CoStar Group email format
Based on 58 verified CoStar Group email addresses at costar.com, refreshed daily.
All format variants
10 contacts (17%) use non-standard addresses (nicknames, middle initials, shared inboxes) that don’t match a common pattern.
Don’t guess — 17% of CoStar Group emails break the pattern
Every CoStar Group recruiter in our directory has an individually verified address. Bounced guesses hurt your sender reputation.
See verified CoStar Group recruiter emails →FAQ
What is the email format at CoStar Group?
The most common CoStar Group email format is {f}{last}@costar.com — for example jsmith@costar.com. It accounts for 83% of the 58 verified CoStar Group contacts in our database.
How reliable is guessing a CoStar Group email address?
83% of verified contacts follow the top pattern, but 17% don't — nicknames, middle initials, and duplicate names break format guesses. A verified address avoids bounces that can hurt your sender reputation.
How do I find a specific recruiter's email at CoStar Group?
Browse the verified CoStar Group recruiter directory — each contact's individually verified address can be revealed with a free trial, which is more reliable than pattern guessing.