HELOC Glossary

A mortgage whose interest rate changes periodically based on a benchmark index, such as the prime rate or SOFR. HELOCs are structured similarly — variable rate plus a fixed margin — so HELOC borrowers experience the same rate-change dynamic as ARM holders.

The process of paying off a loan through scheduled, regular payments that cover both principal and interest. During the HELOC draw period, most lenders only require interest-only payments (no amortization). During the repayment period, the balance fully amortizes — meaning each payment reduces both the principal and interest until the balance reaches zero.

A yearly charge by the lender to keep the HELOC credit line open, typically $50–$100 per year. Charged even if you never draw from the line. Over a 30-year HELOC, a $75/year annual fee costs $2,250 in total. Many lenders waive it — always ask before signing.

The true annual cost of borrowing, expressed as a percentage, that includes the interest rate plus all fees amortized over the loan term. A HELOC with an 8.5% rate and $2,000 in closing costs has a higher APR than the stated rate. Use APR to compare lenders accurately — not just the advertised interest rate.

A licensed appraiser's formal estimate of a property's current market value, used by lenders to verify collateral before approving a HELOC. Full appraisals cost $400–$700 and take 1–2 weeks. Many lenders now use a free Automated Valuation Model (AVM) for lower-LTV borrowers.

A computer-generated home value estimate based on recent comparable sales, tax records, and property data — used by lenders instead of a full appraisal. Instant and free for the borrower. Available for most properties where the CLTV is below 80–85%. Ask your lender if an AVM qualifies for your HELOC.

The total debt-to-income ratio including all monthly debt obligations — mortgage, car loans, student loans, minimum credit card payments, and the proposed HELOC payment — divided by gross monthly income. Most HELOC lenders use back-end DTI for approval decisions and cap it at 43%.

A large lump-sum payment due at the end of a loan term. Some HELOCs require a balloon payment if the outstanding balance is not fully repaid by end of the repayment period. Always check your HELOC agreement for balloon payment provisions before signing.

One basis point equals 0.01% (one hundredth of one percent). Used by lenders and the Federal Reserve to describe small rate changes. "A 25 basis point increase" = a 0.25% rate rise. A HELOC margin of 150 basis points = 1.50% above prime.

A contractual limit on how much a HELOC interest rate can increase — either per period (periodic cap) or over the life of the loan (lifetime cap). A HELOC with an 18% lifetime cap means your rate can never exceed 18%, regardless of how high the prime rate rises. Always ask your lender for the rate cap before signing.

A mortgage refinance where you replace your existing mortgage with a larger one and receive the difference in cash. Unlike a HELOC, a cash-out refi replaces your entire first mortgage, so borrowers with below-market existing rates typically prefer a HELOC to avoid losing that rate. Closing costs are also significantly higher (2–5% of the new loan).

All fees paid at or before loan closing to establish a HELOC. Typically includes origination fee, appraisal, title search, recording fee, and notary costs. Range from $0 (zero-cost HELOC) to $5,000 for traditional bank closings. Negotiate — origination and appraisal fees are the most flexible.

The ratio of all loans secured by a property (first mortgage + HELOC + any other liens) to the property's appraised value. Formula: CLTV = (All Loan Balances ÷ Home Value) × 100. Most HELOC lenders cap CLTV at 85%. Example: $300K mortgage + $75K HELOC on a $500K home = 75% CLTV.

The maximum amount you are approved to borrow under a HELOC, also called the credit limit. You can draw any amount up to this limit at any time during the draw period. You only pay interest on what you actually draw — the undrawn portion of the credit line costs nothing (except any annual fee).

A numerical representation of creditworthiness, typically on the FICO scale from 300–850. Most HELOC lenders require a minimum score of 620–640, though 720+ is recommended for the best rates. Your score affects both approval odds and the margin the lender sets on your HELOC — a 780 score can mean a rate 1–2% lower than a 650 score.

The percentage of your gross monthly income consumed by monthly debt payments. Formula: DTI = (Total Monthly Debt ÷ Gross Monthly Income) × 100. Most HELOC lenders require back-end DTI below 43%. Includes: mortgage, car, student loans, minimum credit card payments, and the proposed HELOC payment.

Failure to meet the terms of a HELOC agreement — typically by missing payments. A HELOC default can result in: credit score damage, the lender accelerating the full balance as immediately due, and ultimately foreclosure on your home. Because your home is collateral, HELOC default is significantly more serious than credit card default.

The phase of a HELOC — typically 10 years — during which you can borrow against your credit line. You may draw, repay, and draw again repeatedly like a credit card. Most lenders require only interest-only minimum payments during this period. The credit line closes at the end of the draw period, and outstanding balances move into the repayment period.

A provision in a loan agreement requiring the borrower to repay the outstanding balance in full if the property is sold or transferred. Most HELOCs include a due-on-sale clause, meaning selling your home triggers immediate repayment of the HELOC balance from the sale proceeds.

A penalty charged if you close your HELOC account within a specified period — usually 2–3 years of opening. Typically $300–$500. Designed to recoup the lender's setup costs. Not all lenders charge it — ask before signing, and negotiate it away if you think you might sell or refinance within the penalty window.

The portion of your home's value that you own outright, calculated as home value minus all outstanding loan balances. Example: $500,000 home − $300,000 mortgage = $200,000 equity. Equity grows through mortgage paydown and home appreciation. It is the foundation of HELOC eligibility — most lenders require you to retain 15–20% equity after the HELOC.

A neutral third-party account used to hold funds during real estate transactions. In the HELOC context, escrow may hold closing funds until all conditions are met. It also refers to a mortgage servicer's account that collects monthly payments for property taxes and homeowner's insurance — required by many first mortgage lenders.

An interest rate that remains constant for the life of the loan, regardless of market changes. Most HELOCs are variable rate. However, some lenders allow you to convert all or part of your HELOC balance to a fixed rate — called a "rate lock." Home equity loans (not HELOCs) are typically fixed rate.

A temporary agreement between a borrower and lender to pause or reduce payments during financial hardship, without triggering default. HELOC forbearance can be requested if you're facing job loss, medical crisis, or other hardship. Contact your lender before missing a payment — forbearance is far better than default.

The legal process by which a lender seizes and sells a property when a borrower defaults on a secured loan. Because a HELOC is secured by your home, defaulting on a HELOC can ultimately lead to foreclosure — even if your first mortgage is current. Your home is at risk with any secured home equity product.

A debt-to-income calculation that includes only housing costs (mortgage principal, interest, taxes, insurance, and HOA fees) divided by gross monthly income. Also called the "housing ratio." Conventional mortgage guidelines use a front-end limit of 28%. HELOC lenders primarily focus on back-end DTI.

The number of days after a payment due date during which a payment can be made without penalty or being reported as late. Most HELOC servicers offer a 10–15 day grace period. After the grace period, late fees typically apply and continued non-payment may trigger credit reporting.

Your total income before taxes and deductions. Lenders use gross income (not take-home pay) to calculate DTI ratios. Eligible income sources include: wages, salary, self-employment income, rental income (typically 75% of gross), Social Security, pension, alimony, and investment distributions — if documentable.

The market value of your property minus all outstanding loan balances (mortgage, HELOC, and any other liens). Formula: Home Equity = Home Value − Total Debt. Example: $450,000 home − $270,000 mortgage = $180,000 equity (40% ownership). Home equity is the primary collateral securing a HELOC.

A revolving credit line secured by your home equity, allowing you to borrow, repay, and borrow again during the draw period (typically 10 years). Interest-only payments are common during draw. Full principal + interest payments begin in the repayment period (typically 20 years). Rate is variable, tied to prime rate plus a lender margin.

A lump-sum loan secured by home equity, disbursed at closing with a fixed interest rate and fixed monthly payments. Unlike a HELOC, a home equity loan is not revolving — you receive the full amount once and repay it on a fixed schedule. Also called a "second mortgage" or "closed-end second."

The benchmark interest rate to which a HELOC margin is added to determine your actual interest rate. The most common HELOC index is the U.S. Prime Rate (currently ~7.50% in mid-2026). When the Federal Reserve changes the federal funds rate, the prime rate adjusts, and your HELOC rate adjusts accordingly.

A payment that covers only the interest accrued on the outstanding balance, with no principal reduction. Most HELOCs require only interest-only minimum payments during the draw period. Formula: Daily interest = (Balance × Annual Rate) ÷ 365. On $80,000 at 8.5%: ~$567/month interest-only. Making additional principal payments during the draw period reduces future payment shock.

The annual percentage charged by a lender for borrowing money, expressed as a percentage of the outstanding balance. For HELOCs, this is a variable rate calculated as: Index Rate (prime) + Margin. Distinct from APR, which includes fees. HELOC interest accrues daily on the drawn balance only — not the full credit line.

A legal claim against a property that gives a creditor the right to the property if the debt is not repaid. A HELOC creates a lien on your home — typically a second lien (behind your first mortgage). Liens must be paid off before a home can be sold or refinanced with a clean title. A HELOC lender is a lienholder.

The ratio of a single loan balance to the property's appraised value, expressed as a percentage. Formula: LTV = (Loan Balance ÷ Home Value) × 100. Example: $300K mortgage on a $500K home = 60% LTV. For HELOCs, lenders use Combined LTV (CLTV) which includes all loans. Lower LTV = more equity = better rates.

A period during which a borrower can convert a variable-rate HELOC balance into a fixed-rate sub-account. Some lenders allow partial locks — for example, locking $50,000 of a $100,000 HELOC balance at a fixed rate while leaving the remainder variable. Useful for large draws you want rate certainty on.

The fixed percentage added to the index rate to determine your HELOC interest rate. Set at closing and does not change for the life of the HELOC. Example: Prime rate (7.50%) + Margin (1.00%) = 8.50% HELOC rate. When prime rises to 8.00%, your rate becomes 9.00% — the 1.00% margin is constant. Lower credit score or higher LTV = higher margin.

The largest single withdrawal allowed from a HELOC in one transaction — if the lender imposes such a limit. Some lenders cap individual draws at a percentage of the credit limit. More commonly, the limit is simply the full credit line amount. Check your HELOC agreement for any draw restrictions.

The smallest amount you can withdraw from a HELOC in a single transaction, typically $500–$10,000 depending on the lender. Designed to reduce administrative costs for very small draws. If you need smaller amounts frequently, a HELOC with a low or no minimum draw is preferable.

The lowest payment required each billing cycle to keep the HELOC in good standing. During the draw period, this is typically interest-only on the outstanding balance. During repayment, the minimum becomes a full amortizing principal + interest payment. Paying only the minimum during the draw period means zero principal reduction.

A situation where minimum payments are less than the interest accruing, causing the loan balance to grow rather than shrink. Most standard HELOCs do not allow negative amortization — interest-only payments cover all accruing interest. However, some teaser-rate or minimum-payment HELOCs can create this risk. Always verify your minimum payment covers at least all accruing interest.

A fee charged by the lender to process and underwrite the HELOC, typically $0–$1,500. The single most negotiable closing cost on a HELOC. Many lenders waive it entirely for creditworthy borrowers or existing customers. Script: "Lender B is offering no origination fee — can you match that?"

The total amount currently drawn and owed on a HELOC at any given time. The outstanding balance is what you pay interest on — not the full credit limit. Example: $100,000 credit line with $40,000 drawn = $40,000 outstanding balance. Interest accrues daily on this amount only.

The significant increase in required monthly payments when a HELOC transitions from the interest-only draw period to the full principal-and-interest repayment period. Example: $100,000 HELOC at 8.5% — draw period payment ~$708/month (interest-only) vs repayment period ~$868/month (20-year amortization) — a 23% jump. Mitigate by paying principal during the draw period.

An optional upfront payment to permanently lower your HELOC interest rate. One point = 1% of the HELOC amount, typically reducing the rate by 0.25%. Only worthwhile if you keep the HELOC long enough for the rate savings to exceed the upfront cost (the break-even point). Calculate: Point cost ÷ Monthly interest savings = Break-even months.

The benchmark interest rate set by major U.S. banks, typically 3% above the Federal Reserve's federal funds rate. As of mid-2026, the prime rate is approximately 7.50%. Nearly all U.S. HELOCs are indexed to the prime rate. When the Fed raises rates, the prime rate rises within days, and HELOC rates follow within one to two billing cycles.

The original or outstanding loan balance, not including interest. Each payment on a fully amortizing loan reduces the principal by the "principal portion" of that payment. During the HELOC draw period interest-only phase, monthly payments cover zero principal — the entire payment is interest. Only additional voluntary payments reduce principal during the draw period.

The income a lender will consider when calculating your DTI ratio for HELOC approval. Typically includes: W-2 wages, salary, documented self-employment income (2-year average from tax returns), 75% of gross rental income, Social Security, pension, and alimony. Lenders use gross income (before taxes) — not take-home pay.

A government fee paid to the county recorder's office to officially document the HELOC lien in public records. Typically $50–$200. Not negotiable — set by local government. The only non-negotiable closing cost on most HELOCs.

The phase of a HELOC — typically 20 years — that begins when the draw period ends. During repayment, the credit line closes and the outstanding balance converts to a fully-amortizing loan with fixed principal + interest payments. No additional draws are allowed. Payment amounts are based on the outstanding balance, interest rate, and remaining term.

A type of credit that can be borrowed, repaid, and borrowed again — up to a set limit — without needing to reapply. Credit cards and HELOCs are both revolving credit. Unlike installment loans (mortgages, car loans), revolving credit balances fluctuate based on your borrowing and repayment activity.

Any mortgage or lien on a property that is junior (subordinate) to the first mortgage. HELOCs and home equity loans are both second mortgages when a first mortgage exists. "Second" refers to the repayment priority — if the property is sold or foreclosed, the first mortgage lender is paid first, then second mortgage holders.

A lien that has lower priority than another lien on the same property. A HELOC is typically a subordinate lien (second in priority) to the first mortgage. In foreclosure, senior lienholders are paid before subordinate lienholders. This is why HELOC rates are typically higher than first mortgage rates — the lender takes more risk.

The total duration of a loan. For HELOCs, the term typically refers to the combined draw and repayment periods — usually 30 years total (10-year draw + 20-year repayment). Some HELOCs have shorter terms (20 years: 5-year draw + 15-year repayment) or interest-only with a balloon payment at term end.

An examination of public records to verify a property's legal ownership history and identify any existing liens, encumbrances, or claims against it. Required before a HELOC closes to ensure the lender's lien can be properly established. Typically costs $75–$500. Some lenders waive it or bundle it into closing costs.

An expanded version of CLTV that also includes all subordinate liens and lines of credit, even undrawn ones. Some lenders use TLTV — which counts your full HELOC credit limit even if $0 is drawn — rather than just the outstanding balance. TLTV is more conservative and affects your maximum approved HELOC amount.

The lender's process of evaluating a borrower's risk before approving a HELOC. Underwriters assess: credit score, debt-to-income ratio, loan-to-value ratio, income documentation, employment history, and property value. Automated underwriting systems (AUS) handle most straightforward applications; complex cases go to a human underwriter.

Debt not backed by collateral — such as credit cards, personal loans, and medical debt. If you default on unsecured debt, the lender cannot seize your property. Contrast with a HELOC, which is secured by your home. Converting unsecured credit card debt to a HELOC reduces interest cost but transfers risk to your home.

An interest rate that changes periodically based on movements in a benchmark index (usually the prime rate). Nearly all HELOCs carry variable rates. When the prime rate rises, your HELOC rate rises — typically within one to two billing cycles. When it falls, your rate falls. Variable rates introduce payment uncertainty compared to fixed-rate products.

A HELOC with a rate that adjusts whenever the prime rate changes, calculated as Prime Rate + Margin. The most common HELOC structure. Rate changes are usually monthly and tied to the prime rate as published in the Wall Street Journal. Some products have periodic rate change caps (e.g., rate cannot change more than 2% per year).

An agreement by the lender to forgo charging certain closing costs — most commonly origination fees, appraisal fees, and annual fees. Fee waivers are often available to: existing bank customers, borrowers with strong credit, and borrowers who ask. A zero-closing-cost HELOC is effectively a complete waiver of all upfront fees in exchange for a slightly higher rate.

A HELOC that waives all upfront closing costs — origination, appraisal, title, and recording — in exchange for a slightly higher interest rate (typically +0.10% to +0.30%). Not truly free — the cost is embedded in the rate over time. Best for borrowers who plan to keep the HELOC for fewer years than the break-even point.