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Tania De Groot

Tania De Groot
Real Estate Agent (Salesperson)
Walnut Creek CA

Salesperson (CA: 01094898)

36 years experience

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

Contact Information

Brokerage
Better Homes And Gardens Real Estate Reliance Partners

Office Website
Office Address
1555 Riviera Ave Ste E
Walnut Creek, CA  94596
(Contra Costa County)
Office Phone
925-938-9200
Office Fax
925-943-7409
Mobile
925-938-9200
Email
tani*********@*******.com
Show Email for $5
Website

Service Areas

Concord: CA Walnut Creek: CA Reliez Valley: CA Contra Costa Centre: CA Pleasant Hill: CA El Cerrito: CA Kensington: CA Richmond: CA Lafayette: CA Vine Hill: CA Martinez: CA Briones: CA Alhambra Valley: CA Mountain View: CA Pacheco: CA Moraga: CA Orinda: CA Canyon: CA Pinole: CA Sunol: CA San Miguel: CA Acalanes Ridge: CA Shell Ridge: CA North Gate: CA Piedmont: CA Oakland: CA Berkeley: CA Albany: CA El Sobrante: CA San Pablo: CA Rollingwood: CA

About Tania De Groot

Since obtaining her real estate license in 1990, this dedicated Realtor has built a reputation for her genuine commitment to clients in the East Bay. She prioritizes clear communication, thorough diligence, and prompt action to ensure that her clients' objectives are met effectively.

As a resident of Orinda, she is deeply engaged in her community. She serves on the Board of Directors for St. John the Evangelist Orthodox Church, is involved with the Orinda Senior Village, and contributes to the Friends of the Joaquin Moraga Adobe. Additionally, her participation in the Historic Landmarks Committee reflects her passion for preserving local heritage. Having raised her daughter in Orinda, she possesses a strong understanding of the local school district and community culture.

Originally from New York State, she graduated from Wellesley College with a Bachelor of Arts in Architectural History and pursued graduate studies in Urban Planning at George Washington University. After relocating to the Bay Area in 1982, she has enjoyed living in San Francisco, Sausalito, and various East Bay towns, while also exploring the broader region. She considers this area a remarkable place to call home.

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

$1,188,152
Avg. Listing Price
From Tania'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 3/27/2026, Tania De Groot has 2 properties for sale in Walnut Creek and surrounding areas.

$680,000

Listed 2026-02-06

2129 Ascot Dr Apt 15
Moraga, CA  94556

Beds: 2.0
Baths: 1.5
Sq Ft: 1,314
Condos Map
View Full Details

$405,000

Listed 2025-08-07

150 Shoreline Ct
Richmond, CA  94804

Beds: 1.0
Baths: 1.0
Sq Ft: 779
Lot: 2,178 sf
Condos Map
View Full Details

Current Property Rentals

Tania De Groot currently has no rental properties available in Walnut Creek and surrounding areas. Check back later.