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Flex Building with Warehouse Space
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521 E 3rd St, Mount Vernon, NY 10553

Two-tenant property combines warehouse, office, and converted lab areas with gated on-site parking and substantial electrical capacity.

Property Size22,032 SF
Lot Size0.48 Acres
Days on Market143

Property Features for 521 E 3rd St

General Information

Standard status Active
Size 22,032 SF
Lot size 0.48 Acres
Property subtype Industrial
Occupancy 100%

Warehouse & Industrial

Clear Height 22 ft
Warehouse Space 11,000 SF
Office Build-Out 3,832 SF
Power 1,200 amps

Amenities

freight elevator
gated parking

Building Details

Buildings 1
Building Size 22,032 SF
Tenancy Multi
Listing Agency: Greiner-Maltz Company of New York, Inc.
Listed By: Eitan Agbashoff · License #NY
Source: Crexi
Added: Apr 11 Changed: Aug 30 Last Checked: Aug 30 at 2:19PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Greiner-Maltz Company of New York, Inc.

Investment Insights

Based on property information with market context.

This multi-level flex property contains a ~22,032 SF building on a 21,000 SF lot. The warehouse component includes a 7,500 SF upper-level area with a roll-up door, curb cut, and 22’ ceiling, along with a 3,500 SF lower-level warehouse equipped with one roll-up door and one bay. Additional improvements include approximately 3,832 SF of Class-A office space with multiple private offices and a large conference room, plus approximately 7,200 SF of converted lab space.

The building is fully leased to two tenants and includes gated on-site parking. A freight elevator supports movement between levels, while the property’s 1,200 AMP electrical service accommodates substantial power requirements. Located at 521 E 3rd St in Mount Vernon, NY, the property offers a combination of industrial, office, and lab-oriented improvements within one building.

Key Highlights

  • ~22,032 SF building situated on a 21,000 SF lot
  • 7,500 SF upper‑level warehouse with 22’ ceiling, roll‑up door, and curb cut
  • 3,500 SF lower‑level warehouse with one roll‑up door and one bay

Property Analytics

Current Use

Key Digital Systems Electronics & Wireless Store

Suggested Use

Top Pick Law Firm Real Estate Agency Acupuncture Computer & Electronic Repair Parking Lot & Garage (Bike/Boat/Book/etc) Store

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

22 ft
Clear height
100%
Occupancy
Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

1,296
Businesses Nearby
Under-served
Demand for This Use

Demographics for 10553, NY

11,281
Population
3,801
Households
3
Avg Household Size
38
Median Age
43%
College-Educated
82%
High-School Grad
0.7 sq mi
ZIP Area
16,116
Density / Sq Mi
$84,173
Median Household Income
$52,668
Median Earnings
$1,771
Median Rent
$490,000
Median Home Value

Market

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Flex space - Two-tenant property combines warehouse, office, and converted lab areas with gated on-site parking and substantial electrical capacity.
Where is this flex space located?
The property is located at 521 E 3rd St Mount Vernon, NY.
What are key features of this property?
This property features: ~22,032 SF building situated on a 21,000 SF lot; 7,500 SF upper‑level warehouse with 22’ ceiling, roll‑up door, and curb cut; 3,500 SF lower‑level warehouse with one roll‑up door and one bay
More about this property
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