ANDOVER-Quantam Bridge Communications leased a 106,000 sf office building here at the River Road interchange, bolstering Route 495's growing reputation as a haven for high tech. The company is moving due to its rapid growth.

SOMERVILLE, MA-Cathartes is selling its telecommunications centers here despite its previous intentions. The city's approval for development demonstrated its interest in entering Boston's real estate market.

CHELMSFORD, MA-Financing was arranged for four first class office buildings here right off Route 495 in a deal that went smoothly thanks to the growing interest in this location.

NEWTON, MA-Renovations are complete at the Riverside Center here and Navic Systems, the fourth subtenant in the building, is moving in. The company, which needs to expand its operations, beat out dotcoms for the space.

BOSTON-The $40 million conversion of the police headquarters here was given to the Saunders Hotel Group, a longtime local hotelier. Landsmark Ltd. of London lost it when the city decided it wasn't making enough progress.

BOSTON-In its second foray into the Boston market, Walton Street Capital purchases Ten Post Office Square, a landmark property in the financial district. The company recently purchased One Boston Place.

BOSTON- Starwood Hotels and Carpenter & Co. are having difficulty securing financing for the proposed anchor hotel in South Boston's convention center. The developers insist they need financial concessions.

BOSTON-After state Environmental Affairs Secretary Durand demanded radical changes to Chicago hotel magnate Nicholas Pritzker's Fan Pier project here, city officials have submitted a compromise proposal to the project.