Washington contractor

GRINDSTONE GUYS LLC

Registered in Washington for 2 years

License number: GRINDGL767K8
UBI: 604744083
Trade: General contractor(all general contractor contractors in Washington)
L&I license type and specialty: CONSTRUCTION CONTRACTOR · GENERAL
City: Auburn, WA(all contractors in Auburn)
Phone: (253) 205-4098

Current verification

Found: Active Washington contractor registration
Found: Current bond record found
Found: Current liability insurance record found
Found: No Attorney General complaint records found
Review: 2 other license records under the same UBI

From the state records below; each section shows its source and when it was last synced.

Registration

Status: ACTIVE
Effective date: May 28, 2024
Expiration date: May 28, 2028

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

2 other license numbers are registered under the same UBI, 604744083. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.

DYNAMIC SEWER & DRAIN LLCSUPERCEDED
License DYNAMSD789BU · PLUMBING CONTRACTOR · January 28, 2022 to January 29, 2022
DYNAMIC SEWER & DRAIN LLCRE-LICENSED
License DYNAMSD791R2 · CONSTRUCTION CONTRACTOR · December 9, 2021 to December 9, 2025
L&I describes this status as "relicensed under another name, structure, or specialty." Relicensing is common: a business is given a new license number when it changes its legal structure, name, or specialty.

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Bond

Current bond

Bond company
Western Surety Co
Bond number
67882597
Amount
$30,000
Effective date
May 19, 2026
Expiration date
Until canceled
Bond company
Ohio Cas Ins Co
Bond number
999139566
Amount
$12,000
Effective date
May 22, 2024
Expiration date
Until canceled

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Liability insurance

Current policy

Carrier
HDI Global Insurance Company
Policy number
HDI55CL0750621
Coverage amount
$1,000,000
Effective date
December 14, 2025
Expiration date
December 14, 2026

L&I publishes only the policy currently on file. Earlier policies are kept from our own nightly syncs, which began October 6, 2026.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.

People

Principals L&I lists for this license.

TABION, RUBEN MARIO JRSince May 28, 2024

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: GRINDSTONE GUYS in Auburn. Complaints filed under another name or city are not included.

A complaint record does not establish that the business violated the law.

Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.

Record history

Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.

No changes recorded since our records began on October 6, 2026.

Sources

L&I Contractor License Data - General, Washington State Department of Labor & Industries
L&I Contractor License Data - Bond, Washington State Department of Labor & Industries
L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries
L&I Contractor License - Principal Data, Washington State Department of Labor & Industries
Attorney General Consumer Complaints, Washington State Attorney General's Office

Record last synced October 7, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number GRINDGL767K8).