ContractorHistory

Washington contractor

MT BAKER MECH CONTRACTORS INC

Registered in Washington for 5 years

License number
MTBAKBM791MG
UBI
602831793
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
PLUMBING CONTRACTOR · JOURNEY LEVEL
City
Ferndale, WA(all contractors in Ferndale)
Phone
(360) 384-4800

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: 1 other license record 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
July 19, 2021
Expiration date
July 19, 2027

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

Related licenses

One other license number is registered under the same UBI, 602831793. 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.

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

Bond

Current bond

  • Bond company
    Federated Mutual Ins Co
    Bond number
    1965764
    Amount
    $6,000
    Effective date
    June 25, 2026
    Expiration date
    Until canceled

Bond history

  • Bond company
    Ohio Cas Ins Co
    Bond number
    023218646
    Amount
    $6,000
    Effective date
    June 25, 2021
    Expiration date
    Not on record
    Cancellation date
    June 25, 2026

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

Liability insurance

Current policy

  • Carrier
    FEDERATED RESERVE INSURANCE CO
    Policy number
    1894950
    Coverage amount
    $1,000,000
    Effective date
    March 23, 2026
    Expiration date
    March 23, 2027

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.

  • CONSTANT, YANCEY ESince July 2, 2021
  • HOLTROP, JOSEPH (JOE) ALBERTSince July 2, 2021

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: MT BAKER MECH CONTRACTORS in Ferndale. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: MT BAKER MECH CONTRACTORS INC (MTBAKBM922KN, ACTIVE). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.

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 MTBAKBM791MG).