A fixed-rate HECM locks the note rate and is usually closed-end: you take a lump sum (within first-year rules) and you do not keep a growing unused line. An adjustable-rate HECM uses an index plus a lender margin, with caps in the note, and can pay a line of credit, tenure, term, or a mix under 24 CFR 206.19. Jay Zayer, a Certified Reverse Mortgage Professional (CRMP) licensed in California and Arizona, matches the rate structure to whether you need cash now or unused capacity later.
Both types still charge 2.00% initial MIP of maximum claim amount (Mortgagee Letter 2017-12). Both still require occupancy (24 CFR 206.39) and counseling (24 CFR 206.41).
What payment plans does a fixed-rate HECM actually allow?
In current origination practice, a fixed-rate HECM is a closed-end loan. HUD’s payment-plan menu in 24 CFR 206.19 is fully available on adjustable HECMs. The fixed product you are offered will typically not include a growing unused line. If you need monthly tenure checks or a standby line, you are shopping an ARM.
First-year disbursement limits in 24 CFR 206.25 and Mortgagee Letter 2014-21 still cap how much can go out in year one on either structure. A fixed lump sum is not a way around that cap.
Consider a homeowner who is 63 in San Luis Obispo paying off a first mortgage at closing and who will not need later draws. A fixed-rate closed-end HECM can match that single payoff. The same person who wants a reserve for in-home care at 80 needs the ARM line.
Why does unused credit grow only on an adjustable HECM?
Growth is a function of leftover line capacity accruing at the note rate plus 0.50% annual MIP. A closed-end fixed loan has no leftover unused line in that sense. See how the line grows.
The ARM coupon can move. Periodic and lifetime caps in the note are the consumer protection. Do not confuse that coupon with expected rate. Expected rate, used to pick the HUD factor, currently sits in the mid-to-upper 6% range. For an ARM it is 10-year CMT plus margin, rounded to the nearest one-eighth (24 CFR 206.3). For a fixed HECM, expected rate equals the note rate, which can change the principal-limit lookup compared with an ARM quote on the same day.
Price both structures on the same age and value. Do not pick a rate type from a slogan.
Which rate structure fits a lump-sum payoff versus a reserve?
Payoff of a first mortgage, a single debt clean-up, or a closed-end draw you will not replenish is the fixed conversation. A reserve, a tenure paycheck, or a plan you might change later is the ARM conversation. Switching plans later, when HUD servicing allows it, is an ARM-world request.
Proprietary fixed and adjustable programs, including HomeSafe and other major private menus, use lender rules. They are not 24 CFR 206.21 by default. Ask whether unused funds grow. Ask whether a margin credit for “no cost” is buying a worse ARM.
24 CFR 206.21 addresses HECM interest-rate structure. The note, not a brochure, controls caps, index, and whether the rate is monthly or annually adjustable. Proprietary ARMs can use different indexes. Ask for the index name in writing.
Origination cost is still capped on a HECM by 24 CFR 206.31 whether you pick fixed or adjustable. A “no-cost” ARM credit that raises margin can cost more than paying origination on a lower-margin ARM. See no-cost reverse mortgages.
Expected rate, not the first month’s coupon, is what set your original principal limit. If you refinance later under 24 CFR 206.53, a new expected rate and a new factor apply. An ARM you have held for years does not keep the old factor forever when you originate a new HECM.
California Civil Code section 1923.2 applies to origination of either rate type. Arizona HECM files skip the seven-day statute and still need 24 CFR 206.41 counseling. Rate type is not a way around counseling, MIP, or occupancy.
If the household is using the HECM as a bridge to Social Security at 70, an ARM line that stays mostly unused can be the reserve. If the household is eliminating a first-mortgage payment in one closing, closed-end fixed can be the simpler machine. Neither choice is a HUD endorsement of your plan.
Index names matter. Many HECM ARMs use a CMT index defined in the note. A proprietary ARM might use a different index. Two loans called “adjustable” can accrue differently. Read the margin, the cap, and the change frequency.
A fixed HECM that funds a large lump sum in year one still has to fit 24 CFR 206.25. Calling it fixed does not raise the first-year disbursement cap. Mandatory obligations plus the limited extra amount still set the ceiling.
If you already have an adjustable HECM and you want a fixed rate, that is a refinance conversation under 24 CFR 206.53 or a proprietary refinance, not a servicing request that rewrites the old note.
Who should not pick a rate type from a slogan?
A fixed HECM does not help a household that wants unused credit to grow, tenure payments, or a plan they might change. Those features live on an adjustable HECM under 24 CFR 206.19. An adjustable HECM does not help a household that wants a closed-end lump, will not draw again, and does not want index movement. That is the fixed conversation.
What can go wrong: someone picks fixed because “rates might rise,” then needs a reserve two years later and discovers unused growth was never on the note. Or someone picks an ARM for a one-time payoff and then watches the coupon move on a balance they never intended to keep as a line.
24 CFR 206.21 is the HECM interest-rate rule. The note names the index, margin, periodic cap, and lifetime cap. This page does not quote a live coupon or APR. Use the calculator for principal-limit shape, then read the note for accrual shape. California Civil Code section 1923.2 still applies to origination of either type. Rate type is not a counseling waiver.