Important: USPS Postmark Update • Deer Park, TX
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Important: USPS Postmark Update

2022 - Home - News Carousel Posted on January 21, 2026

Don’t let a late postmark cost you! 📬

The City of Deer Park wants to ensure your payments and legal documents are always on time. Due to recent USPS processing changes, dropping mail in a blue collection box no longer guarantees a same-day postmark.

Why it matters: Many deadlines (like property taxes and utilities) are based on the postmark date. If your mail sits in a box for a day or two before being scanned, it could be marked late—even if you dropped it off on time.

How to stay safe:

✅ Mail items well in advance of the deadline.

✅ Take your mail inside the Post Office and ask for a hand-stamped postmark.

✅ Drop off payments in person at City Hall when possible.

Stay ahead of the deadline and avoid unnecessary late fees!


USPS POSTMARK (1)


  1. Deer Park Home Page

  1. City of 
    Deer Park

  1. 710 E. San Augustine

    Deer Park, Texas 77536

  1. Monday - Thursday         Friday

    7:30 AM to 5:30 PM        7:30 AM to 11:30 AM

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