229 Railroad Avenue
Sayville, NY, 11782 $ 1,750,000
Bedrooms-- Baths-- Sq 4,750 Monthly Estimate*
$ 12,087
for $1,750,000. This 4,750 square foot building was built in 1991 on a lot size of 0.49.
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.
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FeaturesGeneralSewer Cesspool
Heating Ducts
Cooling Central Air
Utilities Electricity Connected Natural Gas Connected
Zoning BUS1
Construction Materials Frame
Year Built 1991
Property Subtype Office
Tax Year 2025
Parcel Number 0500-356-00-06-00-021-000
Business Type Medical
County Suffolk County
Property Type Commercial Sale
Directions Turn north off of Main Street onto Railroad Ave. Use GPS 229 Railroad Ave Sayville New York 11782
City Islip
High School District Sayville
Number Of Units Total 5
Property Attached Y/N N
Tax Annual Amount 28557
Property Condition Actual
Additional Parcels Y/N N
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Sayville
Elementary School District Sayville
Tax Assessed Value 60000
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ExteriorWater Source Public
Total Parking 25
Parking Spaces 25
Building Area Total 4750
Waterfront Y/N N
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InteriorTotal Stories 1
Basement (Y/N) N
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* Excluded FeaturesList ByJacqueline Nett E-PRO PSAListing Agent
Douglas Elliman Real EstateBroker
Affordability Calculator
- Monthly Principal & Interest
- $12,087
- Monthly Property Taxes
- $2,380
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbyCommerical listings in Sayville, NY
Average List Price $939,000
Percent of Sale Price 46%
About Sayville, NY 16,279 Population
3% Since 2002
$ 106,347 Median Income
45.89 Median Age
33% Households with Children
Trends Information provided by ATTOM Data Solutions.
5408051 Elementary School
5408049 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 10/14/2026 | $1,750,000 | | Listed Price |