[Your Business Name]
[Street No., Suite No.]
[City, State ZIP]
[Today’s Date]

RE: Business Closure 

To [Name of Leasing Company]:

Effective [Intended Date of Closure], [Your Business Name] will cease operations and no longer require our facilities at [Address of Leased Property] in order to conduct business. Please consider this letter effective notification [Your Business Name] will not renew our lease past [Lease Expiration Date].
We will complete our move out by [Date of Intended Vacation] and ensure all move-out guidelines specified within our lease agreement have been fulfilled. Please contact [Office Manager Name] at [Office Manager’s Phone Number] to schedule a final inspection and to answer any questions. Upon completion of inspection, we request our security deposit of [Amount of Security Deposit] be mailed to [Address for Security Deposit].
On behalf of all the employees at [Your Business Name], I would like to thank everyone at [Name of Leasing Company] for their professionalism and courtesy during our business relationship.
Sincerely,

[Your Name]
[Title], [Your Business Name]