About Us: Real Property Management Citadel in Orange, CA
Real Property Management is a trusted leader in managing reliable single-family and small multi-family residences. With over 35 years of experience and 380-plus offices nationwide, they provide local expertise and a highly-trained, responsive team. Real Property Management manages tens of thousands of properties for individuals, investors, and institutions throughout the country.
Real Property Management is THE local expert.
Mario Quintero
Owner & General Manager
Mario Quintero brings over 10 years of experience in real estate development, construction management, and property operations to Orange County property owners. He combines hands-on expertise with strategic oversight, ensuring properties are managed efficiently, profitably, and in full compliance with California law.
Mario holds a Master of Real Estate Development (MRED) from the University of Southern California, complementing his practical experience in managing multi-unit apartments, single-family homes, investment properties, and student housing. His background enables him to navigate complex challenges, ranging from city negotiations and code enforcement issues to overseeing renovations and construction projects, all with a focus on protecting owners’ investments.
As Owner & General Manager of Real Property Management Citadel, Mario leads a team dedicated to proactive management, rigorous tenant screening, and transparent communication. His approach combines hands-on oversight, aggressive marketing, and strategic tenant placement to maximize returns while minimizing landlord headaches.


