PHILADELPHIA-Two law firms and a transport security consultancy firm signed renewals for Center City space in deals negotiated by PernaFrederick.

New Jersey's aging building stock was in dire need of restoration even before Hurricane Sandy hit. Here's a look at property owners' efforts to not only rebuild in the aftermath, but also seek to secure the highest and best use for their assets to gain a competitive advantage.

BALA CYNWYD, PA-Keystone Property Group and Mack-Cali closed on the sale of 15 office buildings and three land plots to a joint venture company led by Keystone; meanwhile, New Jersey-based Mack-Cali will develop multi-family properties in Main Line suburbs.

NEWARK, NJ-Four leases of 6-7,000 square feet added up to 26,000 square feet of transactions handled by Colliers International recently.

HACKENSACK, NJ-Chris & Kikis Real Estate acquired an office on Route 17 and will relocate from Fairview.

SECAUCUS, NJ-The federal and state government will team up with NJ Transit to design an independent power grid that could keep trains running in the event of disaster.

FRANKLIN, NJ-The tallest office building in Somerset County, which has undergone a makeover after having been sold while entirely vacant, snagged a tenant for the top two floors.

JERSEY CITY, NJ-Marcus & Millichap is the bearer of more sobering news concerning the waterfront area office market: Vacancy is now over 30% in Hudson County.