Contact Us
Last updated August 3, 2026
We are a small team and we answer our own email. Every message below reaches a person, normally within one business day.
| What you need | Where to send it |
|---|---|
| Order status, shipping, returns, anything about a purchase | support@coastlineresearchsupply.com |
| Lot documentation request (include your order number) | support@coastlineresearchsupply.com |
| Privacy request under section 9 of our Privacy Policy | support@coastlineresearchsupply.com — subject line "Privacy Request" |
| Wholesale, institutional, or bulk enquiries | support@coastlineresearchsupply.com |
Mailing address
Coastline Research Supply LLC
4290 E. Pacific Coast Hwy, Suite A, Long Beach, CA 90804
Please do not send returns to this address without a return authorization. Contact support first and we will give you the correct return address and reference number.
Hours
Monday to Friday, 9:00am to 5:00pm Pacific. We are closed on federal holidays. Messages sent outside those hours are answered the next business day.
One thing we cannot help with
We do not provide dosing information, administration protocols, medical or veterinary advice, or any guidance on use in or on humans or animals, and we cannot answer questions framed that way. Everything we supply is for laboratory research use only. See our Research Use Policy.