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How to send mail to Assemblymember Joe Patterson

To write to Assemblymember Joe Patterson, the Republican assemblymember representing California's 5th legislative district, address your letter to The Honorable Joe Patterson, California State Assembly, Rocklin Corporate Plaza, 6030 W. Oaks Blvd. Suite 145, Rocklin, CA 95765. This is Patterson's standing constituent-mail address — reachable year-round, unlike a capitol-session address. Say who you are, keep it to one issue, and make a clear ask.

California State Assembly — district office

The Honorable Joe Patterson
California State Assembly
Rocklin Corporate Plaza, 6030 W. Oaks Blvd. Suite 145
Rocklin, CA  95765

The address California's legislature publishes for Joe Patterson's constituent mail — reachable year-round, including when the legislature is out of session.

Verified September 2026senate.ca.govopenstates.org

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Your name
Your return address

The Honorable Joe PattersonCalifornia State AssemblyRocklin Corporate Plaza, 6030 W. Oaks Blvd. Suite 145Rocklin, CA 95765

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Key facts

  • Address mail to The Honorable Joe Patterson, California State Assembly, Rocklin Corporate Plaza, 6030 W. Oaks Blvd. Suite 145, Rocklin, CA 95765. Letters you send need normal postage.
  • Joe Patterson is the Republican assemblymember representing California's 5th legislative district.
  • Say who you are and where you live: include your full name and home address so Patterson's office can confirm you're a constituent — that's who casework and replies are prioritized for.
  • This is Patterson's standing constituent-mail address, not the state capitol — it's reachable year-round, including when the legislature is out of session, so it's the more reliable address for mail.
  • One clear ask per letter — support or oppose a specific bill, request help with a state agency, or ask for a meeting. A short, specific letter gets a real reply; a multi-issue letter gets a form response.
  • Find Patterson's official page and other contact options at https://ad05.asmrc.org.
  • PostPal prints your letter and hands it to USPS the next business day for $5 — no printer, envelope, or stamps.

How to send your letter

  1. 1

    Confirm Joe Patterson is your assemblymember

    Joe Patterson represents District 5 in the California State Assembly. If you're not sure which district you live in, look it up by address on your state legislature's website before writing.

  2. 2

    Say who you are and where you live

    Open with your full name, street address, and ZIP code. Legislative offices sort mail by whether the writer is a constituent — your address is how they confirm it.

  3. 3

    Keep it to one issue with a clear ask

    One page, one topic, one specific request — support or oppose a named bill, take a position, or ask for help with a state agency. Specific beats broad.

  4. 4

    Send it without printing anything

    Write your letter in PostPal with Joe Patterson's address prefilled and we print, envelope, and mail it via USPS the next business day for $5 — with a dated confirmation email.

Common questions

What is Assemblymember Joe Patterson's mailing address?

The Honorable Joe Patterson, California State Assembly, Rocklin Corporate Plaza, 6030 W. Oaks Blvd. Suite 145, Rocklin, CA 95765. This is Patterson's district office; letters need normal postage.

Why a district office and not the state capitol?

Most state legislatures are only in session part of the year, and capitol-office assignments can change every session. The district office is Patterson's standing, year-round address — the one California's legislature itself publishes for constituent mail.

Do I have to live in Patterson's district to write?

Anyone can write, but Patterson's office prioritizes constituents for casework and replies. If you live in the district, say so and include your address.

Will Joe Patterson actually read my letter?

Constituent mail is logged by staff and tallied on issues that come up repeatedly. Include your return address (PostPal prints yours automatically) so a reply has somewhere to go.

Sources

Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.

See the full California state legislators rules — what you can and can’t send, photos & more →

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