A housing cooperative unit in Park Forest. (Photo: VOPF) Analysis, Local, Park Forest Property Taxes and the Case for Housing Cooperatives by John Ostenburg on June 25, 2023 John Ostenburg Author More in Analysis: Martha Washington’s Enslaved Maid Ona Judge Made a Daring Escape to Freedom – but the National Park Service Has Erased Her Story From Philadelphia Exhibit February 14, 2026 Always Watching: How ICE’s Plan to Monitor Social Media 24/7 Threatens Privacy and Civic Participation November 10, 2025 Full-blown Fascism Has Arrived in America as the Pentagon Expels the Press October 16, 2025 By John A. Ostenburg