Departments
Find phone numbers and service information for major departments, offices, courts, and public service programs serving Alameda County, California. Browse the alphabetical directory to find help with property assessments and records, building permits, public benefits, health services, court matters, and voter registration.
Departments, Services and Phone Numbers
| Name | Services | Phone Number |
|---|---|---|
| Adoptions | General information about adoption services and support for adoptive families. | (510) 268-2422 |
| Adult and Aging Services | Supportive services for older adults and adults with disabilities. | (510) 577-1900 |
| Adult Protective Services | Reports of suspected abuse, neglect, or exploitation of older and dependent adults. | (510) 577-3500 |
| Alameda County Health | General administration and coordination of county health programs. | (510) 618-3452 |
| Area Agency on Aging | Information about aging programs and community support for older adults. | (510) 577-1907 |
| Assessor’s Office | Property assessments, assessed values, ownership records, and assessment exemptions. | (510) 272-3787 |
| Auditor-Controller’s Agency | County accounting, financial administration, and related agency inquiries. | (510) 272-6565 |
| Behavioral Health — ACCESS Referral Service | Information, screening, and referrals for mental health services. | (800) 491-9099 |
| Behavioral Health Department | General administrative inquiries about county mental health and substance use programs. | (510) 567-8100 |
| Board of Supervisors | County governance, policy matters, and assistance locating district offices. | (510) 272-6984 |
| Board of Supervisors — District 1 | Constituent assistance and county service questions for District 1. | (510) 272-6691 |
| Board of Supervisors — District 2 | Constituent assistance and county service questions for District 2. | (510) 272-6692 |
| Board of Supervisors — District 3 | Constituent assistance and county service questions for District 3. | (510) 272-6693 |
| Board of Supervisors — District 4 | Constituent assistance and county service questions for District 4. | (510) 272-6694 |
| Board of Supervisors — District 5 | Constituent assistance and county service questions for District 5. | (510) 272-6695 |
| Building Inspection and Permit Center | Building permits, inspections, and construction requirements in unincorporated areas. | (510) 670-5440 |
| Child Abuse Reporting Hotline | Reports of suspected child abuse or neglect. | (510) 259-1800 |
| Child Support Services | Child support applications, case assistance, payment questions, and support enforcement. | (866) 901-3212 |
| Clerk of the Board of Supervisors | Board records, meeting procedures, assessment appeals, and commission inquiries. | (510) 208-4949 |
| Clerk-Recorder’s Office | Recorded documents, birth and death certificates, marriage licenses, and marriage records. | (888) 280-7708 |
| County Administrator’s Office | County administration, budget coordination, and general administrative inquiries. | (510) 272-6984 |
| County Counsel | Inquiries concerning legal representation of county government. | (510) 272-6700 |
| District Attorney’s Office | General prosecution office inquiries and criminal case-related questions. | (510) 272-6222 |
| Environmental Health Department | Environmental health questions, regulated facility permits, and inspection inquiries. | (510) 567-6700 |
| Fire Department | Administrative inquiries, fire prevention, and fire safety inspection information. | (510) 632-3473 |
| Foster Care and Adoption | Information about becoming a foster or adoptive parent and related approval requirements. | (510) 259-3575 |
| General Services Agency | County facilities, purchasing, property management, and operational service inquiries. | (510) 208-9700 |
| General Services Agency — Procurement | County purchasing, vendor participation, and contracting opportunities. | (510) 208-9600 |
| Healthy Homes Department | Assistance concerning residential health hazards and safer housing conditions. | (510) 567-8280 |
| Household Hazardous Waste | Drop-off locations, accepted materials, and safe disposal of household hazardous waste. | (800) 606-6606 |
| Housing and Community Development Department | Housing programs, community development, and housing assistance inquiries. | (510) 670-5404 |
| Human Resource Services | County employment opportunities, recruitment, and personnel inquiries. | (510) 272-6471 |
| In-Home Supportive Services | Applications and case information for in-home assistance for eligible older adults and people with disabilities. | (510) 577-1800 |
| In-Home Supportive Services — Provider Information | IHSS provider and payroll inquiries. | (510) 577-1877 |
| Information Technology Department | General inquiries involving county technology administration. | (510) 481-3700 |
| Law Library | Information about legal research materials and law library resources. | (510) 208-4800 |
| Library — Administration | Systemwide library inquiries and assistance locating branches and library services. | (510) 745-1500 |
| Medi-Cal Information | Medi-Cal eligibility, application, and benefit case inquiries. | (510) 263-2420 |
| Ombudsman — Long-Term Care | Advocacy and assistance with concerns affecting residents of long-term care facilities. | (510) 638-6878 |
| Probation Department | General probation inquiries and assistance locating adult and juvenile service offices. | (510) 268-7050 |
| Public Administrator | Inquiries about estate administration handled by the Public Administrator. | (510) 577-3539 |
| Public Authority for In-Home Supportive Services | IHSS provider registry, training, benefits, and Public Authority service inquiries. | (510) 577-3552 |
| Public Defender — Main Office | General inquiries about public defense representation and office services. | (510) 272-6600 |
| Public Guardian | Inquiries concerning public guardianship and related conservatorship services. | (510) 577-3585 |
| Public Health Department | General public health questions and assistance locating health programs. | (510) 267-8000 |
| Public Works Agency | County roads, drainage, infrastructure, and public works service inquiries. | (510) 670-5480 |
| Registrar of Voters | Voter registration, ballots, election administration, and voting information. | (510) 267-8683 |
| Senior Information and Assistance | Help locating services and community support for older adults. | (800) 510-2020 |
| Sheriff’s Office — Administration | Administrative inquiries and general non-emergency service information. | (510) 272-6878 |
| Social Services Agency | Office inquiries and assistance locating public benefit and social service programs. | (510) 891-0700 |
| Superior Court — Jury Service | Questions about jury summonses, postponements, and jury service requirements. | (510) 879-3079 |
| Superior Court of California | General court information and assistance locating court divisions and services. | (510) 891-6000 |
| Surplus Property Authority | Inquiries concerning property managed by the county’s Surplus Property Authority. | (510) 670-5333 |
| Transportation Commission | Countywide transportation planning, projects, funding, and commission inquiries. | (510) 208-7400 |
| Treasurer-Tax Collector | Property tax bills, payments, delinquent taxes, and tax collection inquiries. | (510) 272-6800 |
| Vector Control Services District | Assistance concerning pests and animals that can transmit disease. | (510) 567-6800 |
| Veterans Services | Assistance with veterans’ benefits, claims, and related support services. | (510) 577-1926 |
| Welfare Information | Application and case information for CalWORKs, CalFresh, General Assistance, and Medi-Cal. | (888) 999-4772 |
| Zone 7 Flood Control and Water Conservation | Water supply, flood control, and water conservation inquiries. | (925) 454-5000 |