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400 Townline Rd
Hauppauge, NY 11788

$38.00 USD/SF/YR

Office For Lease  •  1,500+ SF

Property Details

  • Property Type Office
  • Year Built 1985
  • Total Building Size 23,000 SF
  • Tenancy Multiple
  • Building Class A
  • Zoning BU1
30 Transit Score
50 Walk Score

2 Spaces Available

Name Space Use Size Rent Details
1st Floor Ste Medical 1,500 SF $38.00 USD/SF/YR 
Landlord will provide vanilla box.

  • Date available: Sep 2026
  • Lease term: Negotiable
  • Service type: Plus All Utilities
  • Space Type: New
  • In Contiguous block: 4,500 SF
1st Floor Ste Medical 1,500-3,000 SF $38.00 USD/SF/YR 
Landlord will provide vanilla box.

  • Date available: Sep 2026
  • Lease term: Negotiable
  • Service type: Plus All Utilities
  • Space Type: New
  • In Contiguous block: 4,500 SF

Description 

LOCATION, LOCATION, LOCATION! Position your practice at 400 Townline Road, ideally situated at the highly visible intersection of Route 347 (Smithtown Bypass) and Route 454 (Veterans Memorial Highway) in Hauppauge. This state-of-the-art, 23,000-square-foot medical office building was renovated in 2025, featuring stunning interior and exterior upgrades throughout. Now available is the final leasing opportunity with 1,500 to 4,500 square feet is to become brand-new vanilla box medical office space, ready to be customized to your needs. Suite 100: 1,500 SF Suite 170: 3,000 SF (subdividable) Contiguous 4,500 SF space Monthly Lease plus CAM and utilities. CAM and Security Deposit are prorated based on the amount of SF leased space. The property also offers a spacious parking lot with 140+ spaces, providing exceptional convenience for both employees and patients. Call/text Gina Coletti at 631.926.5385 for an appointment.

Highlights

Excellent Location! Medical space for lease. Vanilla Box to be built - subdividable.

Property Flyers

Amenities

  • Atrium
  • Property Manager on Site
  • Security System
  • Signage
  • Central Heating
  • Air Conditioning
  • Smoke Detector

Major Tenants

Tenant SF Occupied Lease End Date
Destination Dental Digital Restorative Solutions
Pierri Lynn
Skintuition Medical Spa
Suffolk Ambulatory Surgery

Public Transportation

Commuter RailDriveWalkDistance
Central Islip Station (Ronkonkoma Branch - Long Island Rail Road) 8 min - 3.1 mi
Smithtown Station (Port Jefferson Branch - Long Island Rail Road) 7 min - 3.6 mi
AirportDriveWalkDistance
Long Island MacArthur 13 min - 7.4 mi
John F Kennedy International 57 min - 41.3 mi

Parking Details

Parking Available: Yes
Reserved: No
Spaces Provided: 114
Type: Surface
Included in Rent: Yes
Gina Coletti, Ph.D., CBR 631-926-5385 GC Advisory Group Inc.
Gina Coletti, Ph.D., CBR 631-926-5385 GC Advisory Group Inc.