Contractor History
Menu

Registered Washington contractor, based in LANCASTER, NY

ECOLOGY & ENVIRONMENT INC

First registered in Washington on July 3, 2000

License number
ECOLOEI000MC
UBI
601004656
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
Business address
LANCASTER, NY
Phone
(716) 684-8060

Are you this contractor? Claim this profile. It is free.

Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: Registration appears to be expired

From the state records below; each section shows its source and when it was last synced.

Registration

Status
EXPIRED
Effective date
July 3, 2000
Expiration date
August 16, 2020
Suspension date
August 1, 2020

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 EXPIRED status.

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced November 11, 2026.

Liability insurance

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

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced November 11, 2026.

People

Principals L&I lists for this license.

  • C T CORPORATION SYSTEMSince January 1, 1980
  • FRANK, RONALD LSince January 1, 1980
  • SILVESTRO, FRANK BSince July 16, 2012
  • SORCI, PETER FRANCISSince August 7, 2018
  • El-Hillow, MichaelSince September 5, 2018
  • Gross, Michael CortSince September 5, 2018
  • Heinberg, Marshall AndrewSince September 5, 2018
  • Jacobs, Justin CSince September 5, 2018
  • Silvestro, Frank BernardSince September 5, 2018
  • MUSTERAIT, TODD MICHAELSince July 18, 2019
  • NEUMAIER, GERHARD JJanuary 1, 1980 to August 14, 2014
  • SILVESTRO, FRANK BJanuary 1, 1980 to July 23, 2018
  • MYE, H JOHNAugust 16, 2010 to July 23, 2018
  • GALLAGHER, GERARD A IIINovember 3, 2014 to July 18, 2019
  • Abramson, Stephanie WSeptember 5, 2018 to July 18, 2019

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced November 11, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: ECOLOGY ENVIRONMENT in LANCASTER. 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 11, 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 ECOLOEI000MC).