Generally, fencing may abut your side and rear property lines and must not exceed six feet in height. When erecting a fence in your front yard, the fence shall be a minimum of six inches away from a public sidewalk, no higher than four feet, and be ornamental open picket style. If you are on a corner lot, you are considered to have two front yards. Full list of fence regulations can be found here.
A permit is required before any fence may be installed. Submit your permit application and site plan showing the fence location to the Building Department prior to starting your project.