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How to send mail to Senator Christopher Cabaldon

To write to Senator Christopher Cabaldon, the Democratic senator representing California's 3rd senate district, address your letter to The Honorable Christopher Cabaldon, California State Senate, 555 Mason St. Suite 275, Vacaville, CA 95688. This is Cabaldon'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 Senate — district office

The Honorable Christopher Cabaldon
California State Senate
555 Mason St. Suite 275
Vacaville, CA  95688

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

Verified September 2026senate.ca.govopenstates.org

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The Honorable Christopher CabaldonCalifornia State Senate555 Mason St. Suite 275Vacaville, CA 95688

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Key facts

  • Address mail to The Honorable Christopher Cabaldon, California State Senate, 555 Mason St. Suite 275, Vacaville, CA 95688. Letters you send need normal postage.
  • Christopher Cabaldon is the Democratic senator representing California's 3rd senate district.
  • Say who you are and where you live: include your full name and home address so Cabaldon's office can confirm you're a constituent — that's who casework and replies are prioritized for.
  • This is Cabaldon'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 Cabaldon's official page and other contact options at https://sd03.senate.ca.gov/.
  • 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 Christopher Cabaldon is your senator

    Christopher Cabaldon represents District 3 in the California State Senate. 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 Christopher Cabaldon'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 Senator Christopher Cabaldon's mailing address?

The Honorable Christopher Cabaldon, California State Senate, 555 Mason St. Suite 275, Vacaville, CA 95688. This is Cabaldon'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 Cabaldon's standing, year-round address — the one California's legislature itself publishes for constituent mail.

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

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

Will Christopher Cabaldon 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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