Coldwell Banker Residential Brokerage on Jan. 18 acquired Newton Centre-based Edna Kranz Realty Inc., which has served Newton Hill and Chestnut for more than 20 years. The deal includes about 20 real estate agents who will now be based at Coldwell Banker Residential Brokerage’s Newton office.

“Coldwell Banker Residential Brokerage is known for its state-of-the-art technology and the incredible resources available to agents, such as its global network and exceptional educational opportunities,” said Roz Wennett, former broker-owner of Edna Kranz Realty. “This relationship will ensure that our agents will receive all the tools they need to excel now and into the future.”

Elsewhere in Boston real estate news this week:

• The biggest home sale in the metro area this week is a sprawling $3.94 million home on Fisher Hill, according to The Boston Globe. The six-bedroom, five-and-a-half bedroom home sits on a 0.43-acre lot and has a wraparound porch. Its features include a large eat-in kitchen with a 10-foot marble island, a study, a third-floor great room and a semi-finished basement.
• ShowingTime recently released MarketView Broker, a browser-based application that helps brokerages recruit top team members, as well as review and analyze competitive market share. The app is available in more than 300 markets.