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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 and Natural Resources: 50%
    29 years
  2. Land Use & Zoning: 40%
    23 years
  3. Business: 10%
    23 years



Retainer (always)

Payment types:

Cash, Check

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Contact info

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


ILActive And Authorized To Practice Law198611/12/2015
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
Illinois Environmental Regulatory Review CommissionCommissioner2002 - 2003
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
Public Interest Law InitiativeBoard of Directors1987 - 1990
American Bar AssociationN/A1986 - Present
Chicago Bar AssociationN/A1986 - Present
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/AJ.D.1986
Yale UniversityEconomics & Political ScienceB.A.1981
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