Timothy R. Sullivan

With more than 38 years of experience, Tim Sullivan is a seasoned real estate professional known for his steady guidance, deep market knowledge, and unwavering commitment to his clients. His long-standing career has made him an expert in every facet of buying and selling homes, and his clients rely on him for his clear communication, thoughtful strategy, and calm, confident approach.

Tim’s passion for real estate shows in the way he works—always attentive, always prepared, and always advocating for his clients’ best interests. Behind the scenes, he’s meticulous and proactive, ensuring each transaction moves forward smoothly and without surprises. His clients consistently praise his ethics, honesty, and loyalty, describing him as a trusted advisor who goes above and beyond.

Whether helping sellers achieve top value or guiding buyers toward the perfect home, Tim brings energy, dedication, and genuine care to every relationship. Seeing his clients happy and settled is what drives him, and it’s why so many return to him again and again.

Tim is an active member of the Petaluma Chapter of Realtors, as well as the National and California Associations of Realtors. He holds a B.S. in Psychology from San Francisco State University—where he earned Dean’s List honors—and has proudly called Petaluma home since 1980. A real estate professional since 1987, Tim remains deeply committed to serving his community with integrity, expertise, and heart.

Client Testimonials

“Tim’s ethics and honesty are above reproach. He was our advocate every step of the way.”
— Noland Alexander

“Tim is always great to work with.”
— L. Martin

“Tim stuck with us through thick and thin for several years. We could not have asked for a more loyal person to help us through this process.”
— R. Smith

Local Roots

Petaluma resident: 1980–present
Marin County resident: 1972–1980
San Francisco native

Professional Affiliations

Petaluma Chapter of Realtors
National Association of Realtors
California Association of Realtors

Achievements

International Diamond Society – Sales Production Award
Client Service Award
San Francisco State University – B.S. Psychology, Dean’s List