273 Sixth Avenue is a four story, four unit co op in a 23 foot wide limestone townhouse with a barrel front, built in 1931. Its apartments retain original pre war details, including tin ceilings, parquet floors, bay windows, working shutters, and decorative millwork.
The building has new Marvin windows installed in February 2022, central air conditioning, and heat through original cast iron radiators. Pets are allowed, and the basement includes reserved and shared resident storage. The electrical system was upgraded in 2018, and the co op has no underlying mortgage.
In central Park Slope, the building is close to Prospect Park, Grand Army Plaza, the Park Slope Food Coop, the JJ Byrne Greenmarket, and Gowanus. The surrounding area also provides access to the R, 2, 3, Q, B, F, and G subway lines.
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For some co-ops, instead of price per square foot, we use an estimate of the number of rooms for each sold apartment to chart price changes over time. This is because many co-op listings do not include square footage information, and this makes it challenging to calculate accurate square-foot averages.
By displaying the price per estimated room count, we are able to provide a more reliable and consistent metric for comparing sales in the building. While we hope that this gives you a clearer sense of price trends in the building, all data should be independently verified. All data provided are only estimates and should not be used to make any purchase or sale decision.