| Contact Us About Retrospective Rating |  | |
| Retro contact information — central office in Tumwater | |
|---|---|
| Phone (general information) | 360‑902‑4851 |
| Fax | 360‑902‑4258 |
| Retro@Lni.wa.gov | |
| Or Retro Staff List. | |
| Mailing address Retrospective Rating Program Department of Labor & Industries PO Box 44180 Olympia, Washington 98504-4180. Physical address Retrospective Rating Program Department of Labor & Industries 7273 Linderson Way SW Tumwater, Washington 98501-5414. |
|
| Sign up for the Lni‑Retro‑News e-mail list. | |
Address changes
Any change of address for retrospective rating participants must be in writing (either by postal mail or fax). The request should include:
- Business/organization name.
- L&I account ID number and Retro ID number or UBI (Unified Business Identifier) number.
- Name/telephone of person to contact if there are any questions.
