HELOC or Second Mortgage in Durango: Use Your Equity and Keep Your Low Rate

If you have a low rate on your first mortgage and want to use some of your home’s equity, a HELOC or a second mortgage lets you borrow against that equity without refinancing the loan you already have. Your first mortgage, and its rate, stay exactly as they are.

With today’s mortgage rates well above what many Durango homeowners locked in a few years ago, this is the question I hear most from people who want to remodel, add a bedroom, pay for college or pay down costlier debt. Here is how the two options work and how I help people choose.

What is a HELOC?

A home equity line of credit (HELOC) works like a credit line secured by your home. During the draw period you can borrow what you need, when you need it, up to your limit, and pay it back and borrow again. After the draw period ends, the repayment period begins: you can no longer draw, and the balance is paid off on a schedule. HELOCs usually have a variable rate, so the payment can change.

A HELOC fits best when the money goes out over time, like a remodel paid in stages or tuition paid each semester.

What is a second mortgage (home equity loan)?

A closed-end second mortgage, often called a home equity loan, gives you one lump sum at closing. You repay it over a set term, usually with a fixed rate, so the payment stays the same. It fits best when you know the full amount up front, like paying off a specific debt or a contractor’s fixed bid.

HELOC, second mortgage or cash-out refinance?

If your current rate is well below today’s rates, a cash-out refinance puts your whole balance at the higher rate. Keeping your first mortgage and adding a smaller second loan is often the lower-cost path. I’ll run both side by side for you so you can compare the total cost, not just the payment.

Blended rate calculator: second mortgage vs. cash-out refinance

What Southwest Colorado homeowners use their equity for

• Remodels and additions: kitchens, baths, a garage, an extra bedroom or a mother-in-law space.
• Mountain-home upkeep: a new roof, windows, a well or septic repair, or wildfire mitigation around the house.
• Paying down higher-cost debt: this can lower your monthly costs, but it turns unsecured debt into debt secured by your home, so it should be a deliberate choice.
• Education, a business or a big life change: a line of credit can sit unused until you need it.
• A down payment on a second home or rental: some buyers use equity in their primary home. We would look at the whole picture first. See my second home loans in Durango page.

Whether your home is in Durango, Bayfield, Pagosa Springs, Cortez or Ignacio, the process is the same.

What to know before you borrow

• Your home is the collateral. If you can’t repay, you could lose your home. Borrow for things that are worth that commitment.
• Variable-rate payments can rise. With a HELOC, plan for the payment at a higher rate, and for the jump when the draw period ends and repayment begins.
• Taxes: under current IRS rules, interest on a home equity loan or line is deductible only if the money is used to buy, build or substantially improve the home that secures it (IRS Publication 936). Ask your tax advisor how this applies to you.
• How much you can borrow depends on your home’s value, what you owe on it now, your income and your credit. I’ll give you a clear number after a short conversation.

Questions people ask me

Will a HELOC change my first mortgage?
No. Your first mortgage keeps its rate, payment and term. The HELOC or second mortgage is a separate loan.

Do I need an appraisal?
Your home’s value has to be confirmed. Depending on the loan, that may be a full appraisal or a simpler valuation. I’ll tell you which one up front.

Is a HELOC or a second mortgage better for a remodel?
If the work will be paid in stages, a HELOC means you only borrow, and pay interest on, what you’ve used. If you have a fixed bid, a second mortgage gives you a steady payment.

Can you compare these with a cash-out refinance?
Yes. I shop multiple lenders and will show you the options side by side, so you can see which costs less over the time you expect to keep the loan.

Talk it through with a local broker

I’m a Durango mortgage broker, and I return calls the same day. Call or text me at 970-828-1610, or send me a note. If you’re also weighing a full refinance, start with my guide to when refinancing makes sense. You can learn more about how I work on my Durango mortgage broker page.

Peter Pritchard

Sources: CFPB, “What is a HELOC?”; IRS Publication 936 (2025).