Mastic, NY Office properties & Spaces for sale

Versatile Property with Approvals Secured

$950,000

5,086 SF

Versatile Property with Approvals Secured

21 Old Montauk Highway, Mastic, NY 11950

Adaptable property suitable for various uses with existing approvals.

Zoned J‑6 Business: Suitable for diverse uses.
Valuable approvals secured for medical use from Suffolk County Department of Health and Town of Brookhaven Planning Department.
Flexible Second Floor: Adaptable as office space or convertible into apartments.
Prime Location: Excellent visibility and accessibility.
Move‑In or Develop: Ready for immediate use or customization.

Updated: Nov 21, 2025

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Explore Opportunities in Nearby Cities

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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.

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Commercial Land in Mastic, NY

Commercial land near shopping center and residential neighborhoods.

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Commercial Land Near Montauk Highway

Prime commercial lot near shopping, zoned J6, approved for building.

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Commercial Land Near Montauk Highway

Vacant commercial lot near Montauk Hwy, Shirley, NY.

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Explore Off-Market Properties in Mastic, NY

Consider similar Off-Market properties in Mastic, NY. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

1425 Montauk Hwy

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Value Estimation by Request

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1360 Montauk Hwy

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Row Rd

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Mastic, NY Office Properties & Spaces Investment Opportunities Market Analysis

Explore 8 office properties & spaces for sale in Mastic, NY on our real estate platform. These investment opportunities span a total of 11,002,820 square feet of properties for sale, with an estimated market value of $950,000.

Sale prices for office spaces in Mastic, NY start at $0.00, averaging $118,750, and reaching up to $950,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Mastic, NY Office Properties & Spaces for Sale

Versatile Property with Approvals Secured

Adaptable property suitable for various uses with existing approvals.