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New Multi-Specialty Office Building
For Lease
Contact for pricing

421 Boston Post Rd, Portchester, NY 10573

New construction office building with ample parking, designed for multi-specialty use near major retail and hospital clusters.

Space Size21,451 SF
Days on Market292

Property Features for 421 Boston Post Rd

General Information

Standard status Active
Size 21,451 SF
Property subtype OFFICE

Spaces For Lease

at 421 Boston Post Rd Contact us

421 Boston Post Rd

Floor
3
Size
21,451 SF
Type
OFFICE
Rate
Contact for pricing
Availability
AVAILABLE, 90 Days
Sublease
No
- New construction - Multi specialty - Adjacent to premier shopping, dining, and...
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Listing Agency: JLL | Stamford
Listed By: Al Gutierrez · License #40GU0818016
Source: Moodyscre
Added: Nov 10, 2025 Changed: Aug 8 Last Checked: Aug 26 at 6:26AM

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 JLL | Stamford

Investment Insights

Based on property information with market context.

New construction multi-specialty office building offering a fresh, modern layout for professional uses. The offering emphasizes an accelerated timeline to delivery.

The property is located at 421 Boston Post Rd in Port Chester, NY, with convenient access to I-95, I-287, and US 1. It also benefits from proximity to premier shopping and dining, along with nearby leading big box and grocery stores, and is near six major hospitals.

Ample parking supports everyday client and employee access, making the building well-suited for day-to-day operations where convenience matters.

Key Highlights

  • New construction office building designed for multi‑specialty use
  • Ample parking
  • Convenient access to I‑95, I‑287, and US 1

Property Analytics

Current Use

Gateway Shopping Center Shopping Center & Mall Leapin Lizards Arcade & Gaming Center

Suggested Use

Top Pick Real Estate Agency Hotel & Motel (Bike/Boat/Book/etc) Store Nursing Home Acupuncture Storage Facility

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

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

2,366
Businesses Nearby

Demographics for 10573, NY

41,758
Population
14,592
Households
2.9
Avg Household Size
39
Median Age
44%
College-Educated
83%
High-School Grad
5.5 sq mi
ZIP Area
7,592
Density / Sq Mi
$110,612
Median Household Income
$48,263
Median Earnings
$1,940
Median Rent
$649,900
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
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Frequently Asked Questions

What type of property is this?
Office building - New construction office building with ample parking, designed for multi-specialty use near major retail and hospital clusters.
Where is this office building located?
The property is located at 421 Boston Post Rd Portchester, NY.
What are key features of this property?
This property features: New construction office building designed for multi‑specialty use; Ample parking; Convenient access to I‑95, I‑287, and US 1
(203) 399-1387 Call to check price and availability
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