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Mary Ann Cadorna

Mary Ann Cadorna
Real Estate Agent (Broker)
Pleasant Hill - CA

Broker (CA: 01345274)

24 years experience

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

About Mary Cadorna

**Sincerity Realty: A Compassionate Approach to Homeownership**

With two decades of experience in the real estate sector, Mary Ann recognized a significant gap in support for first-time home buyers, sellers, and investors. In response, she founded Sincerity Realty, a full-service brokerage dedicated to offering a more personalized and empathetic experience throughout the buying and selling process. Understanding that anyone can submit an offer, Mary Ann emphasizes the importance of genuine care in her service, focusing on delivering the **three B's**: the **Best Home**, the **Best Location**, and the **Best Price**.

Sincerity Realty operates under the principles of an A+ rated Better Business Bureau-accredited business, ensuring clients receive trustworthy guidance and expertise.

**Client Testimonial:**
"Mary Ann makes you feel like family. She is a wonderful person, and I trust her completely. If you are looking for an honest realtor, Mary Ann is the one for you!"
— Francisca R., Concord

**Property Types Offered:**
- Single Family Homes
- Duplexes
- Triplexes
- Fourplexes
- Condominiums
- Townhomes

**Services Provided:**
- Listing Agent
- Buyer’s Agent
- Pre-Foreclosure
- Short Sale
- REO
- Probates

**Core Competencies:**
- Skilled Negotiator
- Problem Solver
- Solutions-Oriented
- Strong Interpersonal Skills
- Effective Communicator

**Mission Statement:**
To transform renters into homeowners, one American Dream at a time.

**Philosophy:**
Strive for excellence, give my utmost effort, persistently pursue success, and ensure every escrow closes.

**Accreditations:**
- A+ Rated by the Better Business Bureau
- Premier Service Award, City of San Francisco
- 5-Star Ratings on Facebook, Google, Zillow, Realtor, Trulia, and Real Satisfied

**Qualifications:**
- Real Estate Broker's License: 01345274
- 20 Years of Experience as a Licensed Realtor

**Certifications:**
- Equator Elite Agent
- Distressed REO Property Certified
- Luxury Certified
- Probate Certified

**Awards:**
- Award-Winning Agent
- Recognized Community Volunteer
- Premier Award, City of San Francisco

**Memberships:**
- National Association of Realtors
- California Association of Realtors
- San Francisco Association of Realtors
- Solano Association of Realtors
- National Association of Professional Women
- International Association of Professional Women
- Women of Distinction
- Top 100 Global Business Leaders

**Notable Transactions:**
Mary Ann has successfully facilitated numerous sales across various locations, including properties in Concord, Vallejo, Pleasanton, San Ramon, and more.

**Lease Rentals Available:**
- 728 La Playa, San Francisco
- 1279 Sheppard Ct, Walnut Creek
- 240 Copper Ridge, San Ramon

Mary Ann's commitment to her clients and her community sets her apart in the real estate industry, making Sincerity Realty a trusted choice for all homeownership needs.

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

$1,131,472
Avg. Listing Price
From Mary's portfolio
3.7 / 2.7
Avg. Beds/Baths
Typical property size
2,197 sf
Avg. Square Footage
Interior living space
1865
Active Listings
Current inventory

Contra Costa County's real estate market represents one of the Bay Area's most dynamic and complex landscapes, where suburban family neighborhoods meet industrial corridors and waterfront communities. With 11,034 total actively licensed agents operating throughout the county, this market demonstrates remarkable depth and specialization across diverse price points and property types. The sheer concentration of real estate professionals reflects the county's position as both a residential haven for Bay Area commuters and a standalone economic powerhouse.

What makes Contra Costa County particularly fascinating is its role as a bridge between San Francisco's premium market and the Central Valley's affordability. The county's 11,034 agents with email contact information represent a digitally connected professional network that spans from luxury waterfront properties in Danville to industrial developments in Pittsburg, creating opportunities for sophisticated marketing campaigns and targeted outreach across multiple market segments.

Major Contra Costa County, California Real Estate Markets

The county's real estate activity centers around several distinct metropolitan clusters, each with unique characteristics and agent specializations. Walnut Creek and Concord anchor the central corridor, where agents focus heavily on family housing and commercial development, while Lafayette, Orinda, and Moraga form the prestigious Lamorinda region known for top-rated schools and million-dollar properties. Meanwhile, Antioch and Pittsburg represent the county's most affordable markets, attracting first-time buyers and investors seeking value plays.

Eastern communities like Brentwood and Oakley have emerged as surprising growth engines, where newer construction meets agricultural preservation, creating unique opportunities for agents specializing in suburban expansion markets. The western waterfront areas, including Richmond and Hercules, blend industrial redevelopment with residential gentrification, requiring agents with expertise in both commercial transitions and community revitalization projects.

Market Dynamics and Geographic Complexity

Contra Costa County's market operates on multiple pricing tiers simultaneously, with median home prices varying by over $800,000 between different cities within the same county. This creates distinct agent ecosystems where professionals in Alamo and Danville rarely compete directly with those serving Bay Point or San Pablo, despite operating under the same regional market conditions. The county's BART accessibility significantly influences pricing patterns, with stations in Walnut Creek, Concord, and Pleasant Hill commanding premium valuations.

Agent specialization has become increasingly sophisticated, with many focusing on specific property types rather than geographic territories. Some concentrate on the county's substantial 55+ active adult communities, while others specialize in the region's significant inventory of townhomes and condominiums that serve as entry points for Bay Area professionals. The industrial and logistics sectors, particularly around Highway 4 corridors, support a robust commercial agent network serving warehouse and distribution facility demands.

Why Businesses Need Contra Costa County, California Agent Contact Data

Financial services companies find Contra Costa County's agent database particularly valuable because the market's price diversity creates opportunities across multiple lending products, from FHA loans in eastern communities to jumbo mortgages in central hillside areas. Insurance providers benefit from the county's varied risk profiles, ranging from wildfire-prone hillside properties to flood-consideration areas near the Delta, requiring targeted product offerings for different agent networks.

Technology and service providers discover that Contra Costa County agents operate in a uniquely competitive environment where differentiation matters significantly. With over 11,000 licensed professionals serving diverse communities, agents actively seek tools, marketing services, and platforms that help them stand out in specific neighborhood niches, creating substantial opportunities for B2B companies offering specialized real estate solutions and lead generation services.

Contact Information

Brokerage
Sincerity Realty

Office Website
Office Address
P O Box 23456
Pleasant Hill, CA  94523-0456
(Contra Costa County)
Office Phone
628-888-9078
Office Fax
661-297-4934
Mobile
925-905-1888
Email
maryanncadorna@************

Service Areas

San Francisco: CA Vallejo: CA American Canyon: CA Marin City: CA Muir Beach: CA Sausalito: CA Clyde: CA Pacheco: CA Concord: CA Bay Point: CA Walnut Creek: CA Benicia: CA

Current Property Listings

As of 2/7/2026, Mary Cadorna has 1 property for sale in Pleasant Hill and surrounding areas.

$699,000

Listed 2026-02-03

32 Romine Way
Vallejo, CA  94591

Beds: 5.0
Baths: 3.0
Sq Ft: 3,470
Lot: 7,819 sf
Single Family Map
View Full Details

Current Property Rentals

Mary Cadorna currently has no rental properties available in Pleasant Hill and surrounding areas. Check back later.