Chapter 6: Income Types and Calculation



Overview

Income analysis is central to evaluating a borrower’s ability to repay the mortgage loan. Accurate identification and calculation of income ensure compliance with investor and regulatory guidelines. This chapter explores the types of acceptable income, documentation standards, and calculation methods.


Section 1: Employment and Income Verification

1. Wage/Salary Income:

  • Documents Required: Paystubs (30 days), W-2s (2 years), VOE (Verification of Employment)
  • Key Elements:
    • YTD income matching frequency
    • Hourly, salary, overtime, bonuses, commissions
    • Pay consistency

2. Verification of Employment (VOE):

  • Verbal VOE within 10 days of note date
  • Written VOE required for variable or bonus income

3. Income Calculation Method:

  • Hourly: Hourly rate × average weekly hours × 52 / 12
  • Salary: Annual salary / 12
  • Overtime/Bonus/Commission: Avg. of 2 years, YTD support required

Section 2: Self-Employment Income

Required Documentation:

  • Personal tax returns (1040s) — 2 years
  • Business tax returns (1065/1120/1120S) — 2 years
  • Year-to-date P&L (audited/unaudited)
  • Balance sheet

Stability Requirements:

  • Minimum 2 years self-employment
  • Consider 1 year with strong compensating factors

Net Income Calculation:

  • Use Schedule C (sole proprietorship)
  • Add back depreciation, non-cash expenses
  • Subtract non-recurring income, large business losses

Section 3: Other Income Types

1. Rental Income:

  • Lease agreements
  • Schedule E of tax returns
  • Depreciation and expenses reviewed
  • Net rental income added to or deducted from income

2. Retirement Income:

  • Pension award letters, bank statements
  • Consistent and likely to continue for 3 years

3. Social Security:

  • SSA award letter
  • Direct deposit proof
  • Gross up if non-taxable (typically by 125%)

4. Child Support/Alimony:

  • Divorce decree/court order
  • Proof of receipt for 6 months
  • Continuance for at least 3 years

5. Disability or Workers Comp:

  • Award letters
  • Continuance likelihood required

Section 4: Variable Income Considerations

1. Bonus and Commission:

  • Stable for 2 years
  • Year-over-year trend
  • Verify employer expectation of continuance

2. Overtime:

  • Consistent over 2 years
  • Supported by VOE and paystub

3. Seasonal Employment:

  • Acceptable with 2-year history
  • Example: Construction, farming, holiday retail

Section 5: Unacceptable Income Sources

  • Temporary employment unless verified for 2+ years
  • Unverifiable cash income
  • Lottery winnings unless recurring
  • Non-occupational income (unless documented)
  • Employer loans or reimbursements

Section 6: Income Analysis Tools

1. Fannie Mae Form 1084 / Freddie Mac Form 91:

  • Used for self-employed income analysis

2. Income Calculators:

  • Loan Origination Systems (LOS)
  • Excel-based underwriter tools
  • Agency income worksheets

3. DU/LP Income Logic:

  • May accept lender calculations
  • Manual override possible with documentation

Section 7: Common Red Flags

  • Declining income over years
  • Unverifiable sources
  • High expense-to-income ratios
  • Mismatch with bank deposits
  • Excessive write-offs in self-employed returns

Section 8: Case Studies

Case 1: Borrower with Hourly and Overtime Income

  • Reviewed YTD consistency and 2-year history
  • Overtime accepted at average of prior years

Case 2: Self-Employed Borrower with Net Loss

  • Income declined and showed losses
  • Loan denied due to inability to repay

Case 3: Social Security Recipient

  • Income grossed up and verified via direct deposit
  • Used in DTI calculation effectively

Final Notes

  • All income must be stable, verifiable, and likely to continue for 3 years
  • Use conservative calculations where variability exists
  • Reconcile income data with credit, assets, and employment verification

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