Analysis: Amazon has built more than 450 warehouses in the US since the end of 2019, doubling its fulfillment capacity to over 930 facilities
Online retail giant has nearly doubled its fulfillment capacity since the start of the Covid-19 pandemic — In the past two years …
Context & Ripple Effects
This analysis captures Amazon at peak expansion: more than 450 new US warehouses since the end of 2019, doubling the fulfillment network past 930 facilities as pandemic e-commerce demand surged. The buildout was the physical foundation for a delivery operation that would later ship 5.2 billion US packages in 2022, surpassing UPS after overtaking FedEx in 2020.
The arc that followed makes this a pivot point in the story: the same overcapacity later forced Amazon into subletting over 10 million square feet and closing or delaying dozens of sites, before a $15B plan for nearly 80 new facilities in 2025 reversed the slowdown. This article is where that cycle began.
First-order effects
- Amazon's fulfillment and delivery workforce swells alongside the footprint — the company had already grown US headcount from 180K toward 280K in 2017 largely on fulfillment hiring, and the new facilities multiply that demand.
- The doubled network lets Amazon handle pandemic-era order volumes in-house, reducing reliance on FedEx and UPS for last-mile delivery.
Second-order effects
- FedEx and UPS lose parcel volume as Amazon's own network absorbs deliveries it once outsourced — a shift the 2022 shipment data confirmed.
- Industrial landlords and developers in logistics markets gain a tenant of unprecedented scale, but one whose later pullback exposed how concentrated warehouse demand had become around a single company.
Third-order effects
- The build-bust-rebuild pattern — rapid expansion, overcapacity, sublets and closures, then renewed construction — establishes fulfillment capacity as a cyclical asset Amazon adjusts in waves rather than a one-way bet.
- Amazon's shift from retailer to logistics operator competing directly with the carriers it once paid becomes structural, with warehouse footprint serving as the leading indicator of that ambition.
The trend: Amazon's US fulfillment network is cycling through boom-and-correction phases as the company internalizes logistics, with each construction wave resetting its competitive position against FedEx and UPS.