Some buyers can use an offer letter mortgage to qualify for a home loan before starting their new job. Here's how offer letter loans work.If you're inbetween jobs, you might still get approved for a mortgage. The lender asked for an offer letter, and said the job Offer that I accepted on is too contingent to use. HR says they don't know, but are going to ask payroll. First time home buyers can have a loan talk with our community experts and discuss their home loan related issues in mortgage loan forum. If you have an offer letter and haven't started the job yet, you can still be eligible to buy a home. Lenders want evidence that you'll be able to repay a loan, so typically they like to see a steady twoyear work history with a stable or rising income. An employment letter is a crucial document you need to secure a home loan. Read about how to write a winning employment letter for mortgage.