Office
229 Railroad Avenue
Active · Islip · Suffolk County, NY 11782
- Year built
- 1991
- Est. monthly taxes
- $2,379.75
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About this home
229 Railroad Avenue, Sayville, NY Fully Rented Medical Office Investment | 4,697 SF | 0.49 Acres For the first time ever, 229 Railroad Avenue is being offered for purchase — a rare opportunity to acquire a fully rented, medical-grade commercial building in the heart of Sayville. This impeccably maintained asset provides immediate, stable income and represents a premier investment in one of Long Island’s most desirable downtown corridors. Situated on 0.49 acres, the 4,697-square-foot, single-level building is professionally designed and currently configured with five private medical/professional suites, each with its own reception area, operator rooms, and private bathrooms. All suites are connected by a shared central hallway, allowing independent operation while maintaining efficient building flow. The property offers approximately 25 on-site parking spaces, a highly valuable amenity for medical and professional tenants, and is conveniently located within walking distance of both the Sayville Train Station and Main Street. Property Highlights - Fully rented investment property with immediate cash flow - 4,697 SF medical/professional office building - Situated on 0.49 acres - Five private suites with reception areas, operator rooms, and bathrooms - Approximately 25 dedicated parking spots - Medical-grade infrastructure throughout - Flexible layout suitable for medical, healthcare, or professional office use - Walking distance to Sayville Train Station and downtown amenities - First-time offering This exceptionally maintained building combines strong in-place tenancy, ample parking, specialized medical buildout, and a prime Sayville location. Opportunities to acquire a medical office investment of this caliber are exceedingly rare. Financials, rent roll, and pricing available upon request. Schedule your private tour today.
Listing snapshot
- Days on site
- 15 days
- Listed on MLS
- Oct 13, 2026
- Annual property tax (MLS)
- $28,557
- Tax year
- 2025
- Listing brokerage
- Douglas Elliman Real Estate
- MLS ID
- KEY1050283
- Last updated
- Oct 24, 2026
General features
- Property type
- Office
- Year built
- 1991
- Total parking
- 25
- Water source
- Public
- Sewer
- Cesspool
- Utilities
- Electricity Connected, Natural Gas Connected
Interior features
- Heating
- Ducts
- Cooling
- Central Air
Exterior features
- Construction materials
- Frame
Schools (MLS)
- Elementary school district
- Sayville
- Middle school district
- Sayville
- High school district
- Sayville
School information is provided by the MLS. Confirm attendance eligibility with the school district.
Recent activity
- Listing updated from MLS
- First seen on this site
- MLS status changed
Location
Listing data is supplied by the MLS and may change without notice.
