A chimney does two jobs: it carries smoke and gases out of the house, and it keeps heat and sparks away from the wood framing around it. When creosote builds up, a liner cracks, a nest blocks the flue or water rots the masonry, it stops doing those jobs safely. That is why the usual advice is a yearly inspection, with a sweep when it is needed, before the first fire of the season.
In Roseland, plenty of chimneys are original to the house, with clay flue tiles and mortar joints that have seen many winters, while newer homes tend to have factory built fireplaces with metal flues and a wood framed chase. Masonry chimneys crack and leak at the crown and flashing, while factory built units suffer from rusted chase covers and worn parts. A sweep who knows homes in Roseland, NJ can quickly sort out which kind of problem you have.
Chimney work around Roseland runs from routine cleaning to real repairs, from a fireplace that smokes into the room to a stain on the ceiling after a storm. Whether you need chimney cleaning in Roseland or a repair after a storm, you do not need to know the cause. Tell the sweep what is going on and when it started.