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How to send mail to Senator Jay Costa

To write to Senator Jay Costa, the Democratic senator representing Pennsylvania's 43rd senate district, address your letter to The Honorable Jay Costa, Pennsylvania State Senate, 4736 Liberty Ave. Suite 1, Pittsburgh, PA 15224. This is Costa'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.

Pennsylvania State Senate — district office

The Honorable Jay Costa
Pennsylvania State Senate
4736 Liberty Ave. Suite 1
Pittsburgh, PA  15224

The address Pennsylvania's legislature publishes for Jay Costa's constituent mail — reachable year-round, including when the legislature is out of session.

Verified September 2026legis.state.pa.usopenstates.org

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The Honorable Jay CostaPennsylvania State Senate4736 Liberty Ave. Suite 1Pittsburgh, PA 15224

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Key facts

  • Address mail to The Honorable Jay Costa, Pennsylvania State Senate, 4736 Liberty Ave. Suite 1, Pittsburgh, PA 15224. Letters you send need normal postage.
  • Jay Costa is the Democratic senator representing Pennsylvania's 43rd senate district.
  • Say who you are and where you live: include your full name and home address so Costa's office can confirm you're a constituent — that's who casework and replies are prioritized for.
  • This is Costa'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 Costa's official page and other contact options at https://senatorcosta.com/.
  • 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 Jay Costa is your senator

    Jay Costa represents District 43 in the Pennsylvania 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 Jay Costa'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 Jay Costa's mailing address?

The Honorable Jay Costa, Pennsylvania State Senate, 4736 Liberty Ave. Suite 1, Pittsburgh, PA 15224. This is Costa'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 Costa's standing, year-round address — the one Pennsylvania's legislature itself publishes for constituent mail.

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

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

Will Jay Costa 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 Pennsylvania state legislators rules — what you can and can’t send, photos & more →

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