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Registered Washington contractor, based in OAKLAND, CA

TERRAPHASE ENGINEERING INC

First registered in Washington on October 18, 2023

License number
TERRAEI775PR
UBI
603594798
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
Business address
OAKLAND, CA
Phone
(510) 645-1850

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Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: A registration suspension is on record
  • 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
SUSPENDED
Effective date
October 18, 2023
Expiration date
October 19, 2027
Suspension date
October 4, 2026

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, 603594798. 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.

  • License ROBINNI935J3 · CONSTRUCTION CONTRACTOR · April 23, 2007 to April 23, 2025 · suspension date November 30, 2023

    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

L&I does not publish bond records for contractors with SUSPENDED status.

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced November 15, 2026.

Liability insurance

L&I does not publish liability insurance records for contractors with SUSPENDED status.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced November 15, 2026.

People

Principals L&I lists for this license.

  • Carson, William LloydSince October 18, 2023
  • Raines, Jeffery RigganSince October 18, 2023
  • Romolo, AndrewSince October 18, 2023
  • Sherif, Nader YousifSince October 18, 2023
  • Zawislanski, Peter ThomasSince October 18, 2023

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced November 15, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: TERRAPHASE ENGINEERING in OAKLAND. 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 November 15, 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 TERRAEI775PR).