Max line you can open
$225,000
Available equity: $300,000
Draw-period payment (int-only)$375
Repayment payment$450
Payment shock+$75
Lifetime interest$58,000
How much you can borrow, what the interest-only payments look like, and what happens when the repayment phase begins.
A Home Equity Line of Credit is structured in two distinct phases. The draw period (usually 10 years) is when you can borrow up to the credit limit; you owe interest only on the outstanding balance, no required principal. The repayment period (typically 15–20 years after the draw closes) is when the line is locked and the remaining balance amortizes — principal plus interest until the balance is zero.
CLTV cap — typically 80–85% on primary residences (some prime borrowers see 90%). Investment property: 70–75%.Rate — variable; quoted as WSJ Prime + margin. Adjusts monthly with Fed actions.Going from interest-only to fully amortizing typically raises the payment 50–100% overnight. A $50,000 balance at 9% drops from $375/month interest-only to about $450/month amortizing over 20 years — modest. The same balance over a shorter 15-year repayment goes to $507/month. Borrowers who maxed out their line in year 9 of the draw period frequently can't absorb the year-10 jump.
| HELOC | Home Equity Loan | Cash-out Refinance | |
|---|---|---|---|
| Rate type | Variable (Prime + margin) | Fixed | Fixed (typical) |
| Disbursement | Draw as needed | Lump sum | Lump sum |
| Closing costs | $0–$1,000 | 2–5% of balance | 2–5% of full new loan |
| Touches first mortgage | No | No | Yes (replaces it) |
| Best for | Multi-stage projects, flex | Single big project | Big rate-gap on first mortgage |
The first-mortgage decision usually drives this. If you have a 3% mortgage from 2021, a cash-out refinance forces you to give that up — a HELOC keeps it intact.
Easy access turns "I have $200k of equity available" into "I drew $40k for a wedding and another $30k for cars." The interest cost is invisible during the draw period. By the time payment shock hits, the balance is unmanageable.
A HELOC drawn in your late 50s with a 10-year draw + 20-year repay extends to your late 80s. Lenders rarely volunteer that the math collides with your retirement income.
Per Federal Reserve data, ~750,000 HELOCs were frozen or reduced in 2008–2010 — exactly when borrowers needed access most. A real cash emergency fund in a HYSA can't be retracted by the bank.
Sources: CFPB HELOC consumer guidance, Reg Z §226.5b (Truth in Lending Act open-end credit rules), Federal Reserve Survey of Consumer Finances, IRS Publication 936 (TCJA mortgage interest deduction).
Combined Loan-To-Value = (first mortgage balance + HELOC balance) ÷ home value. Most lenders cap CLTV at 80–85% on owner-occupied primary residences; some go to 90% for prime borrowers. Investment property and second homes typically cap at 70–75%. The cap matters because the lender uses (Home × CLTV − first mortgage) to compute your maximum line size.
Only if used to buy, build, or substantially improve the home that secures the loan, per the Tax Cuts and Jobs Act of 2017. HELOC funds used to pay off credit cards, fund a vacation, or invest are not deductible. Combined acquisition-debt cap is $750,000 (post-12/15/2017) or $1M (grandfathered). Document the use — IRS audits can require receipts proving substantial improvement, and routine maintenance doesn't qualify.
Almost always variable. Most HELOCs are priced as WSJ Prime Rate plus a margin (typically 0% to +3%). When the Fed raises Federal Funds, prime moves in lockstep, and your HELOC rate moves with it the next billing cycle. Some lenders offer fixed-rate-conversion options on portions of the balance — useful but typically 0.50–1.00% above the variable rate.
Yes. Under federal Reg Z (Truth in Lending Act §226.5b(f)), lenders can freeze or reduce a HELOC when home values drop materially or your creditworthiness changes significantly. This happened to roughly 750,000 HELOC borrowers in 2008–2010. The lender must notify you in writing within 3 business days and explain the reason. You retain the right to repay the existing balance under original terms.
HELOC if you have a good first-mortgage rate you don't want to disturb, want flexibility to draw and repay over time, or only need part of the equity. Cash-out refinance if your first-mortgage rate is materially above market or you want a fixed long-term rate. The 2026 typical setup: rate-and-term refi if the rate gap justifies it; HELOC otherwise.
A HELOC is a revolving line of credit (variable rate, draw on demand). A home equity loan is a closed-end installment loan — you receive the full amount at closing and pay it back like a mortgage at a fixed rate. Use HELOC for unpredictable, multi-stage spending. Use a home equity loan for a single big known number.
680 minimum at most lenders; 720+ for the best rates and 90% CLTV access. The HELOC is a junior lien (subordinate to your first mortgage), so the lender bears more risk in foreclosure — they price that risk in tighter credit standards. Below 680 you'll see rate margins of +3% or higher above prime, plus reduced CLTV caps.
Many lenders advertise "no closing costs," but watch for: appraisal ($500–$800, sometimes waived), annual fee ($50–$100), early closure fee (0.5–1% if you close within 2–3 years), inactivity fee (rare), and the rate margin itself which carries the lender's profit. Compare lifetime cost on a representative balance, not the headline "free" offer.
It's a tempting backup but a poor substitute. Two reasons: (1) the bank can freeze or reduce the line precisely when you most need it (recession, falling home values), and (2) tapping the line in an emergency converts unsecured cash needs into debt secured by your home. A 3–6 month cash emergency fund in a HYSA does the same job without those failure modes.
During the draw period (typically 10 years), you can borrow up to the limit and pay interest-only on what you owe. At the end of the draw period the line closes and the outstanding balance amortizes over the repayment period (typically 15–20 years). Your monthly payment usually jumps 50–100% — this is the "payment shock" borrowers underestimate. Plan for it: either start paying principal voluntarily during draw or make sure your post-draw budget can absorb the jump.