J&J Stump Grinding

Tree Removal Service · Renton, WA · License #JJSTUSG847K5

Registration expired per WA L&I as of Jul 8, 2022.

What do these mean?

J&J Stump Grinding is one of 13 Tree Removal Service contractors registered in Renton, registered with WA L&I since 2016. Registered longer than roughly half of Tree Removal Service contractors in Renton. Principals on record since 2016.

How confident can you be in J&J Stump Grinding?

Are they licensed, bonded, and insured?

Registration expired per WA L&I as of Jul 8, 2022.

Source:License facts on this pageVerify at WA L&I

Are they who they say they are?

Not yet verified — J&J Stump Grinding hasn't claimed this listing. Own this business? Claim it free.

Do other pros stand behind them?

No endorsements yet from other licensed contractors in Renton.

Do they have jobs on record?

Not yet measured — J&J Stump Grinding hasn't run jobs through Subser. Performance data comes from real jobs, not reviews.

Subser doesn't do star ratings or reviews — just verified records. What do these mean?

License facts

License type
CONSTRUCTION CONTRACTOR
Effective date
May 25, 2016
Expiration date
Jul 8, 2022
Suspend date
May 17, 2021
UBI
603140752
Business type
Partnership
Phone
(206) 251-3354
Location
Renton, WA 98057

Source: WA L&I contractor registration — checked Nov 12, 2026. Applies to every row above.

Registration lapsed Jul 2022 per WA L&I records.

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Bond & insurance on file

What the bond and insurance requirements mean for homeowners

A $15,000 surety bond, filed with the Department of Labor & Industries, is a condition of registration for specialty contractors in Washington (general contractors file $30,000).

The bond is a limited fund a homeowner (or subcontractor or supplier) can make a claim against, through the courts, if a registered contractor fails to meet its obligations on a job. Contractors must also keep general liability insurance on file — at least $50,000 in property damage and $200,000 in public liability coverage, or a $250,000 combined single limit — which covers damage the contractor causes, not workmanship disputes. The rows above are the bond and insurance filings L&I publishes for this registration; whether a specific filing applies to a specific project depends on its dates and terms.

Principals

NameStart date
Josh Robert HamiltonMay 25, 2016
Zachary Modrell HamiltonMay 25, 2016
What is a Tree Removal Service contractor licensed to do in Washington?

A tree removal specialty contractor is registered with WA L&I to remove and trim trees as a construction-adjacent service. The registration is limited to this trade. Washington requires a $15,000 surety bond and general liability insurance for this registration. Washington currently lists 13 Tree Removal Service contractors registered in Renton.

Looking for reviews of J&J Stump Grinding?

Subser doesn't have reviews or star ratings. This page shows J&J Stump Grinding's WA L&I record — registration status, bond and liability coverage, and principals on file — plus any endorsements from other licensed contractors.

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Built from Washington State L&I public records, updated Nov 12, 2026. Subser doesn't do star ratings or reviews — just verified records.