Share This Listing

Message

960 characters remaining

Hmm, there seems to have been an error sending your message. Please try again.

Your email has been sent.

Still interested?

Contact the brokers for more information about this property

Highlights

  • Major renovations underway, including façade enhancements, upgraded parking, modern signage, and improved lighting.
  • Close to key Long Island business centers, offering convenient access for clients and teams alike.
  • Exceptional visibility from the Long Island Expressway with immediate access to major regional highways.

Features

Clear Height
12’
Drive In Bays
3
Standard Parking Spaces
90

All Available Spaces(4)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, Ste 1
  • 4,514-32,184 SF
  • 5-10 Years
  • $24.00 /SF/YR $2.00 /SF/MO $772,416 /YR $64,368 /MO
  • Office/Medical
  • Shell Space
  • 30 Days

Major capital improvements underway including: Façade, Parking Lot, Lighting, Suite Entrances, Monument & Directional Signage, Loading and more. Long Island’s most strategically located Technology Center. Ideal for office, medical, lab, R&D, showroom, or flex combinations. Immediate access to the LIE and the Northern State Parkway. Property visible from the Long Island Expressway, traveled by over 175,000 vehicles per day. 4 curb cut entry points surrounding the property. Power: 2,500 amps, 3-phase, 208 volts, distributed throughout.

  • Lease rate does not include certain property expenses
  • Space is in Excellent Condition
  • Dedicated suite entrances and private bathrooms
  • Various loading options accommodated
  • Can accommodate access for large tractor-trailers
  • Mostly Open Floor Plan Layout
  • 77,133 SF building situated on a 5 acre lot
  • Separately metered utilities
  • Ceiling height: 12’ to steel 13’08” to deck
  • 1st Floor, Ste 2
  • 3,211-20,306 SF
  • 5-10 Years
  • $24.00 /SF/YR $2.00 /SF/MO $487,344 /YR $40,612 /MO
  • Office/Medical
  • Shell Space
  • 90 Days

Major capital improvements underway including: Façade, Parking Lot, Lighting, Suite Entrances, Monument & Directional Signage, Loading and more. Long Island’s most strategically located Technology Center. Ideal for office, medical, lab, R&D, showroom, or flex combinations. Immediate access to the LIE and the Northern State Parkway. Property visible from the Long Island Expressway, traveled by over 175,000 vehicles per day. 4 curb cut entry points surrounding the property. Power: 2,500 amps, 3-phase, 208 volts, distributed throughout.

  • Lease rate does not include certain property expenses
  • Space is in Excellent Condition
  • Dedicated suite entrances and private bathrooms
  • Various loading options accommodated
  • Can accommodate access for large tractor-trailers
  • Mostly Open Floor Plan Layout
  • 77,133 SF building situated on a 5 acre lot
  • Separately metered utilities
  • Ceiling height: 12’ to steel 13’08” to deck
  • 1st Floor - 50
  • 5,656 SF
  • 7 Years
  • $24.00 /SF/YR $2.00 /SF/MO $135,744 /YR $11,312 /MO
  • Flex
  • -
  • Now
  • Lease rate does not include certain property expenses
  • Space is in Excellent Condition
  • Includes 2,900 SF of dedicated office space
  • 1 Drive Bay
  • 1st Floor - 80
  • 3,032 SF
  • 7 Years
  • $24.00 /SF/YR $2.00 /SF/MO $72,768 /YR $6,064 /MO
  • Flex
  • Shell Space
  • Now
  • Lease rate does not include certain property expenses
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, Ste 1 4,514-32,184 SF 5-10 Years $24.00 /SF/YR $2.00 /SF/MO $772,416 /YR $64,368 /MO Office/Medical Shell Space 30 Days
1st Floor, Ste 2 3,211-20,306 SF 5-10 Years $24.00 /SF/YR $2.00 /SF/MO $487,344 /YR $40,612 /MO Office/Medical Shell Space 90 Days
1st Floor - 50 5,656 SF 7 Years $24.00 /SF/YR $2.00 /SF/MO $135,744 /YR $11,312 /MO Flex - Now
1st Floor - 80 3,032 SF 7 Years $24.00 /SF/YR $2.00 /SF/MO $72,768 /YR $6,064 /MO Flex Shell Space Now

1st Floor, Ste 1

Size
4,514-32,184 SF
Term
5-10 Years
Rental Rate
$24.00 /SF/YR $2.00 /SF/MO $772,416 /YR $64,368 /MO
Space Use
Office/Medical
Build-Out
Shell Space
Available
30 Days

1st Floor, Ste 2

Size
3,211-20,306 SF
Term
5-10 Years
Rental Rate
$24.00 /SF/YR $2.00 /SF/MO $487,344 /YR $40,612 /MO
Space Use
Office/Medical
Build-Out
Shell Space
Available
90 Days

1st Floor - 50

Size
5,656 SF
Term
7 Years
Rental Rate
$24.00 /SF/YR $2.00 /SF/MO $135,744 /YR $11,312 /MO
Space Use
Flex
Build-Out
-
Available
Now

1st Floor - 80

Size
3,032 SF
Term
7 Years
Rental Rate
$24.00 /SF/YR $2.00 /SF/MO $72,768 /YR $6,064 /MO
Space Use
Flex
Build-Out
Shell Space
Available
Now

1st Floor, Ste 1

Size 4,514-32,184 SF
Term 5-10 Years
Rental Rate $24.00 /SF/YR
Space Use Office/Medical
Build-Out Shell Space
Available 30 Days

Major capital improvements underway including: Façade, Parking Lot, Lighting, Suite Entrances, Monument & Directional Signage, Loading and more. Long Island’s most strategically located Technology Center. Ideal for office, medical, lab, R&D, showroom, or flex combinations. Immediate access to the LIE and the Northern State Parkway. Property visible from the Long Island Expressway, traveled by over 175,000 vehicles per day. 4 curb cut entry points surrounding the property. Power: 2,500 amps, 3-phase, 208 volts, distributed throughout.

  • Lease rate does not include certain property expenses
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 77,133 SF building situated on a 5 acre lot
  • Dedicated suite entrances and private bathrooms
  • Separately metered utilities
  • Various loading options accommodated
  • Ceiling height: 12’ to steel 13’08” to deck
  • Can accommodate access for large tractor-trailers

1st Floor, Ste 2

Size 3,211-20,306 SF
Term 5-10 Years
Rental Rate $24.00 /SF/YR
Space Use Office/Medical
Build-Out Shell Space
Available 90 Days

Major capital improvements underway including: Façade, Parking Lot, Lighting, Suite Entrances, Monument & Directional Signage, Loading and more. Long Island’s most strategically located Technology Center. Ideal for office, medical, lab, R&D, showroom, or flex combinations. Immediate access to the LIE and the Northern State Parkway. Property visible from the Long Island Expressway, traveled by over 175,000 vehicles per day. 4 curb cut entry points surrounding the property. Power: 2,500 amps, 3-phase, 208 volts, distributed throughout.

  • Lease rate does not include certain property expenses
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 77,133 SF building situated on a 5 acre lot
  • Dedicated suite entrances and private bathrooms
  • Separately metered utilities
  • Various loading options accommodated
  • Ceiling height: 12’ to steel 13’08” to deck
  • Can accommodate access for large tractor-trailers

1st Floor - 50

Size 5,656 SF
Term 7 Years
Rental Rate $24.00 /SF/YR
Space Use Flex
Build-Out -
Available Now

  • Lease rate does not include certain property expenses
  • Includes 2,900 SF of dedicated office space
  • Space is in Excellent Condition
  • 1 Drive Bay

1st Floor - 80

Size 3,032 SF
Term 7 Years
Rental Rate $24.00 /SF/YR
Space Use Flex
Build-Out Shell Space
Available Now

  • Lease rate does not include certain property expenses

Property Overview

303 Sunnyside Boulevard offers a highly adaptable office and medical environment set within Long Island’s prominent business corridor. This single-story property spans approximately 78,000 square feet and is designed for a wide range of uses, including corporate offices, medical suites, labs, R&D, and showroom space. Major capital upgrades are underway, featuring enhanced building façade, new parking lot, upgraded lighting, modern signage, and improved suite entrances, delivering a refreshed and contemporary work environment. Positioned for convenience, the property boasts immediate access to the Long Island Expressway and Northern State Parkway, ensuring outstanding regional connectivity. With visibility from the heavily trafficked Long Island Expressway, this location presents strong branding opportunities. Flexible configurations accommodate businesses of various sizes, while infrastructure features include 12-foot clear height, three drive-in bays, and 2,500 amps of 3-phase power distributed throughout. Abundant on-site parking and four curb-cut entry points add ease of access for employees and visitors, while proximity to vibrant commercial hubs reinforces operational advantages for diverse tenants.

Property Facts

Building Size
78,000 SF
Lot Size
2.20 AC
Year Built
1960
Construction
Masonry
Water
City
Sewer
City
Zoning
C - Commercial

Select Tenants

  • Floor
  • Tenant Name
  • Industry
  • 1st
  • Anixter
  • Wholesaler
  • 1st
  • Coastal Cabinet
  • Manufacturing
  • 1st
  • Integrated Brokerage Services
  • Finance and Insurance
  • 1st
  • Long Island Academy
  • Educational Services
  • 1st
  • ProSource
  • Wholesaler
Fairly walkable
40/100
Exceptionally drivable
100/100
Fairly bikeable
50/100
  • Listing ID: 34662717

  • Date on Market: 4/6/2026

  • Last Updated:

  • Address: 303 Sunnyside Blvd, Plainview, NY 11803

Your message has been sent.
Link copied
Your LoopNet account has been created!

Please Share Your Feedback

We welcome any feedback on how we can improve LoopNet to better serve your needs.
X
{{ getErrorText(feedbackForm.starRating, "rating") }}
255 character limit ({{ remainingChars() }} charactercharacters remainingover)
{{ getErrorText(feedbackForm.msg, "rating") }}
{{ getErrorText(feedbackForm.fname, "first name") }}
{{ getErrorText(feedbackForm.lname, "last name") }}
{{ getErrorText(feedbackForm.phone, "phone number") }}
{{ getErrorText(feedbackForm.phonex, "phone extension") }}
{{ getErrorText(feedbackForm.email, "email address") }}