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.The offer letter must be non-contingent. 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. Additionally, you'll need to provide a job offer letter from your employer that specifies your start date, salary and employment terms. First time home buyers can have a loan talk with our community experts and discuss their home loan related issues in mortgage loan forum. Signed Job Offer Letter: The letter must include your name, the employer's name, job title, salary, and start date. 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. The process begins as you fill out your employment information on your loan application.