay Friedman · Answer

@Melissa TitleThat's an interesting option, and I think you're asking the right questions. I'd compare more than just the interest rate—things like how the variable rate could behave over time, what your long-term exit strategy is, and whether giving up future refinance flexibility is worth the savings today. Looking at the total cost and flexibility over several years may give you a clearer answer.

James Driscoll · Answer

Glad it was helpful, Melissa. The Wells Fargo detail actually changes the picture quite a bit, and in an important way.

A Priority Credit Line is Wells Fargo's securities-based line of credit. It is not secured by the property at all. It is collateralized by your investment portfolio, which is why there is no appraisal and no closing costs. You would be paying off the mortgage and carrying the debt against your brokerage account instead. That has a few big implications.

First, some good news that flips one of your cons. If you retire the mortgage with a line secured by your portfolio, the property ends up free and clear. Warrantability stops mattering for the debt you carry today, and your future options actually improve, because a DSCR cash-out refi or equity line on a free-and-clear property down the road is a clean transaction whether the condo is warrantable or not.

Second, the risk you are trading into is market risk, not real estate risk. SBLOCs are demand loans with collateral maintenance requirements. If your portfolio value drops enough, Wells Fargo can require you to deposit additional funds on short notice, and if you don't, they can sell your securities, generally without asking which ones, with any tax consequences landing on you. They can also reduce, freeze, or call the line at any time. Over a 15-year hold you should assume you will live through at least one serious market drawdown, and that is exactly when a collateral call would hit. The standard way to manage this is to borrow well below your maximum advance rate so that a 30 to 40 percent decline doesn't trigger anything, and to know your exact maintenance level before you sign.

Third, on the rate. These lines typically float off an index plus a spread with no cap. 5.75% today is attractive against your 7% ARM, but the ARM at least has caps and a defined reset schedule. The line has neither. It is also interest-only with no required principal, which is flexible, but 15 years is a long time for a balance to sit with nothing forcing it down. If you go this route, I would build a payoff schedule you actually hold yourself to.

Two more questions for your list: ask whether your wealth manager or the firm earns compensation on the line, since that is worth knowing when weighing the advice, and have your CPA confirm the interest remains deductible against the rental under the interest tracing rules, since this would be a personal non-purpose loan rather than a mortgage on the property.

Bottom line, I don't hate it as a tool. I would just treat it as flexible financing you keep conservatively collateralized and actively pay down, not as a passive 15-year mortgage substitute. And since the property would be free and clear, you keep a clean exit into a DSCR refi later if you ever want to move the debt back onto the property itself.

James Driscoll · Answer

The rate differential is real and 125 bps matters, but there are a few things worth thinking through before you make this move.

First, the structure of a "line of credit" secured by real property that replaces a first mortgage is worth scrutinizing closely. What you're describing sounds like it may be a private first-lien LOC, which is a different animal than a HELOC sitting behind a mortgage. Ask specifically: who holds the note, is it recorded as a first lien, what are the acceleration clauses, and what happens if the lender calls the line or shuts it down (some LOCs are demand instruments, meaning the lender can require full repayment with limited notice). The "less oversight and regulation" framing your wealth manager is using is worth reading carefully. Less regulation can mean more flexibility for you, but it also means fewer consumer protections.

Second, the variable rate risk. You're moving from a variable ARM (which at least resets on a defined schedule with caps) to something that tracks the treasury daily. If rates spike, you may not have the same structural ceiling a standard ARM gives you. What are the rate caps, if any? A 5.75% rate that can move daily without a cap is a different risk profile than your 7% ARM.

Third, you already flagged the warrantability issue, and that's probably the most important long-term consideration. If the property is non-warrantable now and you retire the conventional mortgage, your future financing options narrow significantly. That doesn't mean you're stuck forever, there are DSCR loans and non-QM products that can work on non-warrantable investment properties and don't rely on personal income. I do DSCR equity lines and DSCR purchase/refi loans that qualify on the rental income of the property, which could be an option down the road if you want to tap equity or refinance without going the conventional route. Worth knowing that exists before you decide the LOC is your only alternative.

The 5.75% offer isn't crazy, but I'd want a lawyer to review the note and any demand provisions before pulling the trigger on something that removes a traditional first mortgage from an illiquid asset.

James Driscoll

Ashish Acharya · Answer

Melissa, the lower rate and no closing costs are appealing, but I would want to understand exactly what this line of credit is before replacing the mortgage.

The biggest issue is not only that the rate is variable. I would ask whether the lender can reduce or call the line, whether there is a maturity date, whether unpaid interest is added to the balance, and what collateral supports it. “No required monthly payment” sounds flexible, but it could also mean the debt keeps growing unless you choose to pay it down.

I would also compare both options under a less favorable rate scenario. A 5.75% line looks better than a 7% ARM today, but a daily variable rate can move quickly. Ask what your rate and interest cost would be if the benchmark rose by 1%, 2%, or 3%. Since the STR is currently unwarrantable, giving up the existing mortgage may be difficult to reverse later.

From the tax side, the interest treatment generally follows the use of the borrowed money. If the new line is used directly to pay off debt connected to acquiring or improving the STR, the related interest may generally remain allocable to the rental activity. Keep the payoff documents and a clear trail of the funds. Rental interest may be deductible, although passive activity and other interest limitation rules can affect when the deduction provides a benefit.

I would not decide based only on today’s rate. I’d compare the tax treatment, flexibility, worst-case interest cost, lender call provisions, and the value of keeping financing that may be hard to replace.

Happy to connect!

Melissa Title · Answer

Thank you so much @James Driscoll. Extremely helpful and insightful and you've made some excellent callouts which I will look more into.

Moving to this option would be a "Priority Credit Line," held with Wells Fargo specifically and with our wealth manager as the broker and intermediary.

I've asked for clarification around the note and lien holder, as well as any rate cap.

Do you see any issue if this would be a personal line of credit financing the property for the next 15 years?

Mike Grudzien · Answer

This is interesting.  I want to see the ansers, too.

Switch from conventional mortgage to line of credit?

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