Welcome to 431 Townline Road in Commack, a rare opportunity to own a beautifully updated 4-bedroom, 4-bathroom ranch on nearly half an acre with a legal accessory apartment! Whether you're looking to offset your mortgage, create a multi-generational living setup, or make a smart investment, this home checks all the boxes. The main house offers a bright, open layout with vaulted ceilings in the living and dining rooms, creating an airy, welcoming feel. The heart of the home is the newly updated eat-in kitchen. Main home highlights include: 3 spacious bedrooms & 3 full bathrooms Primary suite with fully updated en-suite bath Hardwood floors throughout Gas cooking & dryer Massive finished basement with a full bath, outside entrance, and tons of flexible space Newer roof and in-ground sprinklers The legal accessory apartment features its own private entrance, full kitchen, living room, bedroom, full bath, and a lovely porch — perfect for additional income, in-laws, or guests. This is more than just a home — it’s a lifestyle upgrade and a smart investment all in one. Come see all that 431 Townline Road has to offer before it's gone!