The conforming loan limit for single-family mortgages eligible for sale to Fannie Mae and Freddie Mac will climb to $333,700 on Jan.1, 2004. Although that’s a substantial $11,000 increase from this year’s agency loan limit of $322,700, it is also the smallest annual adjustment in percentage terms since 1996. Fannie/Freddie loan limit adjustments are based on the average house sales