Auditor-Controller-Treasurer-Tax Collector
Find property tax bills, payment options and tax collection services.
Source checked October 12, 2026[1]sonomacounty.gov
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Contact details & office locations ↓Online services & information
These links were found on official source pages. Each service is handled by the office.
Official tax bills, balances and payment options. Read the office’s current requirements before continuing.
Fees
Fees are quoted only when a source document supports the amount and conditions.
Check the official website for its current fee schedule. No fee should be assumed to be free.
Forms & documents
Official forms and document pages for this office’s services.
Sources & last checked3 source pages · 5 citations
Sources were checked by an AI-assisted research process. A checked website does not mean every service or fee on it has been reviewed.
- [1] Sonoma County — departments directory (opens in a new tab)
Sonoma County · Department directory: Auditor-Controller-Treasurer-Tax Collector
Source reviewed October 12, 2026View supporting excerpt
Auditor-Controller-Treasurer-Tax Collector
- [2] Sonoma — property-tax current official instructions (opens in a new tab)
Sonoma County Tax Collector · Current official task page — main heading; replacement for the independently observed 404 destination
Source reviewed October 14, 2026View supporting excerpt
View and Pay Your Property Tax Bill Online
- [3] Sonoma County ACTTC — Contact us (opens in a new tab)
Sonoma County ACTTC · Property Taxes contact and department phone contact
Source reviewed October 14, 2026View supporting excerpt
(707) 565-2281
- [4] Sonoma County ACTTC — Contact us (opens in a new tab)
Sonoma County ACTTC · Auditor-Controller Treasurer-Tax Collector Department — Address
Source reviewed October 14, 2026View supporting excerpt
585 Fiscal Drive, Suite 100 Santa Rosa, CA 95403
- [5] Sonoma County ACTTC — Contact us (opens in a new tab)
Sonoma County ACTTC · Department contacts — Public Lobby Hours; separate from staff business and telephone hours
Source reviewed October 14, 2026View supporting excerpt
Public Lobby Hours (Monday - Friday) 9:00 AM - 5:00 PM