SF Bay Area Real Estate in June: The Numbers You Need Before You Buy or Sell

May 2025 Bay Area Single-Family Home Market Snapshot

From median prices to inventory shifts, Pat Kapowich has the insights you need for your next move. Here’s a detailed breakdown of the 9 counties in the Bay Area, accompanied by an infographic with current housing statistics taken from the California Association of Realtors.

1. San Francisco County

Covering an area of 46.9 square miles and home to 883,000 residents, San Francisco County serves as the iconic heart of the Bay Area. This compact peninsula is home to world-famous landmarks, including the Golden Gate Bridge, Alcatraz Island, and historic cable cars. From the foggy shores of Ocean Beach to the bustling Financial District, San Francisco offers a diverse range of neighborhoods, each with its own personality. Boasting a population density of 18,000 people per square mile, it ranks as one of the most densely populated areas in the United States.

2. San Mateo County

San Mateo County spans approximately 448 square miles on the Peninsula and is home to 765,000 residents. It offers an ideal mix of urban convenience and natural beauty. The county stretches from the Pacific Ocean to San Francisco Bay, encompassing diverse communities such as Half Moon Bay and the tech hubs of Menlo Park. San Mateo County also hosts the San Francisco International Airport and parts of Silicon Valley, with the prestigious Stanford University nearby. The western coastline features dramatic views of the Pacific Ocean, while the eastern Bayshore offers more tranquil water vistas.

3. Santa Clara County

The Bay Area’s largest in terms of population, with 1.9 million residents across 1,304 square miles, Santa Clara forms the heart of Silicon Valley. Home to some of the world's most influential technology companies, the county encompasses 15 cities, including San Jose (California's third-largest city), Mountain View, Palo Alto, and Cupertino. Residents enjoy a Mediterranean climate, cultural diversity, and proximity to both the ocean and the mountains.

4. Alameda County

Alameda County's housing market demonstrates impressive momentum in March 2025, with the median home price reaching $1.4 million. The county experienced a 23.1% year-over-year increase in sales volume, showcasing strong buyer demand. The Bay Area's modern Oakland and Berkeley remain particularly attractive to buyers seeking relative value compared to San Francisco, with growing inventory providing more homeownership opportunities. East Bay communities continue to benefit from hybrid work arrangements, allowing buyers to prioritize space and amenities while maintaining reasonable commutes.

5. Contra Costa County

Spanning 720 square miles and home to approximately 1.1 million residents, Contra Costa County extends from the eastern shores of San Francisco Bay to the Sacramento-San Joaquin Delta. This diverse East Bay region features prestigious communities in Lamorinda (Lafayette, Moraga, Orinda), alongside vibrant cities such as Walnut Creek, Concord, and Richmond. Mount Diablo, rising 3,849 feet, provides a beautiful backdrop and spectacular views. The county offers a blend of suburban comfort and easy access to urban amenities and outdoor recreation.

6. Marin County

Marin County, spanning 520 square miles and home to approximately 260,000 residents, is located just north of San Francisco, across the iconic Golden Gate Bridge. This naturally beautiful peninsula boasts remarkable geographical diversity, with 80% of its land designated as parks and open spaces. From the majestic redwoods of Muir Woods to the dramatic coastline of Point Reyes National Seashore, Marin offers unparalleled natural charm. The county features affluent communities such as Sausalito, Mill Valley, and Tiburon, all known for their exceptional quality of life.

7. Sonoma County

Sonoma County, the largest county in the Bay Area, spans 1,768 square miles and is home to around 500,000 residents. This picturesque destination in Wine Country boasts a diverse range of landscapes, spanning from the Russian River to the Pacific coastline.

8. Napa County

Napa County spans approximately 789 square miles and has 140,000 residents in the northeastern part of the Bay Area. Famous for its wine industry, the valley features over 300 wineries and a Mediterranean climate. Key communities include Napa, St. Helena, Calistoga, and Yountville, which are known for their Michelin-starred restaurants. Residents also enjoy natural hot springs, hiking trails, and a vibrant art scene.

9. Solano County

Solano County spans approximately 906 square miles and is home to 450,000 residents. It serves as a gateway between the Bay Area and the Sacramento Valley, featuring waterfront communities along Suisun Bay, fertile agricultural land, and suburban neighborhoods. Solano's strategic location offers convenient access to various regions while maintaining more affordable living costs compared to other counties in the Bay Area. Major cities include Vallejo (the former state capital), Fairfield (the county seat), and Vacaville, each offering a range of housing options and lifestyles. Travis Air Force Base makes a significant contribution to the local economy and community.

Share this with anyone exploring Bay Area real estate. Knowledge is power in any market.

Buying and selling real estate is a business decision. Work with a seasoned negotiator and Silicon Valley expert—Pat Kapowich at SiliconValleyBroker.com.

real estate negotiation, buyer and seller agent, Silicon Valley realtor