If you need assistance, please call 310-770-4121


Meet The Team!

Concepcion G. Orellana

DRE# 01513664

Concepcion Guadalupe comes to the Real Estate profession with decades of experience as an entrepreneur, starting and owning successful businesses in the fashion industry and transportation sector. In her time as entrepreneur Concepcion also acquired knowledge in buying and selling commercial properties of her own, as well as residential investments properties. Concepcion Guadalupe enjoys spending time with her children and grandchildren, loves fashion design, golf, art and looks forward meeting and service all your Real Estate needs !

Cynthia .

Real Estate Agent

DRE# 017992535

I am here to assist you to find your dream home!!

Jordana “Jojo” Treadwell


DRE# 02116732

Jordana “JoJo” Treadwell was born in Amarillo TX and as part of a military family, moved every three to four years during her childhood (Texas, Florida, Virginia, and Germany). She comes from a background of 11 years as a therapist working with emotionally disturbed youth and families; 10 years as a stay-at-home mom; and 15 years as a Wellness Coach at Weight Watchers. She brings genuine empathy, a strong desire to help others learn and grow, and successful problem-solving skills to her real estate clients. JoJo Treadwell attended Longwood College and Michigan State University, earning a Bachelor of Science degree and a Masters of Social Work. Her diverse skills and experiences give her a unique insight into best practices for honoring client strengths, supporting their decisions and advocating for them and their needs. JoJo Treadwell entered the Real Estate world to help others find the home that matches their needs and aspirations. JoJo draws upon her own experiences buying and selling homes as her family grew — and how the right real estate agent made all the difference. The Real Estate world felt like the perfect fit, and she hasn’t looked back. JoJo Treadwell lives in Upland, CA with partner and fellow Realtor Scott Jacobs. Together they share 6 children and 1 grandson. She lives for large family dinners, game nights, traveling with Scott, playing Mahjong with her girlfriends, and musical theatre.

Lisa Stein

Broker Associate

DRE# 01177006

Lisa Stein has over twenty five years experience as a real estate professional, with an extraordinary track record of exemplary service and dedication to her clients. Lisa is a Southern California native. She earned a Bachelor of Science degree in Finance at California State University Northridge and and a law degree from the University of Southern California. She practiced law in Los Angeles and later changed careers to work as a real estate broker and raise her family. Several years later Lisa relocated with her family to the Inland Empire and has brought her successful real estate career with her. Lisa works throughout Riverside, San Bernardino, Los Angeles and Orange County. Lisa brings her years of luxury real estate sales and marketing experience and impeccable professionalism to all of the properties and clients she represents. Lisa is a dedicated professional who is extremely grateful that she gets to do what she loves - finding her clients the home that makes their lives more fulfilling and assisting them in selling and buying residential real estate to achieve their financial and personal goals. Lisa has owned, remodeled and flipped several homes, owns rental property and has vast knowledge of the opportunities and expenses involved. Lisa has earned her National Association of Realtors Senior Real Estate Specialist Designation, which makes her better equipped to meet the specific needs of her senior clients. Lisa is a loving and involved mother to her young adult daughters. Lisa also volunteers extensively through the Corona chapter of the National Charity League where she serves on the Board as Treasurer. Another passion of Lisa’s is hiking and walking her dogs in her beautiful community of Eagle Glen in South Corona.

Luis Banuelos


DRE# 02040227

Mitch Stein


DRE# 02081632

As an agent who's an expert in this local area, I bring a wealth of knowledge and expertise about buying and selling real estate here. It's not the same everywhere, so you need someone you can trust for up-to-date information. I am eager to serve you.

Richard Diyommo


DRE# 01292893

Sam Jhin


DRE# 02068708

Scott Jacobs


DRE# 02116857

Scott Jacobs was born in Encino and raised in Glendora. He taught High School AP English for 17 years (In Palo Alto, Scottsdale AZ and La Verne). He is currently a private practice Life Coach and a Wellness Coach for WW (formerly Weight Watchers). Scott brings excellent communication and organization skills, the ability to successfully follow through and accomplish tasks, and a dedicated focus on client needs. Scott Jacobs attended UC Santa Cruz and earned a Bachelor’s degree in Architectural History with a minor in Logic. He was awarded Honors in his major as well as Honors in his exit thesis. Scott also earned a Masters Degree in Educational Leadership. These diverse interests provide Scott with unique insights to provide clients with the highest level of service throughout the home selling and buying journey. Scott Jacobs entered Real Estate because he was searching for something he would be good at, cared about, and could work together with his partner and fellow KW realtor Jordana ‘JoJo’ Treadwell. Scott Jacobs lives in his dream home in Upland with JoJo. Together they have 6 children (ages 16- 33) and one grandson. He spends free time on his road bike, jogging, baking bread, enjoying virtual ‘happy hours’ with friends, traveling with JoJo, and spending time with his children.

Steven Zarate

DRE# 01951947

Tara Turner

Director of Operations / Realtor

DRE# 02151755

Tiffany Lambo


DRE# 02152321

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Stein Team Realty - Keller Williams College Park
Mitchell Stein Dre# 02081632
2440 W Arrow Route #5C
Upland, CA 91786
DRE# 01885348

Based on information from California Regional Multiple Listing Service, Inc. as of January 19, 2022. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.
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