Welcome to our dedicated page for Costar Group news (Ticker: CSGP), a resource for investors and traders seeking the latest updates and insights on Costar Group stock.
CoStar Group reports company developments across online real estate marketplaces, property information, analytics, and 3D digital twin technology. News commonly covers market data and forecasts from CoStar and Apartments.com, including multifamily rent trends, office leasing, retail and industrial vacancy, hotel performance, and regional investment activity in the property markets.
Company updates also include quarterly operating results, bookings trends, marketplace traffic, acquisitions, and corporate governance developments. CoStar Group serves commercial and residential real estate customers through information products and marketplace brands used for property discovery, advertising, research, and market intelligence.
CoStar Group (NASDAQ: CSGP) reported that Birmingham retail investment volumes hit a 10-year high, driven by shopping centre sales. The rolling 12‑month average quarterly volume reached £202 million to the end of Q1, around double the five-year annual average.
The 1.4 million sq ft Merry Hill centre is more than 96% let, with 2025 footfall of 15 million and sales up 4.3% year-on-year, following a £125 million investment programme. CoStar notes softer investor sentiment and more selective transactional activity after the Iran conflict, while its websites drew over 131 million average monthly unique visitors in Q1 2026.
CoStar Group (NASDAQ: CSGP) entered a definitive agreement to acquire Zonda from MidOcean Partners. Zonda is described as the #1 data, marketplace, and software platform for the new home ecosystem in North America.
Under MidOcean’s ownership, Zonda completed nine add-on acquisitions, more than doubled in scale, materially expanded margins, and achieved over 50 consecutive quarters of year-over-year ARR growth in a $27 billion+ addressable market.
CoStar Group (NASDAQ: CSGP) agreed to acquire Zonda, a new home construction data and marketplace provider, for $800 million in cash.
Zonda serves over 3,000 customers, has mostly subscription revenue and 104% net customer retention, and operates NewHomeSource and Livabl. CoStar Group expects the deal to be accretive to adjusted EPS in the first full year and to close in the second half of 2026, subject to regulatory approvals. The company also plans to combine Zonda’s Envision tools with Matterport technology to enhance digital home marketing.
Apartments.com, part of CoStar Group (NASDAQ: CSGP), reported modest U.S. multifamily rent growth for May 2026. The national average rent rose to $1,737, up 0.2% month over month and 0.7% year over year, marking six straight months of positive growth.
All five regions saw monthly increases, led by the Northeast and Pacific at 0.3%. Year over year, the Midwest grew 2.0% while the Mountain and South regions declined. Supply-heavy markets like Austin, San Antonio, Denver and Las Vegas posted notable annual rent drops.
CoStar Group (NASDAQ: CSGP) released new data showing the office yield gap narrowing between London and major UK regional markets. London’s transaction-based office yield rose to 6.5% in Q1 2026, while regional office yields declined to 10.3%, reducing but not eliminating a historically wide spread.
Central London office yields rose to 5.7%, and Big Six office yields compressed to 8.8%, narrowing their yield spread to 310 basis points. Retail yields held at 7.1%, and industrial yields compressed to 6.9%, pausing prior increases.
CoStar Group (NASDAQ: CSGP), via its Homes.com marketplace, released April data on the most expensive publicly marketed home sales in major U.S. metros. Miami led with a $47 million Coral Gables waterfront estate, followed by Los Angeles at $41.3 million and Phoenix at $32.5 million.
The roundup shows five markets with sales above $20 million, highlighting demand for ultra-luxury, water-view properties. Homes.com also reports an audience of 108 million average monthly unique visitors in 2025 and organic traffic growth above 100% year-over-year each month in Q1 2026.
CoStar Group (NASDAQ: CSGP) reported that Glasgow city centre office take-up reached 230,000 sq. ft. in Q1 2026, the highest quarterly level since 2021. Take-up rose 85% quarter-on-quarter and 34% year-on-year, with stable rolling annual demand near 600,000 sq. ft.
Three lettings above 20,000 sq. ft. lifted average deal size to 6,000 sq. ft., while vacancy remained elevated at 12.4% across Glasgow and 15.8% in the city centre.
Homes.com, a CoStar Group (NASDAQ: CSGP) brand, reported that the April 2026 national median home sale price was $390,000, up 1.7% year-over-year. Active listings rose 6.3% and sales increased 0.6%, while local markets diverged sharply in price, sales, and inventory trends.
CoStar Group (NASDAQ: CSGP) reported that U.K. GDP grew 0.6% in Q1 2026, compared with 0.1% in Q4 2025. March output rose 0.3%, led by broad services gains.
Construction grew 0.4%, production 0.2%, while travel agency and tour operator activity fell 6.4%. CoStar’s sites reached over 131 million average monthly unique visitors in Q1 2026.
Apartments.com, a CoStar Group (NASDAQ: CSGP) brand, launched the quarterly RentPulse Index to track renter financial and behavioral health across the U.S.
Q1 2026 data show a sharply divided market: national rent-to-income is 23.3%, but New York renters face a 69.3% ratio versus 16.5% in Colorado Springs. About 41.2% of multifamily properties now offer concessions, up 9.9 percentage points, with a national concession rate of 2.0%.
Coastal and Northeastern markets, including San Francisco (+8.2% YoY to $3,351 for a one-bedroom), Rhode Island and Hampton Roads, see rent growth, while Texas (−2.1% YoY), Florida (−1.6%) and many Sun Belt cities experience declining rents amid elevated supply.