West Coast Self-Storage Expanded Seattle Facility

The Harbor Avenue location added 230 new storage units to its total capacity following a construction project.

Updated on Oct. 12, 2026 in Openings & Closings

West Coast Self-Storage Expanded Seattle Facility

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West Coast Self-Storage has completed an expansion at its Harbor Avenue facility in Seattle. The project adds 230 new storage units, bringing the total count to 1,087.

Why it matters

The expansion increases storage availability in the West Seattle region, providing residents with more space options. The new facility space includes specialized features such as heated ground-floor units and drive-up access.

The expansion project added 230 units to the facility, which now features 1,087 total storage units. The construction process specifically utilized a drill rig to complete the work.

The players

West Coast Self-Storage

This company is a regional provider of self-storage solutions with multiple facilities located across the West Coast.

The details

The newly completed building at the Harbor Avenue site introduces heated ground-floor storage and drive-up access for tenants. To maintain site security, the entire facility now utilizes digital video monitoring systems.

West Coast Self-Storage announced the facility expansion completion on October 12, 2026.

Market Landscape

This project fits into the broader industry effort to increase capacity in response to the ongoing demand for flexible urban self-storage in growing metropolitan hubs. By upgrading the Harbor Avenue location, the operator strengthens its presence against local competitors in the West Seattle market.

Local customers in West Seattle now have access to 230 additional storage units, including options with drive-up access and heat. These upgrades may alleviate previous waitlists or capacity constraints for residents seeking to store personal items.

The takeaway

Adding high-demand features like drive-up access and climate-controlled ground floors allows storage facilities to serve a wider variety of customer needs. Prospective renters should confirm unit availability with the facility as the new space opens for operations.