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Mary S Bonham

Mary S Bonham
Real Estate Agent (Salesperson)
Alamo CA

Salesperson (CA: 01203856)

31 years experience

REALTOR® 2 Active Listings Serves Contra Costa County, CA
View on Realtor.com

Contact Information

Brokerage
The Agency
Office Address
3236 Stone Vly Rd W 2nd Fl
Alamo, CA  94507
(Contra Costa County)
Office Phone
424-230-3700
Office Fax
Mobile
925-997-1787
Email
mary*******@***********.com
Show Email for $5

Service Areas

Castle Hill: CA Diablo: CA Alamo: CA Danville: CA Norris Canyon: CA San Ramon: CA Blackhawk: CA Camino Tassajara: CA

About Mary Bonham

With over 25 years of experience in real estate, this Realtor® brings a wealth of knowledge and expertise to the field. Specializing in commercial leasing, residential sales, and zoning law, they have a deep understanding of the Danville, Alamo, and surrounding areas.

Dedicated to delivering exceptional service, they prioritize professionalism, informed guidance, and effective negotiation skills. Recognizing that buying or selling a home is a significant life event—both emotionally and financially—they strive to make the process as smooth as possible through meticulous organization and diligence.

As a top producer in the Alamo and Danville regions, they take pride in the trust that clients place in them for their real estate needs. Known for their patience and compassion, their primary goal is to foster long-term relationships built on trust and mutual respect.

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

$1,188,152
Avg. Listing Price
From Mary's portfolio
3.7 / 2.7
Avg. Beds/Baths
Typical property size
2,203 sf
Avg. Square Footage
Interior living space
3220
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.

Current Property Listings

As of 2/11/2026, Mary Bonham has 2 properties for sale in Alamo and surrounding areas.

$9,750,000

Listed 2026-01-28

1749 Alameda Diablo
Diablo, CA  94528

Beds: 6.0
Baths: 9.5
Sq Ft: 8,010
Lot: 36,155 sf
Single Family Map
View Full Details

$2,689,000

Listed 2026-01-07

259 Fairway Dr
Danville, CA  94526

Beds: 4.0
Baths: 2.5
Sq Ft: 3,061
Lot: 20,038 sf
Single Family Map
View Full Details

Current Property Rentals

Mary Bonham currently has no rental properties available in Alamo and surrounding areas. Check back later.