Rail and transit, Transportation
Sound Transit Operations and Maintenance Facility South
South King County, Washington
Project overview
A new light rail operations and maintenance facility will store, clean and repair trains supporting future regional extensions. The program requires approximately 60–70 acres near an operating Link line.
- Scope
- A new light rail operations and maintenance facility will store, clean and repair trains supporting future regional extensions. The program requires approximately 60–70 acres near an operating Link line.
- Project type
- Light rail maintenance facility
- Reported investment / scope
- Not available
- Funding sources
- Not available
- Delivery method
- Not available
Organizations involved
- Owner / developer
- Sound Transit Directory profile ↗
- Developer
- Not available
- Engineering firm / architect
- Not available
- General contractor / construction manager
- Not available
- EPC contractor
- Not available
- Technology / equipment providers
- Not available
- Financial sponsor
- Not available
- Other recorded participants
- Not available
Business opportunities
Not verified
- Current procurement record
- Not available
- Upcoming procurement
- Not available
- Contract / package value
- Not available
- Supplier / subcontractor opportunities
- Not available
- Workforce requirements
- Not available
Check official project / procurement portal ↗
A project listing is not an open solicitation. Check the source for eligibility, current status, closing time and addenda.
Timeline & key dates
- Expected procurement
- Not available
- Construction start
- Not available
- Estimated completion
- 2032 (target; subject to change)
- Dated milestones
- South 336th Street site selected June 27, 2024. Contractor selection anticipated late 2026; early site work anticipated late 2026 or early 2027.
- Permitting
- Not available
- Recent project updates
- Not available
- Challenges / risks
- Not available
Related intelligence
No verified record associations have been entered for this project yet.
Connections use recorded entity IDs and public evidence. Shared keywords do not establish a relationship.
Additional project record
A new light rail operations and maintenance facility will store, clean and repair trains supporting future regional extensions. The program requires approximately 60–70 acres near an operating Link line.
Owner: Sound Transit
Location: South King County, Washington
Published status: Procurement
Completion: 2032 (target; subject to change)
Milestones: South 336th Street site selected June 27, 2024. Contractor selection anticipated late 2026; early site work anticipated late 2026 or early 2027.
Sources: Official project information. Reviewed October 9, 2026.
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