Tree-Ring Dated Buildings in Maryland

Row House, Baltimore Anderson House, Thurmont Antietam National Battlefield
The Beatty-Cramer House, Frederick Bayly House and Outbuildings, Cambridge Best Farm, Frederick Co
Bethesda House, Ellicott City Bostwick Hall, Bladensburg Bowman House, Frederick
Bush Tavern Bussard Farm Kitchen Cloverfields, Wye Mills
Compton Bassett, Upper Marlboro Concord Plantation, Prince George's Co Cooke's Range At Pope Farm, Derwood
Cremona Farm, Mechanicsville Doughoregan Manor Evergreen Barn
Forgeman's House, Thurmont Friendship Farm, Frederick Friendship House, La Plata
Fugate House, Monkton, Handsell, Dorchester Co Hawkins Pharsalia
Hess House, Keedysville Huckleberry Hall, Leitersburg, Jacob Leiter House, Leitersburg,
Joseph Fiery House Place, Clear Spring Josiah Henson Site, Montgomery Co Keedy House and Cottage, Boonsboro
Linchester Mill, Preston, Caroline Co Lisbon Hotel, Lisbon Little Bennett Regional Park, Clarksburg
Lyons Creek Boat Wreck, Calvert County Melwood Park, Prince George's Co Mount Lubentia, Upper Marlboro
Ocean Hall, Bushwood Middlekauf Farm; Kelly’s Purchase, Sharpsburg Red House, Wye Plantation, Easton
Roberts Inn, Cooksville, Rich Hill, Bel Alton Addition to Rosses Chance, 5606 Ross Neck Road, Cambridge,
Shipwreck at Martinak State Park, Denton Shipwreck Found in the Nanticoke River in Vienna Snively Farm, Keedysville,
Sotterley Mansion, Hollywood, St Mary’s Co Stagg Hall, Port Tobacco Stubbs Barn, Wheaton
Summer House, Montpelier Mansion, Laurel The Wilderness, Trappe Thomas Farm House, Frederick Co
William Still Cabin, Caroline Co Williams' Conquest, Kingston Woodlawn Manor Log Cabin, Sandy Spring
Wyoming Farm, Clifton

As new building are dated they will be added to this list. If there is a building you are looking for that is not on the list please contact me at michael





The Oxford Tree-Ring Laboratory provides cutting-edge commercial dendrochronological services to homeowners, architectural historians, and cultural resource managers. READ MORE

Contact Information

Oxford Tree-Ring Laboratory

Michael Worthington
Jane Seiter, Ph.D

25 E. Montgomery St.
Baltimore, MD 21230


Introduction to the Laboratory

This is how we sample your building,  READ MORE

Basic Dendrochronology

The Laboratory's staff have been involved in scientific dating of over two hundred historic building both in the USA and UK. Detailed listing of all of them can be found READ MORE

Sampling Procedures

After two years of investigation of what was a planned rental property, the oldest dated house in North Carolina has been identified in Edenton.
Preservationists with the N.C. Historic Preservation Office, architectural historians with the Architectural Research Department at Colonial Williamsburg and local historians participated in the research. READ MORE

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For more than thirty years, the architectural research department at Colonial Williamsburg has engaged in comprehensive study of early buildings, landscapes, and social history in the Chesapeake region. READ MORE