Homeowner Notice

Updated 1/6/21:

On Wednesday, December 16, 2020 at approximately 7:00 PM, EBMUD experienced a sewage spill, which was captured within Lagoon No. 1 on Bay Farm Island, near Robert Davey Jr. Drive and Packet Landing Road. Beginning on the night of December 16, 2020, EBMUD began collecting water quality samples daily for analysis. Results from data as of December 24, 2020, indicated that the water quality in the lagoon no longer exceeds State Health Standards. EBMUD has removed the advisory and signs were removed on Saturday, December 26, 2020.

If you have questions regarding this advisory, please call EBMUD at (510) 287-1651 during business hours – Monday through Friday, 8 AM – 4:30 PM, or (866) 403-2683 after normal business hours.

Click here to download the Pump Station M Sanitary Sewer Overflow Data PDF

COVID-19 – Message From The Executive Director

Following federal, state, and local guidelines on social distancing and the Shelter in Place Order for Alameda County, the Community of Harbor Bay Isle Owners’ Association (CHBIOA) Offices and the Community Center will remain closed to membership and the public until further notice. CHBIOA staff are working to complete essential functions.  Non-essential functions will wait until the Shelter in Place order is lifted.  Email your association manager or leave a voicemail with them regarding essential concerns. When leaving a voicemail to reach your manager, please include:

  • Name
  • Property Address
  • Phone Number
  • Email Address
  • Item of Concern

The Security force is in operations. Similar to Alameda PD, it is requested that individuals call in or provide email reports.  Non-essential functions will not be conducted.

Landscape and maintenance will continue providing essential functions.

Homeowner dues may be deposited in the mailbox slot to the right of the Community Office front doors, under the window.

Thank you for understanding and helping us prioritize the safety of our staff, Community members, and visitors.

Dawn Jaeger
Executive Director

Welcome to the Community of Harbor Bay Isle Owners’ Association


Located on what was once Bay Farm Island, the Community of Harbor Bay Isle Owners’ Association is a 917-acre planned community in the City of Alameda at the geographic center of the San Francisco Bay Area. Harbor Bay Isle includes a Master Community (consisting of 20 separate project associations), two salt water lagoons, a business park, spectacular views of San Francisco Bay, and extensive opportunities for recreation in a park-like environment…truly a beautiful place to live, work and play.

Community News

Portfolio Association Manager – Job Posting

December 8, 2020

Join our team of Super Hero portfolio managers! The Community of Harbor Bay Isle Owners’ Association (CHBIOA), located in beautiful Alameda, California, is looking for you! CHBIOA is a large-scale community with a master board and twenty project boards. When we are fully staffed, each portfolio manager has only four associations so they can provide exemplary customer service. Every association is located in this […]

CLASS Annual Meeting – 11/16/20 at 7 PM

Join us for updates about our success with noise abatement and express your concerns about Oakland International Airport noise.

  • Updates
  • Discussions
  • Your Comments

Please Join Us Through ZOOM Meeting Link Below:

Register your airplane noise complaints at: FlyQuietOak.com or call (510)563-6463.

The more people that call and complain, the more responsive the Airport will be. Let us work together to reduce […]

All Community Events Cancelled

October 2, 2020

All Community events, including the E-Waste/Shredding event, have been cancelled through the end of the year.

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