EXCLUSIVE NEW TO MARKET  Bright 1-Bd. Co-op in Doorman Building on Quiet, Tree-Lined Street    This bright 1-bedroom, 1-bath apartment is at 3050 Fairfield Avenue (The Tangiers), a post-war co-op building with part-time doormen and set along a quiet, tree-lined street. The lobby and hallways are newly renovated, and there is an outdoor sitting area and garden on the south of the building.    Standout features include: an entry hall; dining foyer; living room with west-facing windows; modern eat-in kitchen with quartz countertops, tiled backsplashes and stainless-steel appliances by Frigidaire (6-burner stove, refrigerator and dishwasher); bedroom with walk-in closet; updated bathroom; 3 exposures (west, east and north); hardwood floors; 5 closets. Monthly Maintenance $ 1,151.77.    Pet friendly, allowing one dog up to 45 pounds.    Wait-listed garage parking, storage and bicycle rooms. Recent building upgrades include a new roof, digital intercoms and electrical circuit panels.    Great location for shops, parks, Metro-North trains and express buses to Manhattan.