It depends on how much the signage costs.
2019 IRS Publication 946: How to Depreciate Property:
- Page 7: "Property contained in or attached to a building (other than structural components), such as refrigerators, grocery store counters, office equipment, printing presses, testing equipment, and signs."
- Page 103 This tangible property when attached to the building is considered an Improvement. The class life is 30 years and the Modified Accelerated Depreciation Life is 20 years.
Safe Harbor Election - do not depreciate items that cost less than $2,500 each.
To learn more about the different depreciation treatment options, click this link: Depreciation of Business Assets
