X0708 D LIVE 0002139675 Keystone Opportunity Fund 1 LLC 78 PROSPECT PARK WEST APT. 4G BROOKLYN NY NEW YORK 11215 646-338-3839 PENNSYLVANIA None None Limited Liability Company true 2026 Daniel Harvey 78 Prospect Park West Apt. 4G Brooklyn NY NEW YORK 11215 Executive Officer Director Daniel Harvey is a Managing Member of BD Equity Partners LLC, the Manager of Keystone Opportunity Fund 1 LLC Bradford Behrins 78 Prospect Park West Apt. 4G Brooklyn NY NEW YORK 11215 Executive Officer Director Bradford Behrins is a Managing Member of BD Equity Partners LLC, the Manager of Keystone Opportunity Fund 1 LLC Pooled Investment Fund Private Equity Fund false No Revenues 06b false true true true true true false 50000 2000000 0 2000000 true 0 0 0 0 No commissions or fees paid on the raise of funds. Fees are only paid for services to the fund. 0 Manager will receive no commissions in connection to the sale of Units. However, Manager will receive a $5,000 Acquisition Fee, 2.0% Management Fee, 2.0% Disposition Fee, and 10.0% Renovation Fee. false Keystone Opportunity Fund 1 LLC Chelsea R Redding Chelsea R Redding By POA from Bradford Behrins, Manager 2026-06-09