Fannie Mae Selling Guide C3-3-02: Accessing Buyup and Buydown Ratios and Calculating Payments or Charges
This topic provides information lenders need in order to buy up or buy down their guaranty fee, including:
Fannie Mae publishes the full text of this section: Fannie Mae Single Family Selling Guide on the Fannie Mae website. Zeitro Strata answers questions about it with the passage and page cited.
What this section covers
- General Information on Buyups
- General Information on Buydowns
- Accessing Buyup and Buydown Ratios
- Calculating Buyup Payments and Buydown Charges
- Buyup Payment Recapture
Guideline text quoted as published by the agency. The latest published version governs. This is not an underwriting decision.

