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HECM Line of Credit
How the reverse mortgage line of credit works — draw funds when you need them, and watch your unused credit grow over time as a retirement safety net.
Written by Mike Elachkar, President, Ennkar
Among the disbursement options available with a HECM reverse mortgage, the line of credit is one of the most popular — and for good reason. It lets you access funds on your own schedule while keeping unused credit available for the future. Even more uniquely, the portion you have not drawn can grow over time, potentially giving you access to more money later without reapplying for a new loan.
This guide explains how the HECM line of credit works, what drives the growth feature, and how homeowners use it as part of a retirement plan.
What Is a HECM Line of Credit?
When you close a HECM, you choose how to receive your proceeds. If you select the line of credit option, the lender establishes a credit limit based on your Principal Limit — the maximum amount you can borrow under the program.
You can draw funds from the line at any time, in amounts you choose, as long as funds remain available. There are no required monthly mortgage payments on the reverse mortgage itself. Interest accrues only on the balance you have actually drawn, not on the full credit limit.
Think of it as a standby reserve secured by your home — one you can tap for unexpected medical bills, home repairs, or supplementing income during a market downturn, without the pressure of monthly debt payments.
How the Growth Feature Works
The growth feature is what sets a HECM line of credit apart from a traditional HELOC. Here is how it works in plain terms:
- At closing, your Principal Limit is calculated based on your age, home value, and interest rates
- You choose how much to allocate to the line of credit (you can also combine it with other disbursement options)
- The unused portion of your line grows over time at a rate equal to the loan interest rate plus ongoing FHA MIP
- Growth continues as long as the loan is in good standing and you meet all obligations
- You are not charged interest on funds you have not drawn — growth increases your available credit, not your balance
For example, if you open a HECM line of credit and leave most of it undrawn, your available credit in year five may be meaningfully higher than at closing — even if your home value has not changed. This makes the line of credit a strategic tool for homeowners who want a growing safety net rather than immediate cash.
Principal Limit vs. Available Credit
Your Principal Limit is the ceiling on how much you can borrow over the life of the loan. It is set at closing and does not change based on home value fluctuations afterward (though draws and growth affect how much remains available).
If you also have an existing mortgage, that balance must be paid off at closing — typically from your Principal Limit — which reduces the amount available for your line of credit. Closing costs and the upfront FHA mortgage insurance premium can also be financed from the Principal Limit, further reducing net available funds.
A licensed loan officer can show you a breakdown of your estimated Principal Limit and net available credit based on your specific situation. Get a free estimate to see starting numbers.
Strategic Uses in Retirement
Financial planners and homeowners often use the HECM line of credit as a standby resource rather than a spending account. Common strategies include:
- Emergency reserve — medical expenses, major home repairs, or family needs without selling investments in a down market
- Long-term care planning — funds available if health needs change and in-home care becomes necessary
- Sequence-of-returns protection — draw from the line during market downturns instead of selling stocks at a loss
- Supplemental income bridge — draw periodically to cover gaps before Social Security or pension income begins
- Property charge buffer — a reserve to help cover taxes and insurance if unexpected expenses arise
Every situation is different. A HUD-approved counselor and a financial advisor can help you evaluate whether a growing line of credit fits your broader retirement plan.
Obligations to Keep the Line Active
A HECM line of credit is not “set and forget.” To keep the loan — and the growth feature — in good standing, you must:
- Live in the home as your primary residence
- Pay property taxes on time
- Maintain homeowner's insurance (and flood insurance if required)
- Keep the home in reasonable condition
- Comply with any HOA requirements
Failure to meet these obligations can result in the loan becoming due and payable, which would end access to the line of credit. During periods of financial stress, HUD may offer options to help borrowers cure defaults — your counselor and servicer can explain what applies to your situation.
Adjustable vs. Fixed Rate
The line of credit disbursement option is available on adjustable-rate HECM loans. Fixed-rate HECMs restrict disbursement to a lump sum with first-year draw limits, which makes them less suitable for homeowners who want a flexible, growing credit line.
Adjustable rates mean your interest rate — and therefore the growth rate on your unused line — can change over time based on an index plus a margin. Your loan officer will explain the specific index, caps, and how rate changes affect both your balance and your growth feature.
For full program details, visit our HECM program page.
Frequently Asked Questions
How does the HECM line of credit growth feature work?
Do I pay interest on money I have not drawn yet?
Can I switch from a line of credit to monthly payments later?
What happens to my line of credit if home values drop?
Is the HECM line of credit available on fixed-rate loans?
These answers are for educational purposes only and do not constitute financial, legal, or tax advice. This is not a commitment to lend. Ennkar, Inc. NMLS #976231. Licensed mortgage company in 16 states. Not all products available in all states. View licensing information · NMLS Consumer Access.
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Get a free, no-obligation HECM estimate. A licensed Ennkar loan officer can walk through disbursement options — including the growing line of credit.
This is not a commitment to lend. Ennkar, Inc. NMLS #976231. Licensed mortgage company in 16 states. Not all products available in all states. View licensing information · NMLS Consumer Access.