Thinking about buying or selling a home in Marin County? You're in the right place. Below are answers to the questions I hear most often from buyers and sellers across Mill Valley, Tiburon, Belvedere, Sausalito, Corte Madera, and surrounding communities. If you don't see your question here, I'm always happy to talk — reach me at (917) 863-9152 or [email protected].
Julie Upton is a Marin County real estate agent with Compass and nearly 20 years of local experience. She specializes in luxury home sales across Mill Valley, Tiburon, Belvedere, Sausalito, Corte Madera, Kentfield, San Anselmo, and Larkspur. Known for exceptional client service, off-market access, and a results-driven approach, Julie has represented buyers and sellers in transactions ranging from $1M to over $6.7M.
As of 2026, the median home price in Marin County is approximately $1.3–1.4 million, though luxury communities like Belvedere, Tiburon, and Mill Valley regularly see homes priced between $2M and $7M+. The market remains highly competitive, with well-priced homes often receiving multiple offers. Contact Julie for a current market update specific to the neighborhood you're interested in.
Yes. Julie works extensively with buyers throughout Marin County — from first-time homebuyers to experienced buyers purchasing luxury properties. She provides access to both on-market listings and exclusive off-market opportunities through her strong local agent network and Compass's Private Exclusives program. She is known for her responsiveness, deep neighborhood knowledge, and honest, straightforward guidance.
Julie takes a strategic, data-driven approach to selling homes in Marin County. This includes detailed comparative market analysis, expert staging guidance, professional photography, and targeted digital marketing through Compass's platform. Her meticulous attention to detail and proactive communication ensure sellers are informed and confident at every stage — from listing prep to the close of escrow.
Yes. One of Julie's key advantages is her access to off-market and pre-market properties through Compass's Private Exclusives and Coming Soon programs, as well as her extensive network of local agent relationships. Many of her buyer clients have secured homes in Mill Valley, Tiburon, and Belvedere before they ever appeared on Zillow or Realtor.com.
The Compass Concierge program covers the upfront costs of home improvements — such as painting, staging, flooring, and landscaping — before your home goes on the market, with no interest and no fees until closing. This allows sellers to present their home at its best without out-of-pocket expenses. Julie can walk you through how the program works and which improvements typically deliver the highest return in the Marin County market.
Julie Upton has been living and working in Marin County for nearly 20 years, after relocating from Manhattan's Upper West Side. She holds a Master of Science from Boston University and brought extensive experience in marketing, communications, and media — including work featured in The New York Times, Washington Post, and Time Magazine — to her real estate practice. She is licensed with Compass (CA DRE# 02077214).
Julie Upton has completed transactions across Marin County, with particular depth in Mill Valley, Tiburon, Belvedere, Sausalito, Corte Madera, Kentfield, San Anselmo, and Larkspur. She has sold homes ranging from approximately $1M to $6.7M across these communities. Whether you're drawn to the walkable downtown of Mill Valley, the waterfront views of Tiburon and Belvedere, or the family-friendly feel of Corte Madera and Kentfield, Julie can provide honest, first-hand guidance on each area.
You can reach Julie directly at [email protected] or by phone at (917) 863-9152. Her office is located at 250 E Blithedale Ave, Mill Valley, CA 94941. She is highly responsive and typically replies within a few hours. You can also request a free home valuation or schedule a consultation directly on this website.
Marin County's real estate market has remained strong, with limited inventory and consistent buyer demand — particularly in the luxury segment. Timing depends on your specific home, neighborhood, and goals. Julie offers free, no-obligation consultations to help you understand your home's current market value and the best strategy for your situation. Contact her to get a personalized assessment.
Julie combines nearly 20 years of Marin County market knowledge with the technology and marketing resources of Compass — one of the most sophisticated brokerages in the country. She is known for direct communication, meticulous preparation, and a genuine commitment to her clients' outcomes. Before real estate, she earned national recognition as a health journalist and CPG marketing specialist, skills she applies directly to pricing strategy, home presentation, and negotiation.
I offer free, no-pressure consultations for buyers and sellers throughout Marin County. Whether you're ready to move or just starting to explore your options, I'm here to help.