WHITE PLAINS, NY-CB Richard Ellis reports that strong tenant demand, particularly in Downtown, was the key to a turnaround in the Westchester County office market in the second quarter of this year.

HARTSDALE, NY-Retail brokerage firm Aries Deitch & Endelson reports it has brokered six recent retail lease transactions with Work 'n Gear totaling more than 25,000 sf of space in Westchester, Connecticut and New Jersey.

WHITE PLAINS, NY-Arch Capital Services Inc., the services company of property and casualty insurance firm Arch Capital Group, Ltd., will relocate from its offices in Greenwich, CT to more than 16,000 sf of space at Reckson's Metro Center complex here, reports CB Richard Ellis.

BETHEL, NY-Construction has begun on a $63 million project to build a performing arts center here at the site of the concert that many say helped shape a generation--the 1969 Woodstock Festival.

WHITE PLAINS, NY-Acadia Realty Trust has formed its second discretionary acquisition fund that totals $300 million and will be used to acquire retail properties primarily in the Northeast, Mid-Atlantic and Mid-West.

GREENBURGH, NY-The Dannon Co. Inc., has taken on an additional 20,000 sf of space at its future headquarters property at 100-150 Hillside Ave. here. The company, which will be moving into the building in October, will occupy a total of 70,000 sf of space.

WEST NYACK, NY-Two large restaurant chains are entering the Westchester-Rockland marketplace. On Thursday, Fox Sports Grill will open a 20,100-sf location at the Palisades Center here. This past Monday, Zanaro's Italian Restaurant held a grand opening for its 8,000 sf flagship eatery in White Plains.

ELMSFORD, NY-Mack-Cali Realty Corp. reports it has signed two lease deals totaling more than 76,000 sf at its Westchester properties, including a 44,266-sf relocation deal with Coca-Cola Bottling Co. of New York at 555 Taxter Rd. here.