Preservation Design Partnership, LLC

How's this for a Throw Back Thursday post? Philadelphia is at its most beautiful around this time of year!

PHOTOS: Then and now, Philadelphia during the holidays We re-photographed 10 locations in Philadelphia using archived images to show what has and has not changed over the past 100 years of Philadelphia. Some of the changes are vast.

Pictured here: Project Architect, Jennifer Arnoldi's daughter, donned in a very cleverly constructed ferris wheel costume!

Sometimes, the spookiest buildings can also be the most intricate and interesting. What is the spookiest historic building in the Greater Philadelphia? We're going to have to go with Eastern State Penitentiary...

Eastern State Penitentiary: Then and Now Check out before-after photos of the first penitentiary in the U.S.

A beginner’s guide to historic preservation in Philly See something historic? Say something. Here’s a beginner’s guide to nominating a building, structure, district, or street for historic designation.

We are happy to announce that Holly Boyer, AIA, joined the PDP team at the beginning of September as a Project Architect. Holly has 27 years of experience just finished her Master's thesis entitled, "High and Mighty: A Comparative Analysis of the Wood-Framed Steeples of John McArthur, Jr.". Welcome, Holly!

Holly Boyer — Preservation Design Partnership Holly Boyer, AIA Project Architect

Congratulations to Graham Caflisch for passing the 6th and final ARE exam, completing his required AXP hours, and thus fulfilling the requirements for official Architectural licensure in the state of Pennsylvania!

Pictured: Exterior Assessment at the New Jersey State House, 2017