The details on Deer Park Furnace & Air LLC
- WA L&I registration
- DEERPPF882W3
- Registration checked
- September 7, 2026
- Registered since
- 2012
- Expires
- February 2028
- Contractor bond
- $4,000 · NORTH RIVER INSURANCE COMPANY THE
- Primary trade
- Electrical
- L&I specialty
- HVAC/RFRG
- Registered principal
- HAINES, LARRY E · since 2012
- Registered principal
- HAINES, DIANE L · since 2012
- Registered principal
- HAINES, RICHARD E · since 2016
- Service area
- Deer Park
Something here wrong or out of date? The business can claim this listing and correct it.
Questions worth asking Deer Park Furnace & Air LLC
Is Deer Park Furnace & Air LLC a registered contractor?
The number you want is DEERPPF882W3 — Deer Park Furnace & Air LLC's Washington State L&I contractor registration, expiring February 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 $4,000 contractor bond (NORTH RIVER INSURANCE COMPANY THE). Ask them to send the bond and insurance certificates over before the first day on site.
Does Deer Park Furnace & Air LLC cover my part of Spokane?
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 does a business get listed on this site?
Deer Park Furnace & Air LLC is licensed and working in the Spokane area — that's the whole bar for a page here. That registration is checked against Washington's record, and the date of the check is on this page for you to weigh.