We are here 24/7 to assist you with your home buying and selling needs from start to finish.

Team Leader

Doug Buenz

Broker Associate | N 00843458

Home. It is much more than simply square feet and stucco and granite. It is our sanctuary, our foundation. A special place where we raise a family, or entertain friends, or simply enjoy our lives. Your home is indeed deeply personal. Because of this, it is important to find a professional Realtor who understands you, your lifestyle, and your requirements. You want to feel a connection. You need to trust their experience, skills, and professionalism. After all, this person will be assisting you with one of life’s biggest decisions. As a top REALTOR in the Pleasanton area, I understand why "home" is such a powerful and sacred word for my clients. My team and I are dedicated to helping you with all of your real estate needs.

Team Member

Carolyn McManus

Realtor Partner | N 02029115

Carolyn is a perfectionist and her attention to detail, responsiveness and practice of holding client's needs above her own has made her invaluable to the 680 Group.

Sociable, open minded, and proactive no one will work harder for your real estate goals than Carolyn. With her attention to detail and conscientious follow through, she is tenacious in her dedication to our clients, and her warm personality and professional manner allow our clients to rest assured their goals will be met. Carolyn's extensive knowledge of the local real estate market, the vast resources of Sotheby's International Realty and the belief that you, the client, is the most important element of the real estate equation, make Carolyn a respected agent and the Realtor® of choice for your next transaction.

Raised in Pleasanton, Carolyn has first hand experience with the neighborhoods and schools of Pleasanton and the cities surrounding the East Bay. She brings boundless energy and enthusiasm to the process, and helps make the transaction a seamless and enjoyable experience. Carolyn and her husband Mark have 2 school aged children and are involved in: Pleasanton Partnerships in Education, PTA, RAGE Soccer, the Firehouse Arts Theatre. Away from the office Carolyn enjoys exploring, hiking and biking our beautiful Bay Area trails, and spending quality time with family and friends.

Buying a home is one of the biggest life decisions you'll ever make. Throughout your home-buying experience I'll be there to support you, guide you, and be your advocate every step of the way. Your satisfaction is my highest priority. I've lived in the Bay Area most of my life, and my knowledge and understanding of the area will assist you in making the best choice when purchasing your home.

Judy Cheng

Realtor Parner | N 01408993

Judy was born and raised in China. She studied at China University receiving a bachelor degree in political science and law and her master degree in computer science. For the past 20 years she has lived in the Bay Area. Having experienced living in seven different Bay Area communities, Judy chose Pleasanton to be her home because of the relaxed sense of community and accessibility.

Having been a real estate agent for 14 years, Judy prides her self on being trustworthy and building and growing her business by referrals. Her repeat clients are a testimony to her work ethic and expertise. She truly loves the real estate business. Judy is fluent in both Mandarin and English, a true asset to the 680 Group. You can find Judy hiking the beautiful trails in her spare time. The Sunol Regional wilderness is her favorite. She also enjoys and watching movies in the sci-fi or comedy genre and spending time with her daughter and family

Cesar Alejandro Ortiz

Realtor Partner | N 02078183

We are proud to announce our association with Cesar Alejandro Ortiz. An integral part of Compass is the collaboration of high-caliber, capable professionals, and Cesar certainly fits that profile.

Cesar was born in Guadalajara, Mexico and was raised in Northern California before attending school at San Diego State University where he received dual degrees in International Business and Political Science. Cesar then went on to work for a Fortune 500 company in international tax & trade, and later became an Operations Manager for a construction company servicing both San Diego and the Tri-Valley area.

The transition to a dedicated real estate professional was an easy one for Cesar due to his experience in real estate investment combined with his knack for data analytics, organization and execution. Throughout his career, Cesar has exhibited excellent communication and a proven ability to cultivate internal and external relationships.

Cesar is distinguished by his passion for excellence and is committed to the highest level of care and service for his clients. He makes it a point to treat all of his clients as if they were a family member.

When you’re with Cesar, you’re with family.

Cesar specializes in finding exceptional homes in Pleasanton and throughout the East Bay. To talk to him about buying or selling a home, contact him at

Crystal Jackson

Realtor Partner | N 01899834

My husband and I have lived in Pleasanton for 20 years raising our three beautiful daughters. I am intimately familiar with the reasons why Pleasanton and the Tri-Valley area are consistently ranked top places to live in America thanks to their exceptional people, neighborhoods, schools and activities. My clients find my vibrant personality makes their real estate experience fun and leaves them saying WOW!

I have a passion for real estate and sales with several years of experience from my early career negotiating multi-million dollar deals for high-tech companies such as Oracle and Texas Instruments. I strive to provide “ultimate real estate satisfaction,” enabling my clients to find dream homes and realize dream sales while providing them with customer service that exceeds their expectations.
Doug Buenz Compass

Doug Buenz

Broker Associate | N 00843458



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