This article attempts to list the oldest extant buildings surviving in the state of Pennsylvania in the United States of America, including the oldest houses in Pennsylvania and any other surviving structures. Some dates are approximate and based upon dendochronology, architectural studies, and historical records. Sites on the list are generally from the First Period of American architecture or earlier. To be listed here a site must:
| Building | Image | Location | First Built | Use | Notes |
|---|---|---|---|---|---|
| Lower Swedish Cabin | Drexel Hill | 1640-1650 | House | Possibly oldest log cabin or wooden house in Pennsylvania | |
| Wall House | Elkins Park | 1682 | House | Oldest house in Pennsylvania which has had continuous family residency, possibly the oldest stone house in Pennsylvania with part of the house dating to 1682 | |
| Caleb Pusey House | Upland | 1683 | House | Oldest English-built house in Pennsylvania. Only extant building known to have been visited by William Penn. Completed 1683-1696. | |
| Farmar Mill | Fort Washington | 1690 | Mill | Oldest surviving mill in Pennsylvania | |
| Wyck House | Germantown | 1690 | House | Oldest house in Germantown | |
| Merion Friends Meeting House | Merion Station | 1695 | Religious | One of the oldest Quaker meeting houses in America | |
| Thomas Massey House | Broomall | 1696, later additions | House | One of the oldest "English" houses in Pennsylvania, one of the oldest Quaker homes in the state | |
| Morton Homestead | Prospect Park | c. 1698, later additions | House | Farm founded in 1654 | |
| Gloria Dei (Old Swedes' Church) |
Philadelphia | 1700 | Religious | Oldest surviving church in Philadelphia | |
| Old Trinity Church | Philadelphia | 1711 | Religious | ||
| Stenton | Philadelphia | 1723 | House | Home of James Logan, secretary of William Penn | |
| Old Chester Courthouse | Chester | 1724 | Government | This is the oldest public building in continuous use in the United States. Served as a courthouse from 1724 until 1851, town hall until the 1960s. Now used for miscellaneous city, county and civic functions. [1] | |
| Michael Billmeyer House | Philadelphia | 1730 | House | ||
| Ephrata Cloister | Ephrata | 1732 | Religious | Established in 1732 by Johann Conrad Beissel, it is one of the oldest religious communities in the United States. It had the second German printing press in the American colonies which published the largest book in Colonial America, Martyrs Mirror. | |
| Augustus Lutheran Church | Trappe | 1743 | Religious | Oldest unchanged Lutheran church building in the United States in continuous use by the same congregation.[2][3] | |
| Grumblethorpe | Philadelphia | 1744 | House | ||
| Belmont Mansion (Philadelphia) | Philadelphia | 1745 | House | ||
| Germantown White House | Philadelphia | 1752 | House | Twice served as temporary residence of George Washington during his presidency. | |
| Old Germantown Academy and Headmasters' Houses | Philadelphia | 1760 | School | ||
| Cliveden (Benjamin Chew House) | Philadelphia | 1763 | House | Scene of fighting at the Battle of Germantown | |
| Fort Pitt Blockhouse | Pittsburgh | 1764 | Defense | Oldest structure in Pittsburgh and one of the oldest colonial structures west of the Allegheny Mountains | |
| Concord School House (Philadelphia) | Philadelphia | 1775 | School | ||
| Harris Cameron Mansion | Harrisburg | 1766 | House | One of the oldest structures in Harrisburg built right after the French and Indian War. | |
| The Headhouse at New Market | Philadelphia | 1804 | Firehouse | Oldest firehouse in the United States | |
| Dickson Tavern | Erie | 1815 | Commercial | Oldest building in Erie | |
| Academy Hall | Edinboro University | 1857 | Educational | Oldest normal school building in Pennsylvania | |
| Sturgis Pretzel House | Lititz | 1861 | Commercial | Oldest commercial pretzel bakery in the United States[4] | |
| Leap-The-Dips | Altoona | 1902 | Entertainment | Oldest wooden roller coaster in the United States |