ContractorHistory

Washington contractor

NEUDORFER ENGINEERS LLC

Registered in Washington for 4 years

License number
NEUDOEL787LN
UBI
600389316
Trade
HVAC(all hvac contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · Heating/Vent/Air-Conditioning and Refrig (HVAC/R)
City
SEATTLE, WA(all contractors in Seattle)
Phone
(206) 621-1810

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
June 15, 2022
Expiration date
June 15, 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, 600389316. 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.

  • NEUDORFER ENGINEERS INCRE-LICENSED

    License NEUDOEI164PD · CONSTRUCTION CONTRACTOR · October 4, 1984 to August 29, 2022 · suspension date June 1, 2022

    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
    RLI Ins Co
    Bond number
    CMS0336944
    Amount
    $15,000
    Effective date
    May 28, 2025
    Expiration date
    Until canceled

Bond history

  • Bond company
    RLI Ins Co
    Bond number
    CMS0336944
    Amount
    $6,000
    Effective date
    June 13, 2022
    Expiration date
    May 29, 2025

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

Liability insurance

Current policy

  • Carrier
    Continental Insurance Co
    Policy number
    8033347298
    Coverage amount
    $1,000,000
    Effective date
    August 1, 2026
    Expiration date
    August 1, 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.

  • CROSSLEY, MELISSA KAESince June 15, 2022
  • NEUDORFER, WILLIAM CHARLESSince June 15, 2022
  • NICHOLS, RONALD TSince June 15, 2022

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: NEUDORFER ENGINEERS in SEATTLE. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: NEUDORFER ENGINEERS INC (NEUDOEI164PD, 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 NEUDOEL787LN).