Costar Group

Parent company of commercial real estate solution provider

placeWashington, DC, District Of Columbia, United States calendar_todayFounded 1987 groups6,152 employees language costargroup.com

Registered entities

Web presence

Audience by country — top 5 markets by share of visits.

CountryShare
United States86.1%
Canada3.2%
United Kingdom2.5%
India2.3%
Philippines1.2%

Innovation

34 patent families (8 granted) — focus: Physics & computing, Operations & transport; filing pace accelerating. Cited 371 times.

YearFilings
20131
20141
20151
20181
20221
20235
202412
20256
20264

Investor mix

2 investors on record.

Investor typeCountShare
Private equity150%
Bank & private debt150%

Share of voice

Share of voice in United States: 37.8% of web traffic across its competitive set; worldwide: 36.6%.

Hiring activity

Hires frequently

147 roles tracked across 8 of the last 12 months

10 Jun 2026 · Regional Director LoopNet Digital Advertising - Detroit · Detroit

6 Jun 2026 · Sales Engineer, Real Estate Manager & Visual Lease Denver, CO · Denver

20 May 2026 · Senior Product Designer, Visual Lease and CoStar Real Estate Manager · Richmond

20 May 2026 · Benefits and Leave Analyst, Costar Group Arlington, VA · Arlington

19 May 2026 · Account Executive, CoStar Data & Analytics Ontario, California (Inland Empire) · Ontario

Based on job postings tracked across public sources.

Coming soon