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Colleen Denise Cornell

Colleen Denise Cornell
Real Estate Agent (Salesperson)
Novato - CA

Salesperson (CA: 01489999)

21 years experience

REALTOR® 1 Active Listings Serves Marin County, CA
View on Realtor.com

About Colleen Cornell

Colleen Cornell, a San Francisco native, relocated to Marin County in 1972. She is married and the mother of two daughters who have experienced both public and private education in Novato. Before obtaining her real estate license, Colleen gained valuable insights by collaborating closely with her aunt, Donna Falzon, a seasoned real estate professional with over 30 years of experience.

At the age of 30, Colleen purchased her first home as a single woman, giving her a unique perspective on the needs of first-time buyers. Her dedication to her clients has consistently placed her among the top producers in Marin County, where she ranks in the top 10% of realtors. Colleen views real estate as a relationship-driven business, and she takes pride in the fact that a significant portion of her clientele comes from repeat business and referrals.

Her extensive experience spans properties from Sea Ranch in the north to San Mateo in the south, covering a wide range of locations in between. Outside of her professional endeavors, Colleen enjoys hiking and immersing herself in the natural beauty of Marin County.

**Mission Statement:** Colleen is dedicated to her clients, ensuring that every detail is managed to position them for success in their real estate endeavors. She is committed to facilitating smooth transactions while prioritizing her clients' best interests, serving all of Marin and Sonoma Counties with integrity and expertise.

Marin County, CA Real Estate Market Analysis (Single Family Homes)

$2,627,700
Avg. Listing Price
From Colleen's portfolio
3.7 / 3.0
Avg. Beds/Baths
Typical property size
2,515 sf
Avg. Square Footage
Interior living space
283
Active Listings
Current inventory

Marin County's real estate market stands as one of California's most exclusive and geographically diverse property landscapes, where million-dollar homes nestle against rolling hills and waterfront communities command premium prices. This affluent market north of San Francisco attracts buyers seeking luxury living with natural beauty, creating a unique ecosystem where properties routinely sell for well above state averages and inventory remains perpetually tight.

The county's 1,632 total actively licensed agents serve a sophisticated clientele across dramatically different terrain, from Tiburon's waterfront estates to Mill Valley's wooded enclaves. What makes this market particularly interesting is how these 1,632 agents with email connectivity have adapted to serve both tech executives seeking modern amenities and families prioritizing top-rated schools, all while navigating some of California's most complex zoning regulations and environmental constraints.

Major Marin County, California Real Estate Markets

San Rafael anchors the county as its largest city and commercial hub, offering relatively more affordable options while still maintaining Marin's signature quality of life. The city's diverse neighborhoods range from charming Craftsman homes in the Gerstle Park area to newer developments near the civic center, making it a focal point for first-time Marin buyers and those seeking urban conveniences without San Francisco price tags.

Mill Valley and Sausalito represent the county's premium waterfront and hillside markets, where properties regularly exceed $2 million and buyers compete for homes with Golden Gate Bridge views or redwood grove settings. Meanwhile, Novato in the north provides the county's most family-oriented market, featuring newer construction and larger lots that appeal to buyers prioritizing space and value within Marin's prestigious school districts.

Market Dynamics and Geographic Complexity

Marin County's real estate dynamics are heavily influenced by its geographic constraints, with hillsides, wetlands, and open space preserves limiting developable land and maintaining artificial scarcity. This creates micro-markets where a property's elevation, view corridor, or proximity to hiking trails can dramatically impact values, requiring agents to possess intimate knowledge of neighborhood-specific factors that don't exist in more uniform markets.

The market also experiences unique seasonal patterns driven by both school calendars and weather, as many buyers time purchases around the acclaimed Marin school system while sellers capitalize on the county's stunning spring and summer landscapes. Fire risk in hillside areas and flood considerations in low-lying regions add additional complexity layers that sophisticated buyers expect their agents to navigate expertly.

Why Businesses Need Marin County, California Agent Contact Data

Companies serving the luxury home market find Marin County agents invaluable for reaching high-net-worth clients who invest heavily in premium home services, from custom landscaping to smart home technology. These agents regularly work with clients whose home improvement budgets exceed most people's annual salaries, making them crucial referral sources for businesses offering high-end residential services.

The county's agent network also provides unique access to environmentally conscious consumers who prioritize sustainable building materials, solar installations, and eco-friendly home solutions. Given Marin residents' strong environmental values and substantial disposable income, businesses offering green products or services find these agent relationships particularly profitable for generating qualified leads and premium project opportunities.

Contact Information

Brokerage
Coldwell Banker Realty

Office Website
Office Address
7250 Redwood Blvd Ste 207
Novato, CA  94945
(Marin County)
Office Phone
415-897-3000
Office Fax
415-897-3067
Mobile
415-897-3000
Email
colleensellsre@************

Service Areas

Black Point-Green Point: CA Novato: CA

Current Property Listings

As of 1/15/2026, Colleen Cornell has 1 property for sale in Novato and surrounding areas.

$699,000

Listed 2025-09-10

29 Surrey Ln
San Rafael, CA  94903

Beds: 3.0
Baths: 1.5
Sq Ft: 1,440
Lot: 4,199 sf
Townhomes Map
View Full Details

Current Property Rentals

Colleen Cornell currently has no rental properties available in Novato and surrounding areas. Check back later.