A home equity line of credit, or HELOC, lets you borrow against your house up to a limit, pay it back, and borrow again. That limit isn't guaranteed. The federal rules for home equity lines let a lender freeze your line of credit or lower the limit if your home's value drops a lot or your finances take a turn for the worse. Plenty of banks did exactly that to homeowners around 2008. Who can close your line of credit? covers why it happens.
What a lender can't do is make you pay back the money you've already drawn all at once just because home prices fell. The payment terms on money you've borrowed are set in your agreement. So money you've already drawn stays in your hands under the same terms, even after a freeze.
The worst timing for a freeze is right after your paycheck lands on the line of credit. Say you owe $30,000 on a $50,000 line of credit, and your $5,000 paycheck drops the balance to $25,000. If the bank freezes the line of credit that afternoon, you can't draw back the $5,000 you need for this month's bills. Your paycheck went in, and now it can't come back out.
So when the warning signs show up, I'd draw the money out before the bank decides for you. The signs I watch are home prices falling in your area, the stock market dropping hard, and banks tightening their lending or running short on cash. If I saw two or three of those at once, I'd pull the available balance off the line of credit and park it in a savings account. Then I'd pay the interest for a month, six months, or a year while things shake out. If nothing happens, I'd put it back.
That move has a real cost. Say you draw $30,000 at 8% and park it in savings paying 4%. The line of credit charges about $200 a month in interest, and the savings account pays back about $100, so you're out roughly $100 a month to keep that $30,000 in your own hands. Six months of that costs about $600. If the bank freezes your line of credit in the same year you lose your job, that $600 bought you $30,000 at a time when nobody would lend it to you.
The downside is behavior. Thirty thousand dollars sitting in savings is easy to spend, and a draw you spend is just more debt. Keep it in its own account, give it a name, and leave it alone unless the emergency is real. And don't do this every time the news gets loud. It also means pausing your paycheck parking, which means letting each paycheck sit on the line of credit to cut interest until the bills are due, because the whole point is to keep the cash in your own hands. So it only makes sense when the risk of losing access is real. Does paycheck parking replace your emergency fund? explains why room on a line of credit and cash in the bank aren't the same thing.
The same logic says to open a line of credit while your house appraises well and your income is steady. An unused line of credit usually costs little or nothing to keep open, and the equity is still sitting in the house if you never touch it. Apply after a layoff, and you likely won't qualify. A viewer emailed me this exact worry when home prices looked shaky, and my reply turned into a video on getting a HELOC before a possible housing slide.
Before the next downturn, pull out your own line of credit agreement and find the section on reducing or suspending your credit limit. Knowing exactly what your lender is allowed to do tells you how fast you'd need to move.