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What are the rules and regulations for Buy-Down Mortgage?

A buy-down mortgage is a loan where the borrower or third party pays discount points upfront to permanently reduce the interest rate below market rate for the loan term. These loans are popular for reducing monthly payments and borrowing costs, but regulations govern origination requirements, disclosure obligations, and resale implications that buyers and lenders must navigate carefully.

Buy-Down Structure and Types

Permanent Buy-Downs:

  • Discount points permanently lower interest rate
  • Points paid upfront: 1 point = 1% of loan amount
  • Typical rate reduction: 0.25% per point
  • Tax deductible for owner-occupied homes
  • Buyer or seller can pay points

Temporary Buy-Downs:

  • Interest rate reduced for initial period (2-3 years typically)
  • Rate increases annually to permanent rate
  • Seller typically funds temporary buy-downs
  • ARM (Adjustable-Rate Mortgage) subsidy structure
  • Popular with new home purchases

Points and Pricing:

  • 1 point = 1% of loan amount
  • 2-3 points typically provide 0.5-1% rate reduction
  • Cost-benefit: Points recouped through payment savings
  • Break-even analysis determines point value
  • Refinancing affects buy-down value

Regulatory Requirements and Disclosures

Disclosure Obligations:

  • Good Faith Estimate showing points and costs
  • Loan Estimate detailing all charges
  • Clear designation of discount points
  • APR calculation including points
  • Prepayment penalty disclosure if applicable

Lending Standards:

  • Lender qualification with reduced rate
  • Investor eligibility verification
  • Appraisal supporting loan amount
  • Documentation of point payment source
  • Secondary market resale requirements

Resale Considerations:

  • Points paid by seller don't transfer to new owner
  • Buyer assumes original interest rate
  • Permanent buy-down transfers with mortgage
  • Temporary buy-down affects only current borrower

Buy-down mortgages reduce interest rates through upfront point payments, subject to disclosure requirements and lending standards. Understanding permanent versus temporary buy-downs, point costs, and tax implications enables smart financing decisions.

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