Walk to downtown Hillsborough from this charming, updated 1941 home full of flexible space, plus one feature you won't find anywhere else: an underground shelter complete with toilet, sink and mini split. The main level offers a renovated kitchen with painted cabinets, quartzite counters, stainless farmhouse sink, Honeywell dishwasher and glass-top range, along with an updated full bath. Upstairs, a permitted primary suite (final inspections passed) adds a bedroom, bath with 6-ft cast iron tub, small private balcony, LVP floors, mini split and generous eave storage. Just six steps down from the main floor, the conditioned lower level offers bonus space with a kitchenette, shower and toilet, and its own walkout entrance, heated and cooled by a permanently installed mini split. Recent updates include a 2026 metal roof, 2026 HVAC, new on-demand water heater, thermal-pane windows and a new stucco retaining wall. Large detached garage and wraparound driveway. Character, function and location in one. Measured by appraiser: 1,967 total finished sq ft (1,599 sq ft above grade plus 368 sq ft finished below grade). Storm shelter and additional unfinished basement area (approx. 371 sq ft) not included. Floor plan available.