The details on Southside Mechanical LLC
- WA L&I registration
- SOUTHML773KJ
- Registration checked
- September 14, 2026
- Registered since
- 2023
- Expires
- May 2027
- Contractor bond
- $15,000 · RLI Ins Co
- Liability insurance
- $1,000,000 · United Financial Casualty Comp
- Insurance through
- August 2027
- Primary trade
- HVAC
- L&I specialty
- Heating/Vent/Air-Conditioning and Refrig (HVAC/R)
- Registered principal
- LEWIS, MARK DANIEL · since 2023
- Service area
- Spokane Valley
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Southside Mechanical LLC
Is Southside Mechanical LLC licensed in Washington?
Registration SOUTHML773KJ is the one to check, and it expires May 2027. It is Southside Mechanical 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 $15,000 contractor bond (RLI Ins Co) and $1,000,000 of liability insurance with United Financial Casualty Comp through August 2027. Get current certificates for the bond and the insurance before anyone starts.
Does Southside Mechanical LLC cover my part of Spokane?
Spokane Valley is what they cover. A crew close to you is the one that comes back for a warranty call, so it is worth asking how far out they really travel.
How does a business get listed on this site?
Licensed, and working in Spokane Valley. That is the bar for a page on this site, and Southside Mechanical LLC clears it. The registration gets checked against the state's record and the date sits on this page, so you can judge how current it is.