ContractorHistory

Registered Washington contractor, based in LONG BEACH, CA

NATIONAL PLANT SERVICES INC

Registered in Washington for 15 years

License number
NATIOPS896L9
UBI
603125014
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
Business address
LONG BEACH, CA
Phone
(562) 436-7600

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

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

Registration

Status
ACTIVE
Effective date
June 29, 2011
Expiration date
February 4, 2028

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

Bond

Current bond

  • Bond company
    Travelers Cas and Surety Co of America
    Bond number
    105639438
    Amount
    $30,000
    Effective date
    June 27, 2024
    Expiration date
    Until canceled

Bond history

  • Bond company
    Travelers Cas and Surety Co of America
    Bond number
    105639438
    Amount
    $12,000
    Effective date
    June 27, 2011
    Expiration date
    July 17, 2024

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

Liability insurance

Current policy

  • Carrier
    Zurich American Ins Co
    Policy number
    GLO937720122
    Coverage amount
    $2,000,000
    Effective date
    October 31, 2025
    Expiration date
    October 31, 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.

  • C T CORPORATION SYSTEMSince September 9, 1936
  • KEENE, DENNIS RSince June 29, 2011
  • ABAD, MARIO NAVARROSince March 5, 2020
  • THIBODEAUX, SHARLEEN AJune 29, 2011 to March 5, 2020

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: NATIONAL PLANT SERVICES in LONG BEACH. 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

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 NATIOPS896L9).