Home Refinance Options ARM to Fixed Refinance
Lock In Stability Adjustable to Fixed • Payment Certainty

ARM to Fixed Rate
Refinance in Michigan.

An adjustable-rate mortgage made sense when you took it. Rates were low, the spread was worth it, and the fixed period gave you time. Now that fixed period is ending -- or has already ended. Refinancing into a fixed rate locks your payment permanently and eliminates the uncertainty of annual adjustments for as long as you own the home.

Quick Answer

An ARM to fixed refinance converts an adjustable-rate mortgage into a fixed-rate loan -- locking your interest rate and monthly payment permanently. The right time to do this is before your fixed period ends, ideally 60 to 90 days before the first adjustment date. Once your ARM begins adjusting annually, your payment can increase each year up to the cap limits in your loan. Refinancing into a fixed rate eliminates that risk entirely.

Before
Best Time to Refinance
60-90
Days Before Adjustment
Fixed
Payment for Life of Loan
620+
Min Credit Score
20-30
Days to Close

How an ARM Works --
and Why the Clock Matters

An adjustable-rate mortgage has two phases. The first is a fixed period -- 3, 5, 7, or 10 years depending on the product -- during which your rate does not change. The second is the adjustment period, during which your rate resets annually based on a market index plus a margin set by the lender.

During the fixed period, an ARM typically offers a lower rate than a comparable fixed-rate mortgage -- that spread is the trade-off for accepting future rate uncertainty. If you planned to sell or refinance before the fixed period ended, you got the benefit without the risk. Many homebuyers used this strategy effectively during periods when rates were low.

The risk is staying longer than planned. Once the ARM enters its adjustment period, your rate and payment can change every 12 months. Your loan documents specify caps that limit how much the rate can move -- but even within those caps, a series of upward adjustments can meaningfully increase your monthly payment over time.

The best time to refinance out of an ARM is before the first adjustment happens -- while you are still benefiting from your original fixed rate and completing the new loan before any increase takes effect.

Signs It Is Time to Lock In a Fixed Rate

  • Your ARM fixed period ends within the next 6 to 12 months
  • You have already had one or more annual adjustments and your rate has increased
  • You plan to stay in the home past your adjustment date and want payment certainty
  • Your budget does not have flexibility to absorb a payment increase if rates rise further
  • You want to eliminate the administrative overhead of monitoring rate adjustment notices each year
  • Current fixed rates are at a level where locking in makes long-term financial sense

When Staying in the ARM Might Still Make Sense

Refinancing out of an ARM is not always the automatic right move. If you are very close to selling the home, paying closing costs to refinance may not pencil out. If your ARM rate has adjusted but is still below the fixed rate you could get today, staying in the ARM while you complete a sale in the near term may cost less.

The calculus changes when you are staying long-term or when rates are at a level where locking in eliminates meaningful future risk. We run both scenarios -- staying in the ARM versus refinancing to fixed -- so you can see the actual numbers side by side before making the call.

ARM to Fixed At a Glance

Best Time to Act60-90 days before adj.
Min Credit Score620+
ResultFixed rate for life
Closing Costs2-3% of loan
AppraisalUsually required
Close Time20-30 days
Rescission3 days (primary)

Common ARM Types --
What Your Loan Looks Like

The number before the slash is your fixed period in years. The number after is how often it adjusts after that.

3/1
Fixed 3 years, then adjusts annually
5/1
Fixed 5 years, then adjusts annually
7/1
Fixed 7 years, then adjusts annually
10/1
Fixed 10 years, then adjusts annually
5/6
Fixed 5 years, then adjusts every 6 months

Check your original loan documents or current mortgage statement to confirm your ARM type and first adjustment date. If you are not sure, call us -- we can pull up the program details quickly.

Understanding Your ARM Caps --
The Worst-Case Scenario

ARM caps limit how much your rate can increase. Knowing your cap structure tells you exactly how bad it can get.

Common Cap Structure: 2 / 2 / 5

Example: 5/1 ARM that started at 5.00%

First Cap
2%
Annual Cap
2%
Lifetime Cap
5%
Max increase at first adjustment date
Max increase each year after that
Max total increase over life of loan

On a 5/1 ARM that started at 5.00% with a 2/2/5 cap: worst case at first adjustment is 7.00%. Worst case in year two is 9.00%. Lifetime ceiling is 10.00%. That is a potential payment increase of hundreds of dollars per month depending on your loan balance.

The ARM Refinance Timeline

When to act relative to your adjustment date.

Now

More Than 12 Months Before Adjustment

You have plenty of time. Start monitoring rates and establish your break-even threshold. Know your adjustment date and set a calendar reminder for 90 days out. No urgency to move yet.

Soon

6 to 12 Months Before Adjustment

Good time to have the conversation. We calculate what a fixed rate looks like today versus what your ARM could become after adjustment. You are not in a rush but you have visibility into the decision.

Act

60 to 90 Days Before Adjustment

This is the ideal window to start the refinance process. You still have your original fixed rate while the new loan processes and closes. Most refinances take 20 to 30 days -- starting 60 to 90 days out gives comfortable margin.

Late

At or After First Adjustment

Not too late to refinance -- but your ARM has already adjusted and you may now be paying a higher rate while the refinance processes. We still run the numbers and move as quickly as possible. Better late than continuing to absorb annual increases.

How the ARM to Fixed Process Works

Same process as any refinance -- the urgency is in the timing.

1

Confirm Your Adjustment Date

Pull out your original loan documents or current mortgage statement and locate your first adjustment date and cap structure. If you are not sure, call us -- we help you find it. This date drives the entire timeline.

2

Run the Comparison

We calculate your current ARM rate, what it could adjust to at first adjustment under your cap structure, and what a fixed rate looks like today. You see both scenarios side by side and make an informed decision.

3

Application and Documentation

Standard income verification, credit pull, and current mortgage statement. We collect what is needed and move efficiently -- given the adjustment date timeline, speed matters here.

4

Appraisal

The home is appraised to confirm current value. Northern Michigan appraisals typically come back within 1 to 2 weeks. We order the appraisal immediately after application to keep the timeline on track.

5

Underwriting and Close

File goes to underwriting, conditions are resolved, and you close before your adjustment date. Your old ARM is paid off, your new fixed-rate loan is in place, and your payment is locked for the remaining life of the loan.

Frequently Asked Questions

Your first adjustment date is in your original loan documents -- specifically the adjustable rate rider attached to your note. If you do not have those documents, your current mortgage servicer can tell you your adjustment date and cap structure. Your monthly statement may also show your next adjustment date if you are already in the adjustment period. Give us your servicer's name and we can help you find the right place to look.
Most modern ARMs use the Secured Overnight Financing Rate (SOFR) as their index after the LIBOR transition. Older ARMs may use LIBOR-based indexes that have since been converted. Your loan documents specify the index and margin -- the margin is the fixed spread added to the index to calculate your adjusted rate. Understanding your index helps you evaluate where rates might go at your adjustment date.
It depends on your cap structure and how long you plan to stay. If current fixed rates are 6.5% and your ARM could adjust to 7.5% or higher at first adjustment under your caps, accepting 6.5% now may cost less over the next several years than riding the ARM. We model both paths -- staying in the ARM versus locking fixed -- across multiple rate scenarios so you can see the break-even across different timelines.
Yes -- ARM to fixed refinances are available on second homes and investment properties. Down payment and LTV requirements are different from primary residences -- second homes typically allow up to 90% LTV on a rate-and-term refinance, investment properties up to 75-80%. Rates are slightly higher on non-primary properties. We quote based on the specific property type.
It is not too late. If your ARM has already adjusted upward and you are now paying a higher rate, refinancing into a fixed loan stops the bleeding from further annual increases and gives you payment certainty going forward. The break-even calculation still applies -- we calculate how long it takes for the fixed payment to recover the closing costs, and if the math works, we move forward as quickly as possible.

ARM Adjustment Date
Coming Up?

Do not wait until the notice arrives. Tell us your ARM type and adjustment date and we will tell you exactly what the numbers look like -- and whether locking into fixed makes sense before that date hits.

Kirby and Angie Mortgage Loan Team | Union Home Mortgage | NMLS #2229229 | Angie Anderson NMLS #1999286 | Kirby Slocum NMLS #680817 | Licensed in Michigan, Ohio, and Indiana | Equal Housing Lender. All refinance transactions subject to credit approval, appraisal, underwriting review, and program eligibility. ARM adjustment dates, cap structures, and indexes vary by individual loan -- consult your original loan documents or mortgage servicer. Refinancing an existing mortgage may result in higher total finance charges over the life of the loan. Information provided is for educational purposes only and does not constitute a loan commitment.