ContractorHistory

Washington contractor

NORTH HILL SEWER & DRAIN LLC

Registered in Washington for less than 1 year

License number
NORTHHS756C4
UBI
604193020
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
PLUMBING CONTRACTOR · JOURNEY LEVEL
City
DES MOINES, WA(all contractors in Des Moines)
Phone
(206) 395-4440

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
May 5, 2026
Expiration date
May 5, 2028

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

One other license number is registered under the same UBI, 604193020. 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
    Merchants Bonding Co (Mutual)
    Bond number
    101405774
    Amount
    $6,000
    Effective date
    February 13, 2025
    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
    Third Coast Insurance Company
    Policy number
    GLSISTC011348526
    Coverage amount
    $1,000,000
    Effective date
    January 21, 2026
    Expiration date
    January 21, 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.

  • GRENDAHL, WARREN DALESince February 24, 2025

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: NORTH HILL SEWER DRAIN in DES MOINES. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: NORTH HILL SEWER & DRAIN LLC (NORTHHS822B3, 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 NORTHHS756C4).