Maximum Floor Area Ratio (FAR) and Building Coverage Calculator

To calculate the maximum floor area and building coverage for your lot complete steps one and two below. Click the Calculate button to calculate the output.

Property zoning information can be found using the city's eMapLink application.

Enter the property lot size in square feet. Approximate lot size information can be found using the Boulder County Property Search application.



Calculator Output


Note: There are additional regulations not modeled by this calculator that may prevent you from being able to expand your home including a new bulk plane standard, new wall articulation standards, regulations concerning setbacks, height limits and solar shadows. This tool is for demonstration purposes only and is intended for general planning purposes only.