Anderson Commercial Real Estate Services

O: 805.543.1400 | F: 805.543.1401

798 Palm St. San Luis Obispo CA 93401


DRE# 00944530

Mark Anderson (Owner/Broker) earned a Bachelor of Science degree in Business Administration from California Polytechnic State University, San Luis Obispo, in 1986. His major was Finance with a concentration in Real Estate. Upon graduation, Mark obtained a real estate broker’s license from the California Department of Real Estate and began working as a real estate broker. For the next 31 years, Mark worked exclusively with commercial real estate, primarily in the City of San Luis Obispo.

In November, 2008, Mark opened Anderson Commercial Real Estate Services where he continues to offer the same quality leasing, sales, management and investment services. Mark has been involved with many projects in a capacity ranging from owner/developer, leasing agent and sales agent to property manager and consultant. He has represented many tenants throughout his professional career, including municipalities and corporations such as the County and City of San Luis Obispo, Wells Fargo, PG&E, Pacific Bell, Firestone Tires, and Tenet. In addition, he has worked with many local and national retailers including Trader Joe’s, Sherwin Williams, Aaron Brothers, Smart & Final, and Burger King.


DRE# 01252131

Derek Senn (Broker) has been active in local commercial real estate since 1998, when he moved back to San Luis Obispo from Seattle to join his father Charley in the family business. Derek represents buyers, sellers, landlords, and tenants in all categories of commercial property on the Central Coast, with an emphasis on the San Luis Obispo market.

Derek is proud of his solution-based approach to customer service. Transactions can oftentimes be derailed due to solvable problems related to financing, environmental concerns, or contractual disputes. Derek has successfully completed many transactions which necessitated a comprehensive, even-handed, problem-solving approach.

Some examples of Derek’s successful transactions include:

  • the representation of Meathead Movers in the purchase of  3600 Broad Street for their new corporate headquarters and mini-storage facility
  • the sale and subsequent remodel of the former Greyhound building on South Street to Quaglino Properties
  • the leasing of 20,000 sq. ft. of office space to SunRun at 775 Fiero Lane
  • the leasing of 15,000 SF at 872 Higuera Street to the Cal Poly Hothouse
  • the sale of several parcels of land across from the San Luis Obispo airport, which have since been developed, including the Harris Law Firm parcel. 

Derek is fluent in Spanish, which he learned during a one-year foreign exchange in Quito, Ecuador, following his graduation from San Luis Obispo High School. In 1993, Derek returned to South America with a friend to bicycle through Chile, Peru, Bolivia, and Ecuador for six months on a self-supported tour of the Andes. He graduated in 1996 with a bachelor’s degree in Latin American and Iberian Studies from the University of California, Santa Barbara.

Derek has participated as a mentor with Big Brothers and Big Sisters of San Luis Obispo County and is a graduate of the San Luis Obispo Chamber of Commerce Leadership Class XII. He has also been the featured speaker at several service organization luncheons, including Rotary and the Exchange Club.

Derek’s hobbies include trail running and writing and recording original music (check him out on Spotify!) His wife, Melanie, is a lecturer in the English department at Cal Poly. They have two school-aged sons, Diego and Charlie, who both play piano, ukulele, clarinet, and saxophone. The family enjoys hiking, surfing, camping—and playing music!


DRE# 00952817

Charley Senn (Broker) has over three decades of experience in commercial and industrial real estate sales, leases, development, tax-deferred exchanges, trades, and consulting. He has been involved in the successful negotiation of approximately 1,000 commercial/industrial real estate transactions. Charley’s common-sense approach to problem solving has been the key to his success in real estate.

Charley is a member of the Society of Industrial and Office Realtors which requires at least 7 years of outstanding performance and recommendations and approvals by leaders of the industrial/commercial real estate industry. He has been a member since 1985.

Born and raised in Toledo, Ohio, he graduated from the University of Toledo with both marketing and law degrees and is also an attorney, admitted to practice in the States of Ohio and Washington. He has been actively involved in Commercial Real Estate in San Luis Obispo since 1987 and prior to that was a partner in Michael Realty Company in Toledo, Ohio.

Charley has been very active in San Luis Obispo civic life. He served an eight-year term on the City Planning Commission and served four terms as a member of the board of directors of the Chamber of Commerce. He is also on the Board of the Local Economic Vitality Corporation.

When not at the office, Charley can most likely be found on a local hiking trail with his wife Ginny and his dog, Norm. Charley and Ginny have 4 children and are lucky enough to have 3 living in San Luis Obispo.


DRE# 01818341

Daisy Leon Guerrero (Admin) joined the Anderson Commercial Real Estate Services team in December of 2008. Along with maintaining the office's day-to-day functions, she also tracks and records financial transactions for all of ACRES' accounts.

Before joining, Daisy worked as a property manager, transaction coordinator, and licensed real estate agent in both San Luis Obispo and Santa Barbara Counties.


O: 805.543.1400 | F: 805.543.1401 | 798 Palm St. San Luis Obispo CA 93401 | BRE: 00944530