Brennan's Tree Service. Serving northern Virginia for over a decade. Fairfax County is our home and caring for the natural beauty  of this region is something we take very seriously. The trees that adorn your home or business require a deft touch and an experienced eye. We perform pruning, trimming, removal and stump grinding, as well as cabling for the repair of split trunks and storm damage clean-up. For additional information, browse our website or call to arrange your free estimate today.