From pueblos and elegant churches to log cabins and military forts, the United States is home to a variety of interesting architecture and rustic structures. The following are the oldest known buildings in each state.
Alabama— The Jude Crutcher House in Huntsville was built in 1812.
Alaska — In Kodiak, Alaska, the Erskine House was built in 1808.
Arizona — Mission San Xavier del Bac was built between 1783 and 1797.
Arkansas — In Norfolk, the Wolf House log cabin was constructed in 1829.
California — The Mission San Juan Capistrano was built in 1782.
Colorado — In 1856, Our Lady of Guadalupe Church was constructed.
Connecticut — The Henry Whitfield House was constructed in 1639.
Delaware — In 1665, the Ryves Holt House was built in Lewes, Delaware.
Florida — Castillo de San Marcos is an old fort built in 1672.
Georgia — The “Pirates” house was constructed in Savannah, Georgia in 1734.
Hawaii — The Lyman House Memorial Museum was built in Hilo in 1838.
Idaho — Mission of the Sacred Heart was built in Cataldo in 1852.
Illinois — In 1720, the oldest building, Fort de Chartres, was constructed.
Indiana — The oldest building was constructed in Vincennes in 1805.
Iowa — The oldest building is a log house built in Dubuque in 1833.
Kansas — Between 1832 and 1834, the Rookery Army Post was constructed.
Kentucky — The Croghan Mansion was built in 1790 in Louisville.
Louisiana — The Old Ursuline Convent has been in New Orleans since 1752.
Maine — McIntire Garrison House was built by settlers in York in 1707.
Maryland — The Third Haven Meeting House was constructed between 1682 and 1684.
Massachusetts — The Fairbanks House was built between 1637 and 1641.
Michigan — The officers’ quarters at Fort Mackinac was built in 1782.
Minnesota — The round stone tower was built at Fort Snelling in 1820.
Mississippi — The Pointe-Krebs House was built between 1772 and 1780.
Missouri — The Louis Bolduc House Museum is the oldest building and was built in 1785.
Montana — Constructed in 1840, the blockhouse at Fort Benton is the oldest in Montana.
Nebraska — A log cabin built by a trapper in 1835 in Bellevue is the oldest building.
Nevada — An old Mormon fort was constructed in Las Vegas in 1855.
New Hampshire — The Richard Jackson House was built in Portsmouth in 1664.
New Jersey — The Nothnagle log house was constructed between 1638 and 1643.
New Mexico — The Taos Pueblo was constructed in approximately 1450.
New York — In Cutchogue the oldest building was a residential home built in 1649.
North Carolina — The oldest building is the Lane House built in 1769.
North Dakota — Kittson Trading Post was constructed in 1843.
Ohio — The Ohio Company Land Office was built in 1788.
Oklahoma — The Owen Park House was constructed in the 1880s in Tulsa.
Oregon — In 1862, the Manson Barn was built in Donald, Oregon.
Pennsylvania — The Lower Swedish Cabin was constructed in the 1640s.
Rhode Island — In 1660, the Stephen Northrup House was built.
South Carolina — The Middleburg Plantation has been in Huger since 1699.
South Dakota — Ft. Sisseton was constructed in 1864.
Tennessee — The Carter Mansion was built in the 1770s.
Texas — The world-famous Alamo was built in 1724.
Utah — In 1851, the Benson Grist Mill was constructed.
Vermont — The Mooar-Wright House was built in 1750.
Virginia — The Jamestown Church was built between 1649 and 1643.
Washington — San Juan Island features buildings for British and American camps constructed in 1859.
West Virginia — The Hermitage in Charles Town is the oldest building.
Wisconsin — The Wakely Home in Nekoosa was built in 1842.
Wyoming — The Fossil Cabin in Medicine Bow was constructed of dinosaur bones.
Last modified: April 6, 2018