About Us2018-06-12T18:53:36-07:00

Courtney O’Steen &

The O’Steen Group

Cutting edge marketing, reliable knowledge,

and exemplary customer service.

As a working REALTOR® Courtney has a knack for the industry. She was awarded with the prestigious “Millionaires Club” certificate acknowledging her tenacious dedication to the industry. As a client you can be confident Courtney will provide you with cutting edge marketing, reliable knowledge and exemplary customer service.

As a go-getter in the industry, she has earned an outstanding reputation in Real Estate sales due to her extensive background in property management with Lewis Group of Companies. Courtney is a proud volunteer with Steven’s Hope for Children, a non-profit organization that provides transitional care between hospital and home. Raised in the City of Chino, CA on her family ranch it gave her a firm understanding of a hard day’s work and the reward that can be reaped from such dedication. As a mother of two children, a wife of 17 years and an animal lover Courtney is passionate about people and it shows in her service to others.

  • Heart of a Servant, win-win or no deal. We promise to be honest with you at all times regardless of the news we need to deliver.

  • Superb Communication, Monday status updates will be delivered to your inbox with a summary of what progress has occurred. Tracking analytics will be emailed directly to you with the source of most traffic ie. Facebook, Google, etc.

  • Cutting-edge Marketing, TourFactory professional photography is used for all of our listings regardless of price point. HD Video and drone photography is also available.

  • If you are purchasing a home, we will create a personalized Matrix portal that sends you daily alerts on new listings and price reductions. You will be able to communicate your desires and personal preference in this portal. Alerts will be sent to us when you have indicated interest in a property.

  • Red Carpet Service, Both Buyers and Sellers will fully understand all paperwork, contracts and addendums being utilized throughout the transaction and have a clear understanding of current market conditions and comparables.

  • WE will negotiate on your behalf and our Team Transaction Coordinator will inform you of contractual agreements and timeframes.

Courtney has been servicing the Real Estate needs of Southern California’s families, from luxury homes and new construction to investment properties and first time home buyers. There is no substitute for knowledge and experience. She was recently voted in the Top 20% of Realtors under 40!  She is a Top 10 Realtor in her Market Center and she serves on the ALC (Agent Leadership Committee) at her brokerage, Keller Williams.

Meet The O’Steen Team

Our team represents the best and the brightest in the real estate industry. We are here to guide you through the complex world of real estate and exceed every expectation in the process.

Kendle Markham

Buyer’s Specialist

CalBRE #01977206

People Person Extraordinaire, Fierce Negotiator, Customer Service Guru

Kenny O’Steen

Client Relations

CalBRE #02005613

Open House Handler, Master Marketing Distributor, Token Team Male


Nadine Sanchez

Team Manager

CalBRE #01913587


Event Planner Mastermind, Marketing Virtuoso, Organizational Genius, Customer Service Super Star

Our Promise

We’re continually in a “learning” frame of mind, always taking classes and teaching classes to keep our tools sharp. We lead with a business model that focuses on honesty and integrity. Our ultimate goal is to exceed our clients’ expectations, no matter how much time and effort it may take. We truly understand that buying or selling a home is a significant event in a person’s life and we’re fully prepared to do everything we can to make it a positive experience. We act as the V.P. to our clients, as they are the C.E.O., and we provide them the tools and information necessary to make a good decision on finding the right property or getting the best price for their home.