Farmhouse foundations on Piedmont clay
Dunwoody's oldest surviving structures, including the roughly 1829 building on the Donaldson-Bannister Farm, were built directly on the region's red Piedmont clay long before anyone understood its shrink-swell behavior, using pier-and-beam methods common to 19th-century farm construction.
Evaluating a farmhouse-era foundation
A foundation evaluation near one of Dunwoody's historic farm sites has to treat pier-and-beam farmhouse construction differently from the slab and block foundations used in the subdivisions built around it later — the two respond to clay movement in very different ways.
Foundation repair options for Dunwoody
What to share about your Dunwoody foundation issue
For a Dunwoody foundation issue inquiry, include where you're seeing cracks or unevenness, whether doors and windows have started sticking, and how old the home is if you know it. Provider availability varies by region; confirm engineering credentials and warranty terms directly before signing a contract.
Sandy Springs grading and drainage notes for Dunwoody
Sandy Springs' comprehensive plan addresses land use and greenspace, background worth knowing before grading or drainage work changes how water moves off a lot near the Donaldson-Bannister Farm area.