![]() BULK ASPECT RATIO CALCULATOR FREEPlease feel free to leave comments or questions below. We hope this post was helpful and we wish you the best of luck with your project. THANK YOU FOR READING OUR POST ON FLOOR AREA RATIO. The floor area ratio is just one of the many issues that will affect a new building development or building addition. FAR is a common zoning issue in building construction that any architect should be familiar with. Zoning is complicated and we recommend speaking with a professional. You can also subtract the size of the current building on a lot to see how much of an expansion is allowed. You can now get an idea of how large of a project you can put onto a lot. This property can be developed with a 12,000 square foot building. Residential buildings in contextual zones must comply with the Quality Housing Program Zoning regulations. Zoning districts ending with a letter in NYC are Contextual Zoning Districts. This is in an R7A zoning district in the Bronx. Once you have established your FAR and the area of your lot you can find the maximum buildable area.įAR x LOT AREA = MAXIMUM BUILDABLE FLOOR AREAīelow you will see an example of a property we investigated for one of our clients. Under the Zoning tab there is a ‘Districts & Tools’ section, where you can click on your district and get a glimpse of what the basic zoning regulations are.įloor Area Ratio Examples FAR Calculation NYC Example CALCULATING YOUR MAXIMUM BUILDING AREA Be cautious however, as it certainly does not provide all the answers to zoning, which is a couple thousand pages long. For example a mixed use building may have a different FAR for each use.įor properties in NYC, you can find generic information for each district on the NYC City Planning website. These summarized lists, which come from the Zoning Handbook, are what we call ‘zoning cheat sheets’ at our architecture firm. In different cases these may be easier or more complicated to figure out. Depending on the district, specific property conditions, and proposed building use. The local zoning codes will identify what the FAR (Floor Area Ratio) is for your zoning district. Every Zoning District will have a specific Floor Area Ratio and sometimes there are additional Special Zoning District regulations that may modify the Floor Area Ratio. All information on this site should be verified by checking Zoning Maps and getting land surveys, but Zola can give you a close reference. After typing in your address, the additional information estimates the zoning district based on the location. Zola, the NYC Zoning and Land Use website is a great resource for finding what zoning district a property is in. FAR is the reason why buildings with the same size lot but in different zoning districts can be drastically different in size.Ĭhecking Your Zoning for Floor Area Ratio NYC The floor area ratios are set forth by NYC Planning in the Zoning Resolution (Zoning Code). The floor area ratio is the deciding factor in finding out the maximum buildable floor area. This is the amount of square footage you are allowed to build on the property. Our Zoning Analysis always starts by figuring out the maximum buildable floor area for your lot. Our Floor area Ratio Youtube Video Explanation ![]() This article is based on New York City Zoning but the concepts can apply beyond NYC to any areas that use FAR as a metric for development regulations. The FAR calculation can also determine if there are available air rights to sell on the property. Understanding the basics of FAR will allow you to determine how many square feet can be developed on a property, or if there is any room for expansion of a current building on a lot. Understanding Floor Area Ratio is a basic requirement for real estate development. The larger the FAR, the larger the building can be. The size of the building will be directly influenced by the FAR assigned to the specific lot. Local Zoning Codes will assign a designated FAR based on the zoning district and building use. The property area is multiplied by the FAR factor with the result being the maximum floor area allowed for a building on the lot. Floor Area Ratio (FAR) is a mathematical formula that determines how many square feet can be developed on a property in proportion to the lot area. ![]()
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