Part-Time Income Mortgage Qualification 2026: When It Counts and How It Is Calculated

Part-time employment income can be used for mortgage qualification, but it follows the same rules as overtime and bonus income: a 2-year history is required and the income is averaged, not taken at face value. Borrowers who work multiple part-time jobs or who recently shifted from full-time to part-time require careful income analysis.

The 2-Year History Requirement

The borrower must have been employed part-time for the same employer or in the same field for at least 2 years. If they recently started a new part-time job after a gap, only the income from the new job can be counted and only after sufficient history exists. Two part-time jobs simultaneously, held for less than 2 years each, may not both count depending on the AUS and underwriter.

How Part-Time Income Is Averaged

• ✦Use total part-time earnings from 2 most recent W-2s
• ✦Divide by 24 to get monthly average
• ✦If YTD hours or earnings are below the prior-year pace, declining income analysis applies
• ✦If the employer reduces hours seasonally, document the pattern and average over the full year

Multiple Part-Time Jobs

If the borrower holds two or more part-time positions, each is evaluated separately. Each job must have a 2-year history to count. If Job A has 3 years of history and Job B has 18 months, Job B income may be excluded or require additional underwriter scrutiny. The AUS system evaluates combined employment, so run DU or LP with all jobs entered to see how findings respond.

Full-Time to Part-Time Transition

A borrower who recently reduced hours from full-time to part-time presents a declining income concern. If total compensation dropped by more than 10% year over year, underwriting will likely analyze whether the trend is permanent. A letter from the employer confirming the new schedule is voluntary and stable, plus a written explanation from the borrower, helps resolve the concern.