Craig Semmelmeyer
Craig Semmelmeyer is Founder and Principal of Main Street Property Services, Inc. of Lafayette, California. Mr. Semmelmeyer acts as development partner and leasing agent on downtown properties and shopping centers throughout the San Francisco Bay Area. Property owners, developers, investors, and retailers alike seek his ability to provide retail solutions that respond to the marketplace and the needs of the communities they serve.
In addition to providing leasing strategies to property owners and developers, Mr. Semmelmeyer consults on the development and remerchandising of retail projects for institutional clients, developers, municipalities, and development partners. Some of the projects that Mr. Semmelmeyer has worked on include: Oakland City Center; The Marketplace at San Ramon; Ygnacio Plaza, Walnut Creek; Tassajara Crossing, Danville; Downtown Pleasant Hill; Lakeshore Plaza, San Francisco; Bel Aire Plaza, Napa; The Lafayette Mercantile; La Fiesta Square, Lafayette; Pacheco Plaza, Novato; Salvio Pacheco Square; and The Shops at Todos Santos Plaza in Downtown Concord.
Mr. Semmelmeyer’s contributions extend beyond the leasing of new and redeveloped projects and include the overall remerchandising and repositioning of projects throughout Northern California.
In his capacity as principal of Main Street Property Services, Mr. Semmelmeyer directs all company development efforts and is a partner in Main Street Pleasanton, LLC. This company successfully rebuilt and remerchandised two city blocks in Downtown Pleasanton. As a partner in the company, Mr. Semmelmeyer’s responsibilities included acquisition entitlement of new and redeveloped properties, coordination with architectural and construction contractors, merchandising, leasing, and property management.
Prior to founding Main Street Property Services in 1997, Mr. Semmelmeyer was a retail leasing specialist in the San Francisco headquarters of Terranomics Retail Services and TRI/McMasters & Westland Commercial Real Estate, Inc. in Walnut Creek. His ongoing commitment to the retail real estate industry is reflected in his role as speaker for various audiences. Mr. Semmelmeyer is an active member of the International Council of Shopping Centers (ICSC) and has also served as a member of the Northern California Program Committee for ICSC, which directs all programming efforts at the state level for the 40,000 member trade association. Mr. Semmelmeyer is a Licensed Real Estate Broker in the State of California.
Mike Semmelmeyer
Mike Semmelmeyer is a Principal of Main Street Property Services, Inc., where he specializes in retail property sales and leasing across the San Francisco Bay Area.
He represents buyers and sellers, as well as tenants and landlords, providing strategic guidance in site selection, lease negotiations, investment sales, and portfolio optimization. Mike’s balanced approach ensures that every client, whether an investor, retailer, or property owner, receives tailored solutions that align with their goals.
Before stepping into his leadership role at Main Street Property Services, Inc Mike built a diverse and accomplished career in both commercial real estate and renewable energy. Mike was part of the brokerage team at Colliers International and Main Street Property Services, where he honed his skills in market analysis, deal structuring, cultivating relationships with local, regional, and national retailers, and client representation in competitive real estate markets. Expanding his expertise beyond real estate, Mike also worked as a sales manager with Sunrun, a leading residential solar energy company, where he contributed to sales growth and customer engagement in the rapidly evolving clean energy sector.
Throughout his career, Mike has been the driving force behind the commercial real estate success of several major mixed-use new development projects and shopping centers throughout the San Francisco Bay Area. His extensive advisory portfolio consists of real estate titans such as Equity Residential, The Related Companies, Carmel Partners, Lowe Enterprises, Blake Griggs, Wood Partners and Prudential.
A proud United States Navy veteran, achieving the rank of Air Traffic Controller, Petty Officer, Second Class. Mr. Semmelmeyer served in Arlington National Cemetery as a casket bearer as part of the Presidential Honor Guard, Washington, DC. He brings the discipline, integrity, and mission-focused mindset he developed during his military service into every professional endeavor. His leadership style reflects a commitment to service, teamwork, and delivering results under pressure.
Known for his approachable demeanor and deep understanding of retail market dynamics, Mike is passionate about creating value for his clients while fostering vibrant, thriving communities.
Mr Semmelmeyer received a Bachelor of Science degree in Aeronautics from Embry-Riddle Aeronautical University in Prescott, Arizona. Mr Semmelmeyer is a licensed real estate salesperson in the State of California and an active member of the International Council of Shopping Centers (ICSC).
Charon Semmelmeyer
Charon Semmelmeyer is the Office Manager for Main Street Property Services, Inc. As the office manager she uses her keen organizational skills, twenty-five years of experience, and personable demeanor to maintain the high standards that have defined Main Street Property Services for the past two and a half decades.
Mrs. Semmelmeyer is instrumental in the coordination and administration of operations for the company including corporate bookkeeping, human resources, corporate compliance and maintenance of the company’s standards.
Main Street Property Services Clients appreciate Mrs. Semmelmeyer’s commitment to providing the highest level of service, maintaining excellent communication while going the extra mile to exceed the expectations of our clients and partners. Tenants, brokers, and vendors appreciate the grace that she brings to her profession each day.
Mrs. Semmelmeyer has mastered lease drafting, property accounting, lease administration and facility management and has been essential employee at Main Street Property Services, Inc. since 1999.
Mia Wu
Mia Wu is the Graphic Design Coordinator at Main Street Property Services Inc. In her role, Mia collaborates closely with marketing, leasing, and operations teams to develop creative assets that support property marketing, corporate branding, and client communications.
With a strong eye for detail and a passion for clean, effective design, Ms. Wu ensures visual consistency across digital and print platforms while balancing creativity with strategic objectives. Her work helps translate complex ideas into engaging visuals that resonate with diverse audiences and enhance the company’s overall market presence.
Ms. Wu’s collaborative approach, combined with her technical expertise and design sensibility, makes her a valuable contributor to Main Street Property Services’ ongoing growth and brand evolution.