.: Official Website of the Lake County Indiana :.

Live and archived, view agendas and minutes

Lake County phone directory

Apply for Property Tax Deductions

Lake County Indiana purchasing manual for supplies, services and public works

Lake County Geographic Information System

Local Traffic Conditions

Local tax and finance dashboard

Apply for building permit online (unincorporated Lake County only)

A State investment in public local health

Pay property taxes

Phone scams

June 10, 2026

Lake County Treasurer John Petalas is warning people not to fall for a phishing scam using a treasurer's office phone number.
Notice of Proposed New Rule or Amendment to Local Court Rule - June 8, 2026

May 28, 2026

In accordance with Trial Rule 81 of the Indiana Court Rules, the Lake Circuit and Superior Courts hereby give notice to the bar and the public that the Courts propose to amend LR 45-AR-15-05 Court Reporter Services for the courts of record of Lake County.
CREDITABLE COVERAGE/Medicare Part D for the 2026 calendar year

December 17, 2025

Important Notice from Lake County Government About Your Prescription Drug Coverage and Medicare
Lake County Government Notices and Forms 2025-26

December 16, 2025

Lake County Government has released the comprehensive 2025-26 Annual Notices and Forms package, providing employees with essential information about health coverage options, enrollment rights, and benefit programs.
Transparency in Coverage Act

September 1, 2022

The following link, https://www.cigna.com/legal/compliance/machine-readable-files, leads to the machine readable files that are made available in response to the federal Transparency in Coverage Rule and includes negotiated service rates and out-of-network allowed amounts between health plans and healthcare providers. The machine-readable files are formatted to allow researchers, regulators, and application developers to more easily access and analyze data.