Completely renovated in 2017, this professional office building is located in Riverhead’s historic, walkable district near Main Street. The energy-efficient property features sound-proofed private offices, a flexible layout, and modern building systems, ideal for a wide range of professional, medical, and administrative uses as well as owner-users or investors.
The building includes 12 private offices across two floors with multiple waiting areas, a conference room, kitchen facilities, and ADA-compliant restrooms. There is also a free standing office in the rear of the property. Office suites range from approximately 120–190 square feet and are pre-wired for CAT-5 and Wi-Fi with electronic key-lock access throughout.
Upgrades include a 200-amp electrical system, new plumbing, solar panels, a high-efficiency boiler, insulated interior walls, and access to a standing insulated walk-up attic of approximately 650 square feet. The first floor is fully handicap accessible, while the second floor provides abundant natural light and a private entrance.
Ample parking surrounds the property. The property provides a calm, contemporary professional setting suitable for medical practices, wellness providers, legal or consulting offices, creative studios, or other professional and service-oriented uses seeking a primary location or satellite office.
21 E Second Street, Riverhead, NY 11901, is a 0.22 acres, 9583 sqft. Office built in 1927.
This property is currently available for sale and was listed on OneKey® MLS on 3-21-2026.
The MLS# for this Office is MLS# 974744.
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