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321 Union AvenueRiverhead, NY 11901

Single Family · 7 Beds · 4 Full Baths · 1 Half Bath · 2,700 Sq. ft. | 0.12 Acres
$899,000 Active

321 Union Avenue Overview

Time on Site:
42 days

Welcome to this beautifully built brand new construction home featuring 7 bedrooms, 4 full bathrooms, and 1 half bath with room for everyone. Designed with comfort and functionality in mind, the home boasts soaring 10-foot finished basement ceilings, 9-foot ceilings throughout the first and second floors, and spacious open living areas perfect for entertaining. The separate outside entrance to the basement provides added flexibility for extended family or guest accommodations. Outside, enjoy a professionally designed premium landscaping package and full irrigation system. Ideally situated just a short 5-minute walk to the revitalized Main Street in Riverhead, filled with restaurants, shopping, and entertainment. Surrounded by exciting new development being built nearby by a prominent local developer, adding tremendous future value to the neighborhood.

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321 Union Avenue Facts & Features

  • Type Single Family
  • Sq. ft. 2,700
  • Price/Sq.ft. $333
  • Lot 0.12 Acres

Details

General

Association/HOA

  • Association: No

School Information

  • School District: Riverhead
  • Elementary School: Contact Agent
  • Middle Or Junior School: Riverhead Middle School
  • High School: Riverhead Senior High School

Building Information

  • Year Built: 2026

Location/Region

  • County Or Parish: Suffolk County
  • Postal City: Riverhead

Rent/Lease Information

  • Lease Considered: No

Tax Information

  • Tax Annual Amount: 4934
  • Tax Assessed Value: 11200
  • Tax Year: 2025

General Information

  • Parcel Number: 0600-127-00-01-00-041-000
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: None

Interior

Parking Information

  • Garage: No

Beds/Baths

  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total: 5
  • Bedrooms Total: 7

Building Interior

  • Building Area Units: Square Feet

General Information

  • Appliances: Stainless Steel Appliance(s)
  • Cooling: Central Air
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Wood
  • Heating: Electric
  • Interior Features: First Floor Full Bath
  • Living Area: 2700
  • Living Area Source: Other
  • Rooms Total: 11

Exterior

Parking Information

  • Parking Features: Driveway

Lot Information

  • Lot Features: Sprinklers In Front,Sprinklers In Rear
  • Lot Size Acres: 0.12
  • Lot Size Square Feet: 5227
  • Water Source: Public

Waterfront/View

  • Waterfront: No

Building Exterior/Construction

  • Architectural Style: Colonial
  • Construction Materials: Frame
  • Patio And Porch Features: Patio
  • Property Attached: No

General Information

  • Carport: No
  • Pool Private: No
  • Sewer: Public Sewer
  • Utilities: Electricity Connected

321 Union Avenue Monthly Cost

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

321 Union Avenue Market Data

Based on the last 30 days in this zip code

$678,094
Average List Price
$419
Average Price per Square Foot
17
Properties Sold
87
Average Days on Market
134
Properties for Sale
Calculations provided by Reliance Network

321 Union Avenue History

Date Event Value Agent
5/18/2026Source: OneKey MLS Added to Database
May 18, 2026
Listing provided courtesy of World Prop Intl Sea to SkyMatthew Hart- MLS# 1001523MLS ProviderContact Information: 631-961-4626