California virtual mailbox for business
Receive your California mail at Castro Street in San Francisco. Every piece scanned, summarized, and searchable from wherever you are. We’ll even action your compliance mail if you need us to.
The CA virtual mailbox that helps you deal with your mail
AI mail handling
Your post scanned, summarized, and forwarded to the right team.
Security first
Built to stringent security standards, like the rest of your business.
Compliance services
Action compliance requests without even opening an envelope.
Your mailbox address: 584 Castro Street, San Francisco, CA
When you sign up, you receive a unique suite number at 584 Castro Street, San Francisco. This is a real commercial street address, not a PO Box. You can use it to:
- Receive mail from the IRS, the California Franchise Tax Board, and state agencies
- Register an LLC or corporation with the California Secretary of State
- Satisfy California's requirement for a physical registered office address
- List a business address on your website and invoices
- Keep your home address off public records
All mail from USPS, FedEx, UPS, and DHL is accepted at your suite.
Try free for 6 months
No charge for the first 6 months. Cancel anytime.
Features
Smarter than your average CA virtual mailbox
AI mail handling
Accelerate your mail handling with Postal’s advanced AI that summarizes incoming post, extracts deadlines, flags urgent items, and suggests next steps. All without you opening a single envelope.
- Never miss a deadline again with automated notifications.
- Chat directly with your mail for extra information and insights.
- Junk mail is auto-detected and sent to spam.
Compliance support
Easily pass off your compliance mail to an expert. Simply tag the Postal compliance team and we’ll make sure your compliance tasks and filings are actioned for you, before the deadline.
- Instantly pass compliance mail off to our team for action
- Stay compliant with changing laws and regulations
- Specialized in corporate licensing and insurance compliance
Secure and private
Protect your data with a secure virtual mailbox from Postal. Stringent security ensures that your data is encrypted, redacted when needed, and access controlled.
- Your data is protected at rest and in transit, so it’s never exposed as it moves through our systems.
- Postal runs redaction models on extracted text from documents, limiting the scope of data that large language models use to analyze your documents.
- Only the people who need it can reach your data, every action is logged, and everything is backed up to prevent data loss.
Premium virtual mailbox address
Give your business the address it deserves with a premium location in a major US city. Whether you’re based locally, interstate, or internationally, Postal gives you a unique street address in a prestigious US location.
- Your own address with a unique suite number.
- Sought-after street addresses like Castro St in San Francisco.
- A permanent address for registration, tax, and all incoming mail.
Who uses a California virtual mailbox
Californian distributed teams
Postal gives distributed teams a shared California address that ensures mail never goes missing and is easily routed to the right teammate.
Californian businesses located interstate
For businesses registered in California but located elsewhere, Postal helps you stay on top of your compliance obligations. FTB notices, Statement of Information reminders, and registered agent filings can all be handled for you.
International companies doing business in California
Before you have a California office, you need a US address for your bank, your vendors, and US tax correspondence. Postal gives you that address from day one, with every piece of mail scanned and accessible to your team wherever they're working.
The kind of mail you can expect in California
A California business generates a steady stream of paper. All of it needs to be seen by you.
Banking.
US business banks and the newer startup banks send cards, verification letters, and account notices to the address on file.
Payment processors.
Stripe, PayPal, and marketplace accounts send verification documents and occasionally physical mail tied to your business address.
Federal and state tax mail.
The IRS and the California Franchise Tax Board both correspond on paper, from your EIN confirmation to later notices, sent to the address on your filings.
Vendors and suppliers.
Contracts, invoices, and account paperwork from anyone you do business with.
Investors and legal counsel.
Cap table documents, closing sets, and correspondence that matter to your business.
Postal photographs every envelope, scans the contents, summarizes what each letter says, and flags anything with a deadline. You either action it yourself or tag in the Postal team to do it for you.
Virtual mailbox pricing
The first 6 months is completely free. Cancel anytime during that period and you won't be charged.
Startup
For small to medium businesses with standard mail needs
- 10 pieces of mail per month
- 1 permanent, physical street address
- 1 user (additional users $20 extra per month)
- 1 recipient (additional recipients $10 extra per month)
- Open/scan, forward, or shred mail
- Auto-scan, auto-ship
- AI search + summaries
- Junk mail filtering and disposal
Scaleup
For growing businesses with higher volume needs
- 50 pieces of mail per month
- 1 permanent, physical street address
- 1 user (additional users $30 extra per month)
- 1 recipient (additional recipients $10 extra per month)
- Open/scan, forward, or shred mail
- Auto-scan, auto-ship
- AI search + summaries
- Junk mail filtering and disposal
Enterprise
For organizations with special requirements
- High mail volumes
- Unique compliance needs (PII/PHI)
- Large numbers of entities / registered agent needs
- Document storage requirements
- Outbound
Registered agent
Meet your regulatory requirements in any state. Bundle multiple states and receive everything in a single dashboard.
Virtual address
Get a permanent address to be proud of. Included as part of the Postal virtual mailbox service.
How Postal works
Set up your California virtual mailbox
Sign up with Postal
Get your unique Castro St, SF address. The first 6 months is free.
Share your new address
Register your address with banks, the state, IRS and anyone you please.
Manage your mail from anywhere
Receive scanned, AI-summarized copies of your mail with deadlines and more.
Put compliance on autopilot
If you need it, we’ll action your compliance-related mail for you.
Choosing between California virtual mailboxes
Virtual mailbox providers are widely available in California, and most do the same basic job: photograph the envelope, scan the contents on request, and store everything in a dashboard.
Where they differ is in what happens with compliance mail. California businesses face a specific set of recurring obligations: Statement of Information filings with the Secretary of State, Franchise Tax Board correspondence, registered agent service, and annual minimum franchise tax notices.
A basic virtual mailbox puts those documents in a folder. Postal extracts the deadline, summarizes what's required, and can action compliance on your behalf if you’re short on time.
If your mail generates tasks, then you should try Postal. If you mainly receive personal letters or packages, you may only need a basic provider. Read our comparison of the top virtual mailboxes for a full rundown.
Run a California business from anywhere
California has some of the strictest business compliance requirements in the US. Postal keeps them from becoming a problem.
Never miss the Secretary of State's deadlines
California LLCs file a Statement of Information every two years. Corporations file annually. Postal flags those filings and any related correspondence automatically, so you know what's due and when.
Stay on top of Franchise Tax Board notices
FTB letters often include deadlines or penalties that aren't obvious from the envelope. Postal summarizes every notice and extracts the action required, so nothing sits unread while a deadline passes.
Give your California address out immediately
Your suite number is assigned at signup. You can register with the Secretary of State, open a bank account, and list the address on your website before your Form 1583 verification is even complete.
Try Postal free for 6 months
- Security compliant
- Change of address guidance
- Local customer support
Frequently asked questions
Answers to your questions about our California virtual mailbox service.
