Where is CoStar Group headquartered?
CoStar Group is headquartered in Arlington, VA. Public office and operating-hub signals include Arlington, VA, Richmond, VA, Washington, DC, San Diego, London, Toronto.
- HQ
- Arlington, VA
- HQ address
- 1201 Wilson Boulevard, Arlington, VA 22209
- Offices
- Arlington, VA, Richmond, VA, Washington, DC, San Diego
- Founded
- 1987
- Employees
- 6,000+
- Largest hub
- Arlington, VA
CoStar Group office locations
CoStar Group's public footprint includes its headquarters and major business, technology, or regional hubs.
- Arlington, VA· Headquarters
- Richmond, VA· Office
- Washington, DC· Office
- San Diego· Office
- London· Office
- Toronto· Office
Where is CoStar Group's headquarters?
CoStar Group's headquarters is Arlington, VA, with public address signal 1201 Wilson Boulevard, Arlington, VA 22209. This is the best primary location for company-level routing, investor context, and executive proximity.
What other offices does CoStar Group have?
Public operating and career signals point to Richmond, VA, Washington, DC, San Diego, London, Toronto as additional hubs. These locations may reflect business units, technology teams, regional operations, or customer-facing offices.
What CoStar Group's office footprint means for territory planning
Territory planning should start with Arlington, VA for executive and enterprise functions, then map field activity to the offices that match the target business unit. Events, ABM, and account coverage work best when aligned to regional buyers, time zones, and operational hubs rather than a single national campaign.
As of June 2026.Sources:CoStar investor relationsCoStar Q1 2026 results
CoStar Group — frequently asked questions
