The details on Tanz Mechanical Insulation LLC
- WA L&I registration
- TANZMIL012BR
- Registration checked
- September 14, 2026
- Registered since
- 1999
- Expires
- February 2028
- Contractor bond
- $30,000 · Ohio Cas Ins Co
- Liability insurance
- $1,000,000 · Spinnaker Insurance Company
- Insurance through
- August 2027
- Primary trade
- General Contractor
- L&I specialty
- GENERAL
- Registered principal
- TANSY, SEAN PATRICK · since 1980
- Registered principal
- TANSY, DEBORAH L · since 1980
- Registered principal
- TANSY, MARSHA LOUISE · since 2006
- Registered principal
- TANSY, DUNCAN WYATT · since 2020
- Service area
- Mead
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Tanz Mechanical Insulation LLC
Is Tanz Mechanical Insulation LLC licensed in Washington?
Registration TANZMIL012BR is the one to check, and it expires February 2028. It is Tanz Mechanical Insulation LLC's, filed with Washington State L&I. That was current on the state record as of September 14, 2026 — the link on this page goes to the record itself. On file alongside it: a $30,000 contractor bond (Ohio Cas Ins Co) and $1,000,000 of liability insurance with Spinnaker Insurance Company through August 2027. Ask for proof of bond and current insurance before work starts.
Does Tanz Mechanical Insulation LLC cover my part of Spokane?
Mead. Service areas change, so confirm they cover your address when you call.
How does a business get listed on this site?
Tanz Mechanical Insulation LLC is licensed and working in the Spokane area — that's the whole bar for a page here. The registration gets checked against the state's record and the date sits on this page, so you can judge how current it is.