Communicating with BHA The best way to communicate with BHA staff is via email or telephone. Please click here for our staff names, emails and phone numbers. The general number is 510-981-5470. BHA fax number is 510-981-5480. In this section BHA: Main navigation BHA Programs For Landlords For Tenants About BHA BHA/AHB Boards Other <i class="fa &lt;front&gt;" aria-hidden="true"></i> <span class="link-text">Updates & Measure BB</span> News NEWS More News