TETRA TECH EC INC

Registration

Status

ACTIVE

Effective date

April 9, 2005

Expiration date

December 2, 2027

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 23, 2026.

Bond

Current bond

• Bond company

  Fidelity & Deposit Co of MD

  Bond number

  09181392

  Amount

  $30,000

  Effective date

  May 7, 2025

  Expiration date

  Until canceled

• Bond company

  SAFECO INS CO OF AMERICA

  Bond number

  6699740

  Amount

  $12,000

  Effective date

  May 7, 2010

  Expiration date

  Until canceled

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced November 8, 2026.

Liability insurance

Current policy

• Carrier

  SAFETY NATIONAL CASUALTY CORPO

  Policy number

  GL6676804

  Coverage amount

  $2,000,000

  Effective date

  October 1, 2026

  Expiration date

  October 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 November 8, 2026.

People

Principals L&I lists for this license.

• BURDICK, STEVEN MICHAELSince April 6, 2011
• CT CORPORATION SYSTEMSince April 6, 2011
• LEMMON, RICHARD ALANSince April 6, 2011
• CRAMER, KEVIN ESince April 6, 2015
• JUDOVITS, ROBERT SSince April 6, 2015
• SPAGNOLO, NICHOLAS DSince April 6, 2015
• BATRACK, DANNY LSince April 23, 2015
• BOLT, ANDREW NSince April 23, 2015
• BROWNLIE, WILLIAM RSince April 23, 2015
• BOX, SAM WApril 9, 2005 to April 6, 2011
• DELMASTRO, THOMASApril 9, 2005 to January 25, 2006
• LEMMON, RICHARD AApril 9, 2005 to April 6, 2011
• ROGERS, DONALD I JRApril 9, 2005 to April 6, 2011
• KING, DAVID WFebruary 22, 2007 to April 6, 2011
• BOX, SAM WESLEYApril 6, 2011 to March 18, 2015
• ROGERS, DONALD IRWIN JRApril 6, 2011 to March 18, 2015
• TRULY, RICHARD HARRISONMay 12, 2011 to March 18, 2015
• GALAN, AMY MApril 6, 2015 to November 17, 2023
• CONAWAY, MICHAEL HApril 23, 2015 to November 17, 2023
• TIPPMANN, CARL JApril 23, 2015 to November 17, 2023

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced November 8, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: TETRA TECH EC in Langhorne. 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 8, 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.

• October 23, 2026Current insurance policy number: Not on record → GL6676804
• October 23, 2026Current insurance carrier: Not on record → SAFETY NATIONAL CASUALTY CORPO
• October 23, 2026Current bond company: Not on record → Fidelity & Deposit Co of MD
• October 23, 2026Suspension date: October 1, 2026 → Not on record
• October 23, 2026Registration status: SUSPENDED → ACTIVE

Sources

• L&I Contractor License Data - General, Washington State Department of Labor & Industries
• L&I Contractor License Data - Bond, Washington State Department of Labor & Industries
• L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries
• L&I Contractor License - Principal Data, Washington State Department of Labor & Industries
• Attorney General Consumer Complaints, Washington State Attorney General's Office

Record last synced October 23, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number TETRATE951JZ).