How do I check a tree service's registration in Washington?

Ask for their registration number and look it up on L&I's Verify a Contractor or on checkthepro.com/lookup. An active registration means they have the bond and liability insurance the state requires.

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Tree services in Mount Vernon, WA

3 tree services with a Mount Vernon business address are registered with Washington L&I (Skagit County). Registration means the state holds a bond and proof of liability insurance for each of them. Check any pro below before you hire.

Updated October 16, 2026 from the state register

3registered with the state

1pro gets your request

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Before you hire

1Registration active, same name as the estimate. Check it.

2Insured before anyone climbs. Ask if Mount Vernon needs a tree permit.

3Written estimate first. No big cash deposits.

3 registered tree services

L&I register, Oct 16, 2026. A–Z. Listing isn't a recommendation.

CORNERSTONE TREE SERVICESCORNETS747B7 · Construction Contractor · renews Feb 2028

GIOVANNY'S TREES SERVICES LLCGIOVATS819QG · Construction Contractor · renews Jul 2027

GOLDEN LARCH TREE SERVICE LLCGOLDELT744JT · Construction Contractor · renews Apr 2028

Common problems

Tree leaning or cracked?Storm damage to a tree?

Other pros in Mount Vernon

Garage door companies Electricians HVAC companies Plumbers Septic and side-sewer contractors

Common questions

How many tree services are registered in Mount Vernon?

3 with a Mount Vernon business address, as of October 16, 2026. Many more from nearby towns also work in Mount Vernon.

How do I check a tree service's registration?

Ask for their registration number and look it up on Check a contractor or L&I's Verify a Contractor. An active registration means they carry the bond and liability insurance the state requires.

Does Check the Pro send my request to several companies?

No. Each request goes to one registered local pro. If they can't take it, we find another.

Sources

Washington L&I contractor license data · The state's public register, refreshed here daily.

L&I Verify a Contractor · The official lookup, with bond, insurance and lawsuit details.

“Each applicant shall file with the department a surety bond issued by a surety insurer who meets the requirements of chapter 48.28 RCW in the sum of $30,000 if the applicant is a general contractor or $15,000 if the applicant is a specialty contractor.”

RCW 18.27.040

“the applicant shall furnish insurance or financial responsibility in the form of an assigned account in the amount of fifty thousand dollars for injury or damages to property, and one hundred thousand dollars for injury or damage including death to any one person, and two hundred thousand dollars for injury or damage including death to more than one person.”

RCW 18.27.050

“...the installation or repair of roofing or siding, performing tree removal services, or cabinet or similar installation.”

RCW 18.27.010

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