Residential Real Estate was the largest of Costar Group, Inc.’s 2 reported lines in fiscal 2025, at $1.46B — 54% of $2.72B.
| Segment | FY 2009 | FY 2010 | FY 2011 | FY 2012 | FY 2013 | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2018 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Residential Real Estate | — | $1.01B | $1.22B | $1.46B | ||||||||||
| Commercial Real Estate | — | $1.10B | $1.16B | $1.26B | ||||||||||
| North America | $800.20M | — | — | — | ||||||||||
| Information & Analytics | — | — | — | — | ||||||||||
| Online Marketplaces | — | — | — | — | ||||||||||
| United States | — | — | — | — | ||||||||||
| Revenues | — | — | — | — | ||||||||||
| International | $36.80M | — | — | — | ||||||||||
| External Customers | — | — | — | — | ||||||||||
| Intersegment Revenue | — | — | — | — | ||||||||||
| Intersegment Eliminations | — | — | — | — | ||||||||||
| Intersegment Eliminator | — | — | — | — | ||||||||||
| Intersegment Elimination | — | — | — | — | ||||||||||
| Total | $837.00M | $2.11B | $2.38B | $2.72B |
In fiscal 2025, which ended December 31, 2025, the 2 segments Costar Group, Inc. reported in this breakdown added up to $2.72B. That was up 14.4% from $2.38B in fiscal 2024. Residential Real Estate was the largest segment, at $1.46B or 53.7% of the total, followed by Commercial Real Estate ($1.26B, 46.3%).
Compared with fiscal 2024, Residential Real Estate grew the fastest, rising 19.6% to $1.46B.
Residential Real Estate (fiscal 2023) and Commercial Real Estate (fiscal 2023) were first reported as separate segments during this period. The table also keeps 11 segments that Costar Group, Inc. no longer reports, so earlier years can still be read on their original basis; use "Show 11 discontinued" beneath the table to see them. This breakdown covers 14 fiscal years between 2009 and 2025, as reported in Costar Group, Inc.'s annual filings.
Costar was the largest of Costar Group, Inc.’s 6 reported lines in fiscal 2022, at $800.20M — 38% of $2.11B.
| Product and Service | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|
| Costar | $590.22M | $664.74M | $686.90M | $800.20M | |||||
| Multifamily | $490.63M | $598.56M | $678.70M | $745.40M | |||||
| Costar Suite | — | — | — | — | |||||
| Multifamily Online Marketplace | — | — | — | — | |||||
| Loopnet | $149.40M | $179.37M | $204.80M | $223.70M | |||||
| Commercial Property & Land | — | — | — | — | |||||
| Information Services | $76.95M | $104.12M | $113.80M | $125.00M | |||||
| Other Marketplaces | $52.86M | $85.85M | $118.80M | $138.00M | |||||
| Residential | — | — | $74.60M | $73.70M | |||||
| Total | $1.36B | $1.63B | $1.88B | $2.11B |
In fiscal 2022, which ended December 31, 2022, the 6 revenue lines Costar Group, Inc. reported in this breakdown added up to $2.11B. That was up 12.2% from $1.88B in fiscal 2021. Costar was the largest revenue line, at $800.20M or 38.0% of the total, followed by Multifamily ($745.40M, 35.4%) and Loopnet ($223.70M, 10.6%). Together, the two largest revenue lines made up 73.4% of this total.
Compared with fiscal 2021, Costar grew the fastest, rising 16.5% to $800.20M. Residential fell the most, down 1.2% to $73.70M.
Residential was first reported as a separate revenue line in fiscal 2021. The table also keeps 3 revenue lines that Costar Group, Inc. no longer reports, so earlier years can still be read on their original basis; use "Show 3 discontinued" beneath the table to see them. This breakdown covers every fiscal year from 2014 to 2022, as reported in Costar Group, Inc.'s annual filings.
North America was the largest of Costar Group, Inc.’s 2 reported lines in fiscal 2021, at $686.90M — 95% of $722.80M.
| Product and Service | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 |
|---|---|---|---|---|---|
| North America | $1.68B | $590.22M | $738.32M | $686.90M | |
| International | $60.07M | $27.58M | $30.96M | $35.90M | |
| Total | $1.74B | $617.80M | $769.29M | $722.80M |
In fiscal 2021, which ended December 31, 2021, the 2 revenue lines Costar Group, Inc. reported in this breakdown added up to $722.80M. That was down 6.0% from $769.29M in fiscal 2020. North America was the largest revenue line, at $686.90M or 95.0% of the total, followed by International ($35.90M, 5.0%).
Compared with fiscal 2020, International grew the fastest, rising 15.9% to $35.90M. North America fell the most, down 7.0% to $686.90M. Over fiscal 2018 to 2021, revenue across these revenue lines went from $1.74B to $722.80M, a compound annual decline of 25.3%. North America's share of the total fell from 96.5% to 95.0% over the same years.
This breakdown covers every fiscal year from 2017 to 2021, as reported in Costar Group, Inc.'s annual filings.
Costar Group, Inc. (CSGP) breaks its revenue down by segment and revenue line. In fiscal 2025, its largest segment was Residential Real Estate, with $1.46B or 53.7% of the total, followed by Commercial Real Estate at $1.26B (46.3%).
Residential Real Estate was Costar Group, Inc.'s largest segment in fiscal 2025, with $1.46B in revenue, 53.7% of the $2.72B reported across its 2 segments.
Costar was Costar Group, Inc.'s largest revenue line in fiscal 2022, with $800.20M in revenue, 38.0% of the $2.11B reported across its 6 revenue lines.
Of the Costar Group, Inc. segments reported in both fiscal 2024 and fiscal 2025, and making up at least 2% of the total, Residential Real Estate grew the fastest, rising 19.6% from $1.22B to $1.46B.
Every figure is taken from Costar Group, Inc.'s annual financial filings and shown as reported: each line keeps the name the company gives it, years follow its own fiscal calendar, and lines it has stopped reporting stay in the table for the years they were reported.
The breakdown by segment covers fiscal 2009 to 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.