Local top real estate agents or brokers participating in HouseHunt will help you find homes for sale - residential real estate in Alameda, Berkeley, Castro Valley, Dublin, Fremont, Hayward, Livermore, Newark, Piedmont, Pleasanton, San Leandro and Union City in Alameda County of Bay area in Northern California. To find homes for sale, just click the active city name above. Feel free to directly contact the real estate agent, Realtor you will see on screen for Bay Area Real Estate for counties of Alameda, Contra Costa, San Francisco, San Mateo, Marin, Santa Clara and Sonoma in Northern California.