Mary Ann Cadorna

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

Broker (CA: 01345274)

4 years experience

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

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@gmail.com

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

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)

$1,268,273
Avg. Listing Price
From Mary's portfolio
3.7 / 2.8
Avg. Beds/Baths
Typical property size
2,320 sf
Avg. Square Footage
Interior living space
1999
Active Listings
Current inventory

Professionals who need direct access to working real estate agents in Contra Costa County turn to this list for one reason: it gets results. Mortgage lenders, title companies, and insurance providers use it to pitch services directly to the agents who influence their clients' decisions. PropTech companies rely on it to demonstrate tools to an active, local audience. Recruiters use it to identify experienced agents worth poaching. Continuing education providers use it to fill course seats before license renewal deadlines hit.

When you buy a Contra Costa County real estate agent email list, you are not guessing at who works in this market — you are reaching {{AGENT_COUNT}} verified, actively licensed agents with confirmed email addresses, plus {{CELL_COUNT}} agents who also have cell phone numbers on file. That combination of volume and verification is what separates a productive campaign from a wasted budget.

Why Buy a Contra Costa County Real Estate Agent Email List From Dr Bill

Every record in this list is sourced directly from the California Department of Real Estate licensing database, so you are never working with fabricated or scraped data. New emails are added weekly, the full list is cleaned monthly, and the entire dataset is rebuilt from scratch twice a year. That discipline produces a 96% deliverability guarantee — a number that cheap list vendors simply cannot match because they are not doing the ongoing maintenance required to earn it.

Dr. Bill has been in this business since 2005 and has sold over 31,000 lists in that time. The experience shows in the structure of the data. You can filter by state, county, city, or zip code — and no other vendor offers zip code-level segmentation within Contra Costa County. That granularity alone justifies the purchase for anyone running a geographically targeted campaign.

How to Use This Contra Costa County Agent List

Cold email is the most scalable use case. Load the list directly into platforms built for outreach at volume — Zap Contact at zapcontact.com is purpose-built for this and handles deliverability, follow-up sequences, and compliance cleanly. Beyond email, the cell phone data supports direct SMS or call campaigns, and the full records can be used for LinkedIn audience matching to reinforce your message across channels.

Segmenting by license type sharpens your results significantly. Separating broker licensees from sales agents lets you tailor your pitch — brokers control vendor relationships and influence entire offices, while sales agents are often the better target for individual services like CE courses or personal insurance products. Direct mail append is also available for campaigns that benefit from a physical touchpoint.

Why Contra Costa County, California Agent Data Matters

Contra Costa County covers a diverse and densely populated stretch of the East Bay, including active markets in Walnut Creek, Concord, Antioch, Richmond, Brentwood, and Pleasant Hill. Each city has its own agent community, transaction volume, and buyer profile. A campaign built on zip-level targeting inside this county reaches the right agents in the right submarkets instead of drowning your message in a statewide blast.

With {{AGENT_COUNT}} actively licensed agents operating across these cities, the addressable audience here is substantial enough to support serious outreach campaigns. Local targeting at this scale means your cost per meaningful contact drops while your relevance to the recipient goes up — which is exactly why county-level lists consistently outperform broader geographic pulls.

Current Property Listings

As of 6/27/2026, Mary Cadorna has 1 property for sale in Pleasant Hill and surrounding areas.

$679,000

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.