BOXBOROUGH, MA-Seranoa Networks takes 24,000 sf at 60 Codman Hill Rd. The high-tech company is relocating from Concord, MA in a move that--unusual in the current economy--will quadruple the size of its headquarters.

BOSTON- Locally-based Westbrook Hotel Partners IV, LLC acquires 13 hotel properties from Dallas-based Wyndham International Inc. for $448 million. The companies closed on 11 of the properties and expect to close on the last two by the end of the month.

FOXBOROUGH-The rezoning of the former Foxborough State Hospital site to mixed-use status is approved. The state sold 55 acres of the property to the town for public use and the plan for the remaining 95 acres is a 203-unit residential complex as well as office and retail space.

PEABODY, MA-Berwind Property Group sells Centennial Technology Center, a 330,000-sf office park located at 10 Centennial Dr. to an affiliate of Des Moines-based Principal Life Insurance Co. for $38 million or $115 per sf. The Philadelphia-based firm purchased the property two years ago for $19.2 million.

BOSTON-Martin Oliner's proposal to build a 215-unit residential project in the Charlestown Navy Yard gets approved by the Boston Redevelopment Authority. The developer's new proposal involves a 115-ft tower and a 95-ft tower--much smaller than original plans.

MARLBOROUGH, MA-Berwind Property Group closes on its purchase of the 540,000-sf 3Com campus. The Philadelphia-based privately held real estate investment firm paid $57.8 million for the property, which will be partly leased back by 3Com.

LOWELL, MA-$9.5 million in permanent mortgage financing is nailed down for Delmont Gardens, a 192-unit luxury apartment community comprised of eight buildings. The complex is located on Delmont Avenue, Felker and Bernier streets near Route 495.

BILLERICA, MA-In a two-part transaction that enabled the firm to upgrade its holdings in a tax-deferred exchange, Retailers Realty Trust/Remic Properties sold a 16,120-sf shopping center at 305 Boston Rd. for $1.25 million and purchased a 26,124-sf center in Salem, NH for $2.85 million.