The estimated useful lives of our property and equipment are as follows:
Buildings and improvements
5 - 30 years
Vehicles
5 - 20 years
Landfill equipment
5 - 7 years
Other equipment
3 - 25 years
Furniture and fixtures
3 - 10 years
A summary of property and equipment, net as of December 31 follows:
20252024
Land$1,016 $897 
Landfill development costs11,335 10,518 
Vehicles and equipment11,785 10,998 
Buildings and improvements2,578 2,119 
Construction-in-progress – landfill
326 437 
Construction-in-progress – other
423 575 
$27,463 $25,544 
Less: accumulated depreciation, depletion and amortization
Landfill development costs$(6,578)$(6,031)
Vehicles and equipment(7,191)(6,692)
Buildings and improvements(1,055)(944)
(14,824)(13,667)
Property and equipment, net$12,639 $11,877 

Historical Timeline

Fiscal YearFiled
2025Feb 18, 2026Showing above
2024Feb 14, 2025
2023Feb 29, 2024
2022Feb 23, 2023
2021Feb 11, 2022
2020Feb 23, 2021
2019Feb 14, 2020
2018Feb 8, 2019
2017Feb 9, 2018
2016Feb 17, 2017
2015Feb 12, 2016

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.