Skip to main content

About me

Mark Sargis has practiced environmental, zoning and land use law since 1986, representing corporate clients, small businesses, financial institutions, and individuals. He focuses his practice in Illinois and neighboring Midwestern states, dealing with federal and state law, as well as local ordinances and regulation.


Practice areas


  1. Environmental: 50%
    30 years
  2. Land Use & Zoning: 40%
    24 years
  3. Business: 10%
    24 years



Retainer (always)

Payment types:

Cash, Check

Attorney endorsements

No endorsements

Endorsements from fellow lawyers are an important consideration for many when selecting the right attorney. Be the first to endorse your colleague!

Are you an attorney? Endorse this lawyer

Contact info

19 South LaSalle Street, Suite 1203
Chicago, IL, 60603-1422


ILActive And Authorized To Practice Law198605/17/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Board of Directors AwardChemical Industry Council of Illinois2004
AV RatingMartindale-Hubbell1998
Work experience
TitleCompany nameDuration
Founding PartnerBellande & Sargis Law Group, LLP2005 - Present
PartnerBellande, Cheely, O'Flaherty, Sargis & Ayres1994 - 2005
AssociateWinston & Strawn1990 - 1994
AssociateKatten, Muchin & Zavis1989 - 1990
AssociateRivkin Radler Dunne & Bayh1986 - 1989
Association namePosition nameDuration
City of Wheaton Planning & Zoning BoardCommissioner2002 - Present
Yale Club of ChicagoBoard of Directors (Past President, Vice President, Secretary)1995 - Present
Chemical Industry Council of IllinoisBoard of Directors (past), Chair of Associates Committee (chair)1992 - Present
Industrial Waste Water & Sewage GroupN/A1992 - Present
American Bar AssociationN/A1986 - Present
Chicago Bar AssociationN/A1986 - Present
Illinois Environmental Regulatory Review CommissionCommissioner2002 - 2003
Public Interest Law InitiativeBoard of Directors1987 - 1990
Legal cases
Case nameOutcome
Federal Ct: Commercial property owner v. neighboring developer (former drycleaners)Settlement after favorable court ruling
See all legal cases 
School nameMajorDegreeGraduated
DePaul University College of LawN/AJD - Juris Doctor1986
Yale UniversityEconomics & Political ScienceBA - Bachelor of Arts1981
Speaking engagements
Conference nameTitleDate
Presenter/Lecturer, various professional conferences and seminarsIllinois Enforcement Priorities, Local Ordinances & Other Approvals, Land Pollution Issues, Safe Drinking Water ActN/A
Illinois Environmental Regulation ConferenceProgram Director and ModeratorN/A