ContractorHistory

Washington contractor

WHATCOM WINDOW WASHERS LLC

Registered in Washington for less than 1 year

License number
WHATCWW746DS
UBI
602654688
Trade
Pressure washing(all pressure washing contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · PRESSURE WASHING
City
BELLINGHAM, WA(all contractors in Bellingham)
Phone
(360) 920-0122

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
August 20, 2026
Expiration date
August 20, 2028

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, 602654688. 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.

  • WHATCOM WINDOW WASHERS LLCRE-LICENSED

    License WHATCWW875PU · CONSTRUCTION CONTRACTOR · October 31, 2013 to February 11, 2024

    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
    67667252
    Amount
    $15,000
    Effective date
    October 25, 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
    Nautilus Ins Co
    Policy number
    NN1912907
    Coverage amount
    $1,000,000
    Effective date
    October 25, 2025
    Expiration date
    October 25, 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.

  • SEIDENBERG, PETER ESince March 10, 2026

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: WHATCOM WINDOW WASHERS in BELLINGHAM. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: WHATCOM WINDOW WASHERS LLC (WHATCWW875PU, RE-LICENSED). 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 WHATCWW746DS).