27 Mill Plain Road, Unit 4 is a 2,397 SF office condominium for sale in Danbury, Connecticut, positioned for an owner-user seeking control of their real estate costs in an established west-side business corridor. The property is located along Mill Plain Road with convenient access to I-84, the New York border, and surrounding commercial, office, retail, and service businesses. The unit is vacant and available for immediate occupancy. The existing office buildout includes 5 large private offices, an open work area, kitchenette, 1 half bath, and a third-floor conference/training room with heat pump. The layout supports a range of professional office uses, including business services, financial services, insurance, real estate, consulting, administrative operations, education/training, or similar users subject to zoning and buyer due diligence. Ownership costs are straightforward. The monthly HOA fee is $492 and includes water, sewer, exterior maintenance, roof, landscaping, snow removal, trash, and master insurance. The only additional operating expenses are electricity and property taxes. The unit has separate metered electric, on-demand hot water, and existing office furniture that can be included. Parking is common, with spaces located at the front, rear, and side of the building. Pylon signage is available, with installation at the owner’s expense. There are no known pending projects or special assessments, and parking/drainage improvements were completed around 2020. This is a sale-only offering for a business owner, professional practice, or investor seeking a flexible Danbury office condo in the Mill Plain Road market.