The details on A1 Tree Service LLC
- WA L&I registration
- A1TRETS827OP
- Registration checked
- September 7, 2026
- Registered since
- 2018
- Expires
- September 2028
- Contractor bond
- $15,000 · American Contractors Indem CO
- Liability insurance
- $2,000,000 · Western World Ins Co
- Insurance through
- October 2026
- Primary trade
- General Contractor
- L&I specialty
- Tree Removal Service
- Registered principal
- HARM, LEWIS ANDREW · since 2018
- Registered principal
- HARM, SAPPHIRE BLUE · since 2018
- Service area
- Deer Park
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking A1 Tree Service LLC
Is A1 Tree Service LLC a registered contractor?
The number you want is A1TRETS827OP — A1 Tree Service LLC's Washington State L&I contractor registration, expiring September 2028. Last checked September 7, 2026. Washington's contractor lookup is free and open if you want to confirm it today. L&I also lists a $15,000 contractor bond (American Contractors Indem CO) and $2,000,000 of liability insurance with Western World Ins Co through October 2026. Ask for proof of bond and current insurance before work starts.
What areas does A1 Tree Service LLC serve?
Deer Park 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 did A1 Tree Service LLC end up on this page?
A1 Tree Service 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.