Home Equity and HELOC Calculator

Frequently Asked Questions

How do I find my home's current market value?

Online tools like Zillow and Redfin give rough estimates but can be off 5-15%. A broker price opinion or full appraisal (required by most lenders) gives a more accurate figure.

What is combined LTV (CLTV)?

CLTV is the total of all loans secured by the property divided by the home's current value. Lenders typically limit CLTV to 80-85%.

Are HELOC rates fixed or variable?

Most HELOCs have variable rates tied to the prime rate plus a margin. Some lenders offer a fixed-rate option or allow locking in a fixed rate on a portion of the drawn balance.

Can I get a HELOC if I have a low credit score?

Most lenders require a minimum score of 620-680. Better rates are available above 720. Scores below 620 typically require private lending at much higher rates.

What happens to my HELOC if home values fall?

Lenders can freeze or reduce your available credit line if values fall significantly. If the home is underwater, you likely cannot get a HELOC until equity is restored.

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This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.

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How It Works

Home equity equals your property's current market value minus all outstanding debt secured by the property: Equity = Home Value minus Mortgage Balance minus HELOC Balance minus Other Liens. The loan-to-value (LTV) ratio is the inverse: LTV = Total Debt divided by Home Value times 100.

The calculator also shows your maximum available HELOC at 80% and 85% combined loan-to-value (CLTV) thresholds. Most lenders cap CLTV at 80-85% of your home's value. For example, if your home is worth $400,000 and you have a $250,000 mortgage, your current LTV is 62.5%. At an 80% CLTV limit, you could borrow an additional $70,000 ($400,000 x 0.80 - $250,000).

Key Metrics

Three ways to access home equity:

HELOC (Home Equity Line of Credit): A revolving credit line, typically at prime rate plus 0-2%. Features a 10-year draw period followed by a 20-year repayment period. Variable rate - payments rise with interest rates.

Home Equity Loan: A fixed-rate lump sum with fixed monthly payments - a second mortgage. Best for a single large known expense when you want predictable payments.

Cash-Out Refinance: Replaces your existing mortgage with a larger one; you receive the difference in cash. Makes sense when you can lower your rate and extract equity at the same time.

Tips

Use current market value, not your original purchase price or assessed value for taxes. Online valuation tools (Zillow, Redfin) give rough estimates; a broker price opinion or appraisal is more accurate.

HELOCs have variable rates - budget for rate increases. At prime + 1%, a $50,000 HELOC at today's rates could cost significantly more if rates rise 2-3%.

Home equity loan rates are fixed but typically 0.5-1% higher than primary mortgage rates, reflecting second-lien risk.

Interest on home equity debt used for home improvements is tax-deductible (subject to the $750,000 total mortgage limit). Interest used for other purposes (debt consolidation, purchases) is no longer deductible post-2017 TCJA.

Avoid using HELOC funds for depreciating assets (cars, vacations) - you are putting your home at risk for spending that provides no lasting value.

FAQ

How do I find my home's current market value?

Online tools like Zillow (Zestimate), Redfin (Redfin Estimate), and similar AVM tools give rough estimates based on comparable sales, but they can be off 5-15%. For a more accurate figure, ask a local real estate agent for a broker price opinion (BPO), or order a full appraisal, which is required by most lenders when applying for a HELOC.

What is combined LTV (CLTV)?

CLTV is the total of all loans secured by the property (first mortgage + HELOC + any other liens) divided by the home's current value. Lenders typically limit CLTV to 80-85%. Some credit unions and portfolio lenders allow up to 90% for well-qualified borrowers, at a higher rate.

Are HELOC rates fixed or variable?

Most HELOCs have variable rates tied to the prime rate plus a margin (typically 0-2%). Rates change when the Federal Reserve changes the federal funds rate. Some lenders offer a fixed-rate HELOC option or allow you to lock in a fixed rate on a portion of your drawn balance.

Can I get a HELOC if I have a low credit score?

Most lenders require a minimum credit score of 620-680 for a HELOC, with better rates available above 720. Scores below 620 typically require a hard-money or private lender at much higher rates. Building equity via appreciation or paying down your mortgage is often the first step before qualifying.

What happens to my HELOC if home values fall?

Lenders can freeze or reduce your available credit line if your home's value falls significantly, which happened widely during the 2008-2009 housing crisis. If you owe more than the home is worth (underwater), you likely cannot get a HELOC at all until equity is restored.

Home Equity and HELOC Calculator

Frequently Asked Questions

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