McKirdy, Riskin, Olson & DellaPelle, P.C. | 1,123 followers on LinkedIn. Protecting property owners' rights in NJ for over 50 years | Since 1967, McKirdy, Riskin, Olson & DellaPelle, P.C., has successfully represented property owners in some of the most complex, precedent-setting eminent domain cases, real estate tax appeals, redevelopment matters, and real estate valuation litigation involving commercial, industrial, special purpose, and residential properties throughout the State of New Jersey.