You can also work with an architect, contractor and/or structural engineer whose specialty is historic renovations. Suggestion: check them out with their local better business bureau. Online resources include · National Trust for Historic … Under contract in 14 days: Delray Beach townhouse. Under Contract same day as listed: Polo Club house. Under contact in 21 days: Polo Club condo. Under contract in 90 days after being on the market one year: Polo Club house. …