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Riverhead, NY

Office

Riverhead, NY Office Spaces for Lease

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Calverton, NY West Hampton Beach, NY Eastport, NY Southampton, NY Jamesport, NY East Quogue, NY Quogue, NY Center Moriches, NY

11 properties

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Office Units with Private Offices

Updated: Sep 2

Office Units with Private Offices

225 Howell Avenue, Riverhead, NY 11901

$10,000/Mo

0.61 AC lot

5,000‑square‑foot office building with eight private offices
Open central workspace currently arranged with cubicles
Large conference room for meetings, presentations, and collaboration
Full kitchen with cooktop, microwave, and refrigerator
Twenty plus on‑site parking spots

Office Suite with Three Private Offices

Updated: Aug 14

Office Suite with Three Private Offices

Riverhead, NY 11901

$2,500/Mo

480‑square‑foot furnished office suite
Three private offices and a waiting room
Corner suite in an elevator building
On Main Street in downtown Riverhead
Electricity, heat, and cooling included

Renovated Office Unit

Renovated Office Unit

189 Main- Suite A Road, Riverhead, NY 11901

$4,700/Mo

2.52 AC lot

Fully built-out space offers private offices, workstations, natural light, and customer and employee parking.

Office Building with Private Offices

Office Building with Private Offices

225 Howell Ave, Riverhead, NY 11901

$10,000/Mo

5,000 sqft

Flexible office layout includes private rooms, open work areas, conference space, and a full kitchen.

Mixed-Use Building with Divisible Space

Mixed-Use Building with Divisible Space

3225 Sound Ave, Riverhead, NY 11901

$5,000/Mo

2,960 sqft 1.75 AC lot

One-story commercial property with two bathrooms and a flexible layout for retail, office, or professional use.

Storefront Office Unit

Storefront Office Unit

34b-40 Peconic Ave, Riverhead, NY 11901

$1,700/Mo

200 sqft

Professional workspace includes shared conference, training, and kitchen facilities.

Furnished Coworking Space

Furnished Coworking Space

30 W Main St Unit 207, Riverhead, NY 11901

$750/Mo per office

Renovated shared workspace with furnished offices, meeting areas, private amenities, and included building services.

Two-Suite Medical Office Building

Two-Suite Medical Office Building

1190 Old Country Road, Riverhead, NY 11901

Contact for pricing

3,446 sqft 0.36 AC lot

The building contains two medical suites with the option to combine them.

Historic Office Building with Attic

Historic Office Building with Attic

1586 Main Rd, Riverhead, NY 11901

$3,000/Mo

Multi-level layout includes offices, a kitchen, bathrooms, storage, an attic, and a basement.

Furnished Offices and Shared Workstations

Furnished Offices and Shared Workstations

30 W Main St 207, Riverhead, NY 11901

$750/Mo per office

Furnished offices and workstations in downtown Riverhead with included utilities.

Fully Renovated Office Suite

Fully Renovated Office Suite

A-189 Main Rd, Riverhead, NY 11901

$4,700/Mo

Fully renovated office suite with central air, gas heat, private offices, and two private bathrooms.

Based on your search, we've compiled 31 Potential Opportunities for your consideration. Besides 11 Active listings in Riverhead, NY, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 13 Properties for Sales.

Office Spaces for Lease in Nearby Cities

Here are 4 Similar Spaces we found in Nearby Locations for your consideration.

East Quogue Commercial Office Space

East Quogue Commercial Office Space

472 Montauk Highway, East Quogue, NY 11942

$1,850/Mo

800 sqft

Premium office spaces in East Quogue, convenient to Hamptons.

Second-Floor Office Units

Second-Floor Office Units

472 Montauk Highway, East Quogue, NY 11942

$1,850/Mo

Two flexible offices offer natural light and can be leased separately or together.

Historic Multi-Room Office Building

Historic Multi-Room Office Building

1586 Main Road, Jamesport, NY 11947

$3,000/Mo

RC-zoned space offers rooms across two floors, along with a kitchen, bathrooms, attic, and basement.

Historic Office Building

Historic Office Building

1586 Main Road, Jamesport, NY 11947

$3,000/Mo

Well-maintained historic office building offering two floors with multiple rooms, plus kitchen and bathroom facilities.

Similar Spaces for Sale in Riverhead, NY

Consider Similar Space for Sale. We found 13 Spaces matching your search parameters.

Office Building with Private Offices

Office Building with Private Offices

225 Howell Ave, Riverhead, NY 11901

$1,400,000

5,000 sqft

DC-3 zoning accompanies a move-in-ready layout for professional and administrative operations.

Renovated Two-Unit Medical Office Building

Renovated Two-Unit Medical Office Building

1190 Old Country Rd, Riverhead, NY 11901

$1,425,000

3,446 sqft

Renovated two-unit medical office building with strong income potential and 100% occupancy.

Renovated Mixed-Use Property with Apartment

Renovated Mixed-Use Property with Apartment

1228 Roanoke Avenue, Riverhead, NY 11901

$725,000

0.21 AC lot

Professional Business zoning supports office use with a renovated one-bedroom apartment and separate access.

Office Building with Private Offices

Office Building with Private Offices

225 Howell Avenue, Riverhead, NY 11901

$1,400,000

0.61 AC lot

Flexible professional workspace combines enclosed offices, collaborative areas, a conference room, kitchen, and on-site parking.

Medical Office Building with Parking

Medical Office Building with Parking

976 Roanoke Avenue, Riverhead, NY 11901

$699,007

0.22 AC lot

Flexible professional layout includes treatment rooms, private offices, two bathrooms, and central air conditioning.

Mixed-Use Building with Retail

Mixed-Use Building with Retail

71 E MAIN ST, Riverhead, NY 11901

Contact for pricing

14,990 sqft 0.21 AC lot

Ground-floor retail is combined with second-floor office space that may support residential conversion.

NNN Office Investment Property

NNN Office Investment Property

33 W 2nd St, Riverhead, NY 11901

$6,495,000

26,235 sqft

Single-tenant office asset with a new long-term NNN lease and elevator access.

Renovated Live-Work Building

Renovated Live-Work Building

1228 Roanoke Ave, Riverhead, NY 11901

$725,000

Professional Business zoning supports office use with a separate residential apartment above.

Subdividable Commercial Land For Sale

Subdividable Commercial Land For Sale

845 Raynor Ave, Riverhead, NY 11901

Contact for pricing

10,000 sqft 8.00 AC lot

8 acres of subdividable commercial land in Riverhead, NY.

Renovated Mixed-Use Property with Loft

Renovated Mixed-Use Property with Loft

1550 Main Road, Riverhead, NY 11901

$825,000

0.12 AC lot

Renovated storefront and residence with private parking, unfinished loft space, and flexible live-work potential.

Fully Leased Office Complex

Fully Leased Office Complex

518-526 E Main St, Riverhead, NY 11901

$5,250,000

Three-building property with professional suites and on-site parking near downtown attractions.

7-Unit Office Complex

7-Unit Office Complex

526 E Main Street Unit #518, Riverhead, NY 11901

$5,250,000

Fully leased office complex with three buildings, convenient downtown access, and 95 parking spaces.

Historic Mixed-Use Building

Historic Mixed-Use Building

218 Griffing Avenue, Riverhead, NY 11901

$625,000

0.21 AC lot

Two-level property with office and residential use history, rear parking, detached garage, and public water and sewer.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Commercial Land Development Site

Commercial Land Development Site

1467 Montauk Highway, Mastic, NY 11967

$2,500/Mo

0.55 AC lot

Vacant commercial parcel with public water and capacity for a new building.

Prime Land for Ground Lease

Prime Land for Ground Lease

550 William Floyd Parkway, Shirley, NY 11967

$10,000/Mo

0.46 AC lot

20,245 sq ft land in high-traffic retail corridor.

Fenced Commercial Land

Fenced Commercial Land

586 Montauk Highway, Shirley, NY 11967

$1,000/Mo

0.18 AC lot

Fenced vacant parcel beside a grocery and deli with cable availability and private water.

Riverhead, NY Office Spaces Lease Rates & Market Statistics

Explore 11 Office Spaces for lease in Riverhead, NY on Realmo, a commercial real estate exchange covering the Riverhead area. The current inventory totals 11,606 square feet of properties — an average of ~1,050 SF per listing.

Office Spaces lease rates in Riverhead range from $20.27 SF/Yr at the entry level to $102 SF/Yr at the top of the market, averaging $48.76 SF/Yr. That's a 5x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. The local average of $48.76 SF/Yr is 57% above the New York state average of $31 SF/Yr.

Riverhead accounts for 3% of the 390 office spaces currently available across Suffolk County, where nearby markets include Huntington and Melville. By space type, the market includes 7 office units and 3 office buildings — office buildings typically offer the lowest entry point, while office units command the highest rates.

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