478 Marcy Avenue, Riverhead, NY 11901

478 Marcy Avenue, Riverhead, NY 11901

$789,000 · 4 bed · 3 bath · 1,850 sq ft · built 1893 · MLS# 1028749 · Active

Exceptional opportunity to own a well-maintained income producing duplex or whether you are searching for a primary residence with supplemental rental income or a solid investment property to add to your portfolio. This is a legal duplex with rental permits and CO's in place, located in the heart of the East End wine country. Close to Tanger Outlets, schools, multiple golf course's, main street shopping and the Long Island Railroad. Separate driveways and yards for each unit. Out of respect for the tenants 24-48 hour advance notice is required to…

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Based on information submitted to the MLS GRID as of October 11, 2026 4:30 am. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

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Riverhead Market Trend

Over the past 2 years, Riverhead has cooled from a peak near $635K around September 2024 to about $525K, with homes taking longer to sell. If this trend continues, conditions could keep easing toward a more balanced market.

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Looking for off-market opportunities or a property attorney's read on this listing? Contact Joseph DeVito — Lic. R.E. Associate Broker + NY-licensed real estate attorney.