Welcome to 30 Spring Street - A modern classic in Portsmouth's Little Harbor neighborhood. Discover timeless charm & contemporary living in this beautifully renovated 4-bedroom, 3.5-bath New Englander nestled on a quiet side street just a short walk to Downtown. Boasting just under 3,000 square feet of finished space, this home offers the perfect blend of historical character & modern updates. Step inside to an open-concept main floor featuring a gas fireplace, a wall of windows that flood the space with natural light & views of the private fenced backyard with a bluestone patio. The renovated kitchen includes new appliances, refinished hardwood flooring & a layout designed for both everyday living & hosting. Upstairs, the second floor includes a primary suite with a ¾ bath, 2 additional bedrooms & a full bath. The third floor has been thoughtfully reimagined to include another bedroom with an en-suite ¾ bath & a versatile office or studio. Large bonus room above the garage-perfect for a media room or hangout space. Recent upgrades in the last 18 months include new HVAC systems, updated electrical & panel & renovations to 3 bathrooms. Full basement with ample storage & a dedicated laundry area, natural gas, public water/sewer, central A/C & a 12x22 garage. Enjoy the unbeatable location with walkability to Little Harbor School, local parks, the farmer's market & downtown Portsmouth. This move-in ready gem blends location, lifestyle & modern convenience.