He is currently a member of the Cook County Board of Commissioners representing the 14th District of Cook County which includes Arlington Heights, Barrington, Glencoe, Glenview, Inverness, Kenilworth, Northbrook, Northfield, Palatine, Prospect Heights, Rolling Meadows, Wheeling, Wilmette and Winnetka.
Additionally, he is a member of the county's Asset Management, Audit, Business and Economic Development, Criminal Justice, Environment & Sustainability, Finance, Litigation, Health and Hospitals, Homeland Security and Emergency Management, Law Enforcement, Transportation, Technology and Innovation, and Zoning & Building committees.
For the Forest Preserve District, Britton serves as a member of the Capital Development, Environment & Sustainability, Litigation, Law Enforcement and Real Estate committees.
[13] Britton also came out in support of Cook County Assessor Fritz Kaegi's legislation urging data modernization for property tax assessments, asserting that the passage of SB1379 and HB2217 would mean more certainty for the county's smaller taxing bodies from having to pay large refunds if numerous assessment appeals are filed.
[14] Britton hosted a listening session in Palatine with Assessor Kaegi, where residents were able to discuss data modernization, appeals and the upcoming triennial reassessment.
[18] The ordinance requires the county clerk to offer fully translated ballots Korean, Tagalog, Polish, Russian, Ukrainian, Arabic, Gujarati, and Urdu.