Procurement

* IMPORTANT MESSAGE *

The Purchasing Departments has a new process for submitting your Request for Proposals and larger Request for Quotations. Our goal is to capture all requests in one e-mail address. Upon sending an e-mail to this address, there will be an automatic notification sent out. Please see below:

E-MAIL ADDRESS:

rfprequests@co.imperial.ca.us


Beginning February 17, 2026, please submit all RFP’s and larger RFQ’s to the above email address. Should you have any questions feel free to contact the Purchasing Department.

Thank you.

Postage Rate Changes

Starting December 1, 2025

Item

Rate

First Class Presort

$0.644

Regular Metered First Class

$0.74

Small Priority Flat Rate Box

$12.60

Medium Priority Flat Rate Box

$21.95

Large Priority Flat Rate Box

$31.40

Flat Rate Express Mail Envelope

$33.40

Mail Room Surcharge

$0.415

Centralized Mail Services

Mail is collected from County Center I campus starting at 10:30am with the morning run and an afternoon run (CAC Building only) at 1:30pm. All mail picked up during this schedule goes out the same day. Inter-office mail is sorted and all metered mail is delivered to the U.S. Post Office by 2:15pm. Overnight and other services are listed below:

Carrier

Deadline

UPS

3:45 PM

Overnight USPS

11:30 AM

Certified and Registered USPS

2:00 PM