Mario Lopez

Mario Lopez

Broker - REALTOR®

Languages Spoken:

  • English
  • Spanish
  • 773-208-6414
  • 773-466-1476
  • 773-792-6867
  • 708-867-5454
  • 4728 N Harlem Avenue
    Harwood Heights, IL 60706
Contact Me

Welcome to my Website

When you are looking to buy or sell real estate in Illinois, you need a licensed and professional real estate broker. As a Licensed Broker in Illinois, I am qualified to assist you through the process.

Whether you are searching for a broker with a particular specialization or for an agent that's local, you've come to the right place. I am part of a large team of professionals with Century 21 Affiliated.  Either myself, or a member of our team can assist you with virtually all your real estate needs.  

Bienvenido a mi sitio de red

Cuando usted quiera comprar o vender propiedad en Illinois, usted necesita un agente de bienes raices profesional licenciado. Como agente licenciado de bienes raices en Illinois, estoy calificado para ayudarle en el proceso.

Si usted busca un agente con una especializacion particular o un agente local, usted ha llegado al sitio correcto. Soy parte de un equipo grande de profesionales con Century 21 Affiliated. Yo mismo o un miembro de nuestro equipo le podemos ayudar con cualquier necesidad en cuanto a bienes raices.

Le invitamos a usar este sitio de red y estamos a la orden.


  • Loyola University - Graduate School - Ed. D.
  • Northeastern Illinois University - BA
  • St. Xavier University - MBA - Instructional Design
  • Lindblom Technical High School

Selling a Home, I WILL GET IT DONE!

When you list your home with Century 21 Affiliated, we know that our name is not enough to get it sold. We subscribe to the Multiple Listing Service (MLS), a database of properties available for sale. We also offer marketing programs that utilize all available media.

Every seller has a specific set of needs and works within a specific set of circumstances. I can develop custom ads, flyers, brochures and other communication pieces and strategies for your property so that buyers can easily your home.

Technology is a big piece of the puzzle, and CENTURY 21 Affiliated has always believed in harnessing the power of new programs, systems and products in order to provide the best service to our customers.

I would like to apply for the job of being your REALTOR.  Call, Text or Email me to get started today.


Your house is one of the biggest – if not the biggest – purchases you’ll ever make. It is also the place where you will create memories, chase dreams, and anchor your world. It’s true: The right home can both protect and nurture not only your investments but also your ideals.

To find that home, you need to work with the best company and the best REALTOR. You want an agent that is well-trained and accessible and one who know how to navigate any kind of market to get you to the home where you belong.


When we find your dream home, I want your offer to be as strong as possible. Offers that are submitted with a Pre-Approved letter from a reputable lender carries a lot of weight.

To get started, you need to understand the home loan process and know the current mortgage interest rates. 

I encourage you to set up a meeting, face-to-face, with a loan officer.  Our preferred lender, GuaranteedRate, has a full range of loans available to meet most any scenario you have.

GuaranteedRate and Century 21 Affiliated works together for our clients.  Our preferred loan officers will work with you and your agent to get you a great rate and closed faster.  CLICK HERE to connect with a Loan Officer in your area.


You may be visiting my website as a prior client, friend, family member or interested buyer or seller.  Whatever brought you to my real estate website, I hope you find what you're looking for.

I encourage you to set up a home search on my site by clicking on the SIGN IN link located in the upper right corner of this website.

By SIGNING IN you will have access to:

  • Save your searches and receive email notifications whenever new listings match your criteria
  • Manage your saved searches at any time
  • Save listings to your Favorites folder
  • Manage your Favorites wherever you see the Favorites icon

You're welcome to search on your own without registering or, to make it easier, let me know what you are looking for and I’d be happy to set you up.


  • REO Properties


  • Equal Housing Opportunity
  • Realtor

CENTURY 21 & Century 21 Affiliated: The Gold Standard


A proven record of success.  Century 21 Affiliated has over 40+ years of experience.  In 2013, Century 21 Affiliated earned the prestigious honor as the #1 Century 21 Company in the World in closed units. 

With 60+ offices throughout Chicagoland, Northern Illinois, Wisconsin, Southwest Michigan and Northwest Indiana, our dedication to providing our customers with service that is professional, courteous and responsive is our pledge to you.

CENTURY 21:  The Gold Standard

CENTURY 21 is the Gold Standard, the company with the highest quality, the highest expectations and highest standards.

In 2013, the CENTURY 21 System was found to have the highest brand awareness and the most recognized name in real estate when consumers presented with a list of real estate agencies, a trend CENTURY 21 has upheld since 1999.


I have provided you with an outline of my expertise and that of my company. I would like to extend my personal and professional commitment to you.

As your CENTURY 21 Affiliated REALTOR® I will:

    • Provide you with excellent service and support
    • Communicate with you every step of the way
    • Represent your interests ethically and professionally
    • Make every effort to make your next real estate transaction as smooth as possible

Let me go to work for you!