Dear (Mr./Miss/Mrs./Ms.) followed by last name,
Introduce yourself in the first sentence and explain that you are providing a reference for the requester. Briefly describe your relationship with the requester of the letter, such as how you know them or how long you have been acquainted with them.
In the body of your reference letter, offer the details that you know about the person you are recommending. Include skills, relevant qualifications, characteristics or traits that make them a good candidate, etc. Include examples such as accomplishments in past employment, how the requester was a good tenant who paid on time each month, etc. The information you include here will vary depending on the reason you are writing the letter (housing, school application, employment, etc.).
Close your letter by thanking the recipient for their time; express your gratitude for their consideration of the requester.
Sign your letter by hand directly above your typed signature. Always keep your reference letter brief and concise so that it looks professional and can be read quickly by the recipient. With the information above, you will be able to write a reference letter that makes a good impression and may help the requester in achieving their goal.