The Team

Peter Colbert, and WCCG, is in the top 1% of agents in sales per year selling well over $300 million dollars’ worth of Wine Country properties over the past three years. His areas of expertise surround Healdsburg, Glen Ellen, Sonoma, St Helena, Calistoga, Sonoma Coast, Sebastopol, Occidental, Napa, Petaluma and his hometown of Santa Rosa. Peter’s extensive experience results in a comprehensive understanding of challenging projects such as wineries, second home projects and remodels, pool and patio installation...

Heather Arnerich is a dedicated REALTOR® with the Wine Country Colbert Group since 2017, bringing a wealth of experience to every transaction. As both an agent and the team's assistant/Transaction Coordinator, Heather ensures smooth and successful real estate transactions by overseeing every detail, from inspections to marketing and compliance with California real estate laws. Her calm demeanor and efficient work ethic set her apart, making her a trusted partner for clients. Heather's deep roots in the community, comb...

Jill Peterson was born and raised in Santa Rosa and is a 6th generation Sonoma County native. She has been married to her husband, Dave, for 19 years and they have three children who keep them very busy! Having lived here her whole life, the love she’s developed for the area and the community has been a significant factor in choosing to raise her family here. Real estate has always been an important part of Jill’s life, as her grandfather, father and husband have been involved in the real estate business for decade...

Mark Altes is a Broker Associate. By working side by side with his clients, he is able to help them make the best decisions for all of their Real Estate transactions, based on market data and past experience with Real Estate. Being Born and Raised in the Wine Country is one of Marks biggest assets. With over 17 years’ experience in General Engineering Construction as well as General Construction, the vast array of knowledge Mark brings to the table is unsurpassable. Being involved in the development of large Esta...

Nicole, originally from the Central Valley, found her path to success in the ever-changing world of real estate. She honed her skills after completing her Bachelor of Arts degree at the University of Nevada, Reno, and then decided to make her home in the picturesque Wine Country. Before her current role, Nicole gained valuable experience in mortgage lending. She combines her knowledge from this previous role with her real estate expertise, providing her clients with a unique advantage. This blend of skills allows h...

Chris Asimos is a Bay Area native who is committed to excellence and is willing to do whatever it takes to get the job done. Chris graduated from the University of Oregon with a degree in Economics. Before pursuing a career in real estate, Chris spent many years as a management consultant in the aviation industry, followed by a few years in luxury wine sales in Sonoma County. Chris’ local area expertise, candid demeanor, and genuine desire to succeed are beneficial to his clients, whether they are looking to buy, sel...

Tyler Callahan, a native of the Bay Area, brings over a decade of expertise in staging and redesign to the real estate industry. Renowned for her invaluable contributions to showcasing homes in the greater Bay Area, Tyler's meticulous attention to detail offers clients a unique perspective and innovative solutions. Whether clients are buying or selling, Tyler is committed to guiding them through the process with transparency, integrity, and a personalized approach. Her goal is to ensure a smooth and successful real...