APR 5.99% – 35.99%·$100 – $50,000

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Rates & terms

Piggyback Loan

Also known as: 80-10-10 loan, combo loan, second mortgage

In one sentence

A second loan taken simultaneously with a primary mortgage to avoid PMI or cover part of the down payment. The most common structure is an 80-10-10: 80% first mortgage, 10% second mortgage (often a HELOC), and 10% down payment. Not directly a personal loan product, but sometimes confused with one.

Full definition

A piggyback loan involves two mortgage loans originated simultaneously: a primary first mortgage (usually 80% of the purchase price) and a second mortgage (10%-20% of the purchase price). This combination avoids private mortgage insurance (PMI), which is required when a borrower puts less than 20% down on a conventional mortgage. Common piggyback structures: 80-10-10: 80% first mortgage, 10% second mortgage (often a HELOC or home equity loan), 10% buyer down payment. Total LTV = 90%, but the primary mortgage is at 80% so no PMI. 80-15-5: 80% first mortgage, 15% second, 5% down. Less common now but historically popular. Why borrowers use piggybacks: PMI on a conventional loan costs 0.5%-1.5% of the loan amount annually (for example, $1,000-$3,000/year on a $200,000 loan). A second mortgage at 7%-10% APR may be less expensive annually than PMI, especially if the second mortgage has a shorter term or can be paid off faster. How it relates to personal loans: Piggyback loans are mortgage products, not personal loans. However, borrowers sometimes confuse the two when considering home purchase financing options. A personal loan cannot be used as a down payment in most cases: conventional mortgages require that the down payment come from the borrower's own funds (not borrowed), and lenders verify the source of down payment funds. Using a personal loan as a down payment typically violates loan terms and is discoverable through credit report and bank statement review. Current availability: Piggyback loans are less common post-2008 than they were in the early 2000s, but they are available from portfolio lenders, credit unions, and some banks for qualified borrowers.

Editorial
Written by
Get Advance Loan Editorial Team
Reviewed by
Compliance Review
Published
January 15, 2026
Last reviewed
June 15, 2026
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