List of the oldest buildings in the United States

This article lists the oldest buildings in the United States and its territories. The list includes sites in current states and territories which were not part of the original Thirteen Colonies when the United States of America was founded in 1776.

Pre-Columbian era

Building	Image	Location	State	First built	Use	Notes
Ancestral Puebloan dwellings		New Mexico, Arizona, Colorado, Utah	NM AZ CO UT	750 – Pueblo construction began in AD 750, and ended around 1300 AD with the third era of the Pueblo people.	Villages	Majority of settlements abandoned, but some very well preserved. Buildings have been within the United States since the Mexican Cession of 1848 or the Gadsden Purchase of 1854.
Chaco Canyon		New Mexico	NM	800 – "During the middle and late 800s, the great houses of Pueblo Bonito, Una Vida, and Peñasco Blanco were constructed, followed by Hungo Pavi, Chetro Ketl, Pueblo Alto, and others."	Residential, villages, city	"The cultural flowering of the Chacoan people began in the mid 800s and lasted more than 300 years."
Taos Pueblo		North of the modern city of Taos	NM	1000 – Built between 1000 and 1450	Residential	Said to be the oldest continuously inhabited houses still occupied. Buildings have been within the United States since the Mexican Cession of 1848.
Acoma Pueblo		On top of a 367-foot sandstone mesa in Cibola County	NM	1000 – Built between 1000 and 1200	Residential	Said to be the oldest continuously inhabited site in the United States. Buildings have been within the United States since the Mexican Cession of 1848.
Ocmulgee Earth Lodge		Ocmulgee Mounds National Historical Park	GA	1015	Religious	Native American earth lodge. Restored by the Civilian Conservation Corps in the 1930s.
Cliff Palace		Mesa Verde National Park	CO	1190	Residential	Largest cliff dwelling in North America. Buildings have been within the United States since the Mexican Cession of 1848.
Malae Heiau		Wailua River State Park	HI	before 1200	Religious	Largest heiau remaining on the Island of Kauai and one of the largest surviving temple platforms in the Hawaiian Islands.
Casa Grande		Coolidge	AZ	c. 1200s	Religious	Hohokam structures built in the 13th century that includes a large four-story structure that is protected by a New Deal era canopy.
West Oak Forest Earthlodge Site		Glenwood	IA	c. 1250–1400	Religious	Earthlodge built during the Woodland period of pre-Columbian history. Discovered and restored in 2009.
House of Taga		Tinian	MP	before 1500	Residential	The latte stone structure is believed to have been the home of a Chamorro chief. The structure has been on US territory since 1978 when the Northern Mariana Islands became a US commonwealth.

16th Century

Building	Image	Town/City	State	Date of Construction	Type of Building	Notes
La Casa Blanca		Old San Juan	PR	1521	Government/Residential	Located in the Old San Juan National Historic Landmark District. Built as a fortified residence for Juan Ponce de León. The house has been on U.S. territory since Puerto Rico was annexed in 1898.
San José Church		Old San Juan	PR	1528	Religious	Located in the Old San Juan National Historic Landmark District. Additions and renovations over the centuries. The church has been on U.S. territory since Puerto Rico was annexed in 1898.
La Fortaleza		Old San Juan	PR	1533	Government	Located in the Old San Juan National Historic Landmark District. Oldest executive mansion in the New World. Extensive reconstructions took place over the centuries. Building has been within the U.S. since 1898 when Puerto Rico was annexed.
Castillo San Felipe del Morro		Old San Juan	PR	1539	Government	Part of the San Juan National Historic Site. Construction started in 1539, with extensive additions over the centuries. Building has been within the U.S. since 1898 when Puerto Rico was annexed.
Cathedral of San Juan Bautista		Old San Juan	PR	1540	Religious	Located in the Old San Juan National Historic Landmark District. Oldest church building in the U.S. and its territories, original built in 1521 on modern-day location. The cathedral has been on U.S. territory since Puerto Rico was annexed in 1898.